what is the best wavelength to observe a solar prominence or flare as seen on the limb of the sun here?
Answers
The best wavelength to observe a solar prominence or flare IS 656 nm, a red hydrogen emission line (called the "H-α" line).
What is a solar flare?
A solar flare is a brief eruption of solar electromagnetic energy that alters the acceleration and heat of gas in the sun's atmosphere. Solar flares can endure for a short while or for several hours. Solar flares typically occur in the sun's active regions, where several sunspot groupings can be seen.
Sunspots and solar flares differ from one another in that sunspots are darker regions of the sun's surface. Because of the region's high level of magnetic activity, results in colder temperatures. Strong magnetic fields can collide in these regions, where sunspots and solar flares occur, and release a lot of energy.
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Related Questions
250 g of water at 30 degree Celsius is contained in a copper vessel of mass 50 gram calculate the mass of ice required to bring down the temperature of the vessel and its content to 5 degree celsius if Lf= 336000 shc= 400Jkg per and shw=4200JKgK.
Answers
Answer:
here you go hope it helped
Explanation:
Rank the following by their power output, from highest to lowest.1. Boeing 777 jet engine at full throttle (75 Megawatts) 2. Central Pennsylvania gasoline station in problem 1 (38 Megawatts)3. Electrical power production of the country of Togo in West Africa (10 MW)4. Diesel railroad locomotive (3 MW)
Answers
The ranking of the following by their power output, from highest to lowest is as follows:
Boeing 777 jet engine at full throttle (75 MW).Central Pennsylvania gasoline station in problem 1 (38 MW).Electrical power production of the country of Togo in West Africa (10 MW).Diesel railroad locomotive (3 MW).What is Power?In physics, power may be defined as the amount of energy that is considerably transferred or converted per unit of time. In the International System of Units, the unit of power is the watt.
Early locomotives and railcars with internal combustion engines ran on kerosene and gasoline. While internal combustion engines can operate well across a limited range of power, low-power gasoline engines may be coupled to mechanical gears. Therefore, Boeing 777 jet engine operating at full power (75 Megawatts) represents the highest power output.
Therefore, the ranking of the following by their power output, from highest to lowest is well mentioned above.
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republicans tend to favor more control by the federal government, while democrats generally support more control by the people and states
Answers
The statement seems to have a mix-up. To clarify, Republicans typically favor less control by the federal government and more control by the people and states, while Democrats generally support a stronger federal government. Here's a brief explanation of their stances:
1. Republicans: They believe in limited government intervention in individuals' lives and emphasize the importance of states' rights. This often includes supporting policies such as lower taxes, fewer regulations, and decentralized decision-making. Republicans argue that these policies promote economic growth, individual liberties, and greater autonomy for states to address their unique issues.
2. Democrats: They advocate for a more active role of the federal government in regulating various aspects of society, such as healthcare, education, and environmental protection. Democrats argue that a strong central government is necessary to ensure equal opportunities for all citizens and to provide essential services. They believe that certain issues, such as climate change and social justice, require a unified approach and cannot be effectively tackled by individual states alone.
In summary, Republicans generally support more control by the people and states, while Democrats tend to favor a stronger federal government. This distinction reflects their differing views on the most effective way to address societal issues and promote prosperity.
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In the 25 ft Space Simulator facility at NASA's Jet Propulsion Laboratory, a bank of overhead arc lamps can produce light of intensity 2500 W/m² at the floor of the facility (This simulates th intensity of sunlight near the planet Venus:) Part A Find the average radiation pressure (in pascals and in atmospheres) on a totally absorbing section of the floor Enter your answers in pascals and in atmospheres separated by a comma
Answers
The average radiation pressure on a totally absorbing section of the floor in the 25 ft Space Simulator facility at NASA's Jet Propulsion Laboratory is approximately 8.333 x 10^-6 Pascals and 8.232 x 10^-11 atmospheres.
To find the radiation pressure, we need to use the following formula:
Radiation Pressure (P) = Intensity (I) / (Speed of Light (c))
Given the intensity (I) is 2500 W/m², and the speed of light (c) is approximately 3 x 10^8 m/s, we can plug in these values into the formula:
P = 2500 W/m² / (3 x 10^8 m/s) ≈ 8.333 x 10^-6 Pascals
To convert Pascals to atmospheres, we use the conversion factor: 1 atm = 101325 Pa:
8.333 x 10^-6 Pascals * (1 atm / 101325 Pa) ≈ 8.232 x 10^-11 atmospheres
Summary: The average radiation pressure on a totally absorbing section of the floor in the 25 ft Space Simulator facility is approximately 8.333 x 10^-6 Pascals and 8.232 x 10^-11 atmospheres.
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in their most basic sense, waves are . they are generally classified by the disturbing force that causes the wave and the restoring force that returns the water to normal once it has passed. for example, the disturbing force for wind waves is usually and the restoring force is .
Answers
Answer:
The restoring force is Gravity.
Explanation:
In their most basic sense, waves are disturbances that travel through a medium, usually without the permanent displacement of the particles of the medium.
They are generally classified by the disturbing force that causes the wave and the restoring force that returns the water to normal once it has passed.
For example, the disturbing force for wind waves is usually wind and the restoring force is gravity.
Wind provides energy to the water, creating ripples and waves that travel across the surface of the water.
Gravity then acts to restore the surface of the water to its original state, pulling the water back down into the trough of the wave.
As the wave moves through the water, the water itself does not travel with the wave but instead moves in a circular motion, with the circular motion decreasing in size as it moves away from the wave.
This motion of the water is known as an orbital motion, with water particles moving in a circular motion but not traveling with the wave itself.
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what is the value of resistor r in the figure(figure 1) if δv=8v and i=6a?
Answers
The value of the resistor is 24Ω.
A resistor is a passive two-terminal electrical component used in circuits to implement electrical resistance. Resistors have a variety of purposes in electronic circuits, including lowering current flow, adjusting signal levels, dividing voltages, biassing active components, and terminating transmission lines.
We are given that,
Voltage = δv =8v
Current = i =6a
So that , the resistance can be calculated by the formula by,
R = Vi
R = 8v × 6a
R = 24 Ω
Therefore , the of resistor would be 24Ω.
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a phosphorus atom needs to gain ---electrons to achieve a full octet
Answers
Answer:
Three (3).
Explanation:
The octet rule is a rule in chemistry that states that, chemical elements would either gain or loss electrons in their outermost shell in order to attain a stable electronic configuration i.e having eight (8) valence electrons in their outermost shell such as chemical elements found in group 8 (2-8-8) known as noble gas.
A phosphorus atom needs to gain three (3) electrons to achieve a full octet because the atomic number of phosphorus is 15 and as such it has the electronic configuration of 2-8-5 and needs three electron in order to become a stable element.
Hot sand cools off faster at night than do plants and vegetation. hence, the specific heat capacity for sand is _______.
Answers
Hot sand cools off faster at night than plants and vegetation because sand has a lower specific heat capacity.
Specific heat capacity is the amount of heat energy required to raise the temperature of a substance by a certain amount. Sand has a lower specific heat capacity than plants and vegetation because it requires less heat energy to raise its temperature. Therefore, when the temperature drops at night, and loses heat more quickly than plants and vegetation.
The specific heat capacity for sand is lower than that of plants and vegetation, which is why hot sand cools off faster at night.
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a photon having 55 kev scatters from a free electron at rest. what is the maximum energy (in kev) that the electron can obtain?
Answers
The maximum energy that the electron can obtain is approximately 29.2 keV.
What is an electron?An electron is a subatomic particle that has a negative electric charge. Electrons are found outside the atomic nucleus in shells or orbitals and play a crucial role in determining the chemical properties of an element. Electrons are involved in chemical reactions, electrical conductivity, and thermal conductivity. They are also involved in the transfer of electrical energy in electronic devices such as computers, smartphones, and televisions. Electrons have a mass of approximately 9.11 x 10^-31 kg, which is much smaller than the mass of the other subatomic particles, such as protons and neutrons.
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the distance between the sun and moon is 480 light second. convert the distance into meter
Answers
Answer:
1.439 × 10¹¹ m is the answer.
Explanation:
1 light-second = 2.998 × 10⁸m
480 light-seconds = 480 × 2.998 × 10⁸
= 1439.04 × 10⁸
= 1.439 × 10¹¹
∴ 1.439 × 10¹¹ m is the answer.
The distance converted into the meter will be 1.439×10¹¹ m.In one light second, there are 2.998 ×10⁸ m.
What is the distance?Distance is a numerical representation of the distance between two objects or locations.
The distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.
The given data in the problem is;
The distance between the sun and moon is,d= 480 light second
\(\rm d_m\) is the distance in meter
As we know,
\(\rm 1\ light\ second = 2.998 \times 10^8m \\\\ 480\ light\ seconds = 480 \times 2.998 \times 10^8\ m \\\\ d_m= 1439.04 \times 10^8 \\\\ d_m = 1.439 \times 10^{11}\)
Hence the distance converted into the meter will be 1.439×10¹¹ m.
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When you have more than one battery in a circuit you __________ (add, subtract, multiply, divide) the values of the individual batteries to get the overall voltage of the circuit.
Answers
Answer: When you have more than one battery in a circuit, you add the values of the individual batteries to get the overall voltage of the circuit.
Explanation:
An object's momentum is equal to the product of its mass and its velocity.
Momentum is a vector quantity.
Answers
An object's momentum is a measure of its motion, defined as the product of its mass and its velocity. This means that an object with a large mass moving at a high velocity will have greater momentum than an object with a smaller mass moving at a slower velocity.
The momentum of an object is a vector quantity, which means it has both magnitude and direction. The direction of an object's momentum is the same as the direction of its velocity. This means that if an object is moving north, its momentum is also northward. Momentum is an important concept in physics, particularly in the study of collisions and interactions between objects.
In these situations, the total momentum of a system is conserved, meaning that the sum of the momenta of all objects involved remains constant before and after the interaction. This principle is known as the law of conservation of momentum and is crucial for understanding the behavior of objects in motion.
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Which are examples of a Simple machine?
Question 4 options:
Hammer that swings on a nail
Light Switch that flips
Door stop that wedges at the bottom
The wheels on a bike
Answers
Hope this helps
Answer:
the wheels on a bike
Explanation:
do you go to k-12 if you do can you help me please have a good night/day :) ❤
Olivia is on a swing at the playground.
A girl is swinging on a swing set. At W she is about 45 degrees up and to the left. At X she is near the bottom of the swing just to the left. At Y she is near the bottom of the swing just to the right. At Z she is about 45 degrees up and to the right.
If the swing is moving from W to Z, at which point is her kinetic energy increasing and her potential energy decreasing? (based on a starting point of W)
W
X
Y
Z
Mark this and return Save and Exit Next Submit
Answers
Olivia is on a swing at the playground. The kinetic energy is increasing and her potential energy decreasing at point X.
What is kinetic energy and potential energy?The kinetic energy of an object is the ability to do work by virtue of its motion and potential energy is the ability to do work by virtue of its position.
At point W and Z, Olivia is at the maximum displacement from the mean position, where kinetic energy is zero and potential energy is maximum.
At point Y, it is approaching to increase its potential energy and decreasing kinetic energy. Opposite to this, at point X, kinetic energy is increasing and potential energy is decreasing.
Thus, the kinetic energy is increasing and her potential energy decreasing at point X.
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A bicycle wheel has a diameter of 63.2 cm  and a mass of 1.72 kg. Assume that the wheel is a hoop with all of the mass concentrated on the outside radius. The bicycle is placed on a stationary stand and a resistive force of 123 N is applied tangent to the rim of the tire.
(a) What force must be applied by a chain passing over a 8.92 cm diameter sprocket if the wheel is to attain an acceleration of 4.50 rad/s2?
(b) What force is required if the chain shifts to a 5.70 cm diameter sprocket?
Answers
Therefore, the force required is 4.36 N. Therefore, the force required if the chain shifts to a 5.70 cm diameter sprocket is 6.80 N.
(a) The moment of inertia of the wheel about its axis is given by:
I = (1/2)MR²
where M is the mass of the wheel and R is the radius of the wheel. Substituting the given values, we get:
I = (1/2)(1.72 kg)(0.316 m)²
= 0.086 kg m²
The torque on the wheel due to the resistive force is given by:
τ = Fr
where F is the applied force and r is the radius of the sprocket. To find F, we use the rotational analog of Newton's second law:
τ = Iα
where α is the angular acceleration. Substituting the given values, we get:
Fr = (0.086 kg m²)(4.50 rad/s²)
F = (0.086 kg m²)(4.50 rad/s²)/(0.0892 m)
= 4.36 N
Therefore, the force required is 4.36 N.
(b) Using the same equation as in part (a), we get:
F = (0.086 kg m²)(4.50 rad/s²)/(0.057 m) = 6.80 N
Therefore, the force required if the chain shifts to a 5.70 cm diameter sprocket is 6.80 N.
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explain properties and importance of light and how it separates into colours
Answers
Answer:
White light can be separated into different colors using a special lens called a prism. As visible light passes from air into the glass, the change in medium causes a change in direction and speed. Refraction causing the separation of white light into its various color wavelengths is called dispersion.
hope this helps
The Lambda-CDM model contains a cosmological constant, denoted by a lambda (λ) which is associated with dark energy and
.
Answers
Answer:
Dark matter?
Explanation:
Answer:
matter
Explanation:
which statement regarding ohm's law is correct? group of answer choices if resistance is kept constant, potential difference (voltage) changes directly with changes in current when resistance increases in a circuit with a specific potential difference then current must also increase increasing the resistance in a circuit always decreases the potential difference (voltage) across it an electrical conductor's resistance depends on the potential difference (voltage) it experiences
Answers
The correct statement regarding Ohm's law is that if resistance is kept constant, potential difference (voltage) changes directly with changes in current. This means that as the current in a circuit increases, the potential difference (voltage) also increases proportionally, as long as the resistance remains the same.
Ohm's Law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit. To students of electronics, Ohm's Law (E = IR) is as fundamentally important as Einstein's Relativity equation (E = mc²) is to physicists. E = I x R.
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Plzzzz help due in a few
Answers
Answer: 5 = straight, constant
Answer: 6 = unbalanced, velocity
Need help rn!!!
Will give high reward!!
A red blinky car has a speed of 2.0 m/s and a blue blinky car has a speed of 0.8 m/s. If
they were to race on a track 1.5 meters long, up to how many seconds later could you
start the red car so that it would still win? (Or at least tie to win?)
Answers
The time taken by the red blinky car is 0.75sec.
It is possible to define time as the dimension on which any system evolves. Its length can be expressed in terms of milliseconds, seconds, minutes, hours, days, weeks, months, and years.
We are given that,
The speed of red blinky car = v = 2.0m/s
The length of the race track = d = 1.5m
Therefore, the time taken by the car can be calculated by ,
V = d/t
Where, V is the speed of the car , d is the distance cover by the car and t is the time taken by the car.
t = d/v
t = (1.5m)/(2.0m/s)
t = 0.75s
Therefore, the red blinky car would be started in 075sec to win the race.
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Please help as fast you can
Answers
Answer:
d a
Explanation:
If a car traveled 100 km in 2 hr, what was its average speed in km/hr?
average speed =
d =
t =
Answers
Answer:
Average speed will be 50km/hr
Explanation:
Distance/Time
100/2
50kmph
plz mark as brainliest
Answer:
50km/hr
Explanation:
avgspeed=Δdistance/Δtime
Δd=100km
Δt=2hr
=100km/2hr
=50km/hr
A magic school bus travelled along this path. What is the magnitude of the total
displacement of the school bus from the start to the end of its trip? (1 point
answer, 1 point work shown)
Answers
A mass of 0.450 kg rotates at costant speed with a period of 1.45s at a radius R of 0.140 m in the apparatus used in this laboratory. What is the rotation period for a mass of 0.550 kg at the same radius? Show your work. (Extra information that might or might not be important: For the apparatus used in this laboratory, the centripetal force is the same for a fixed radius R of rotation. This wasn't stated in this question but it was in the question before it.)
Answers
Rotation period for a mass of 0.550 kg at the same radius is 1.45 s.
The rotation period of a mass in circular motion is given by:
T = 2πR/v
where T is the period, R is the radius of the circular path, and v is the velocity of the mass.
For the first mass with a mass of 0.45 kg, radius R of 0.140 m, and period T of 1.45 s, we can calculate the velocity as follows:
v = 2πR/T = 2π(0.140 m)/(1.45 s) = 0.6066 m/s
Now, we can use the velocity and radius values to find the period for the second mass with a mass of 0.550 kg:
T = 2πR/v = 2π(0.140 m)/(0.6066 m/s) = 1.45 s
Therefore, the rotation period for a mass of 0.550 kg at the same radius is 1.45 s.
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the silvered wall of a vacuum bottle takes care of heat flow by
Radiation
Convection
Conduction
Conduction and convection
Answers
Types of Bone Tissue
or
There are two types of bone tissue: compact and cancellous
have many
haversian systems that are cylinder-shaped units that run
lengthwise through the bone. They make up about 80% of
the bones in your body.
makes up the other 20 percent of the
human skeleton; this type of bone does not have any
osteons. Instead, there are minute branches
called
that crisscross one another.
• Cancellous bone is found in the
(the
rounded ends of a long bone).
• When a bone is broken, blood will pool around the site of
the injury. This is called a
In the next
stage of healing, a
is formed. It is made up
of osteoblasts, cartilage, phosphorus and calcium. As
ossification occurs at the site of the injury, a
is formed. The original bone shape is restored in the process
of
Remodeling
Compact
Epiphyses
Soft Callus
Hematoma
Cancellous
Osteons
Hard Callus
Trabeculae
ET
Answers
Answer:
Search it up in the internet UwU
Explanation:
A hydraulic jack is used to lift a car by applying a force of 120N at the pump piston,if the area of the ram and pump piston are 100cm squared and 1m squared respectively
Answers
Complete question:
A hydraulic jack is used to lift a car by applying a force of 120N at the pump piston, if the area of the ram and pump piston are 100cm squared and 1m squared respectively. What is the weight of the car?
Answer:
the weight of the car is 1.2 N
Explanation:
Given;
applied force, F₁ = 120 N
area of the effort (pump), A₁ = 1 m²
area of the load (ram), A₂ = 100 cm² = 1 x 10⁻² m²
let the weight of the car = F₂
The applied pressure is constant and the following equations can be used to calculate the weight of the car.
\(P = \frac{F_1}{A_1} = \frac{F_2}{A_2} \\\\F_2 = \frac{F_1 \times A_2}{A_1} \\\\F_2 = \frac{120 \times (1\times 10^{-2})}{1} \\\\F_2 = 1.2 \ N\)
Therefore, the weight of the car is 1.2 N
The mass of the train is 450000 kg.
Calculate the maximum possible speed of the train at the end of the first 4.0km of the
journey.
Answers
The maximum possible speed of the train at the end of the first 4.0 km of the journey is 0 m/s.
To calculate the maximum possible speed of the train at the end of the first 4.0 km of the journey, we can apply the principle of conservation of energy.
Assuming there are no external forces like friction or air resistance, the initial potential energy of the train will be converted into kinetic energy.
The potential energy (PE) of the train at the beginning of the journey can be calculated as PE = mgh, where m is the mass of the train, g is the acceleration due to gravity (approximately \(9.8 m/s^2\)), and h is the height difference (in this case, we assume it to be zero).
The kinetic energy (KE) of the train at the end of the 4.0 km journey can be calculated as \(KE = (1/2)mv^2\), where v is the velocity of the train.
Since the potential energy is converted into kinetic energy, we can equate the two expressions:
PE = KE
\(mgh = (1/2)mv^2\)
Simplifying and canceling out the mass:
\(gh = (1/2)v^2\)
Substituting the values, \(g = 9.8 m/s^2\)and h = 0, we get:
\((9.8 m/s^2)(0) = (1/2)v^2\)
Simplifying further:
\(0 = (1/2)v^2\)
This equation tells us that the maximum possible speed of the train at the end of the first 4.0 km of the journey is 0 m/s.
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average method and it reports the tollowing unit data tor the rorming department. Units completed in the torming department are transferred to the painting department. Production cost information for the forming department follows. . Calculate the equivalent units of production for both direct materials and conversion for the Forming department. o. Calculate the costs per equivalent unit of production for both direct materials and conversion for the Forming department c. Using the weighted average method, assign costs to the forming department's output-specifically, its units transferred to painting and its endina work in brocess inventorv. Calculate the costs per equivalent unit of production for both direct materials and conversion for the For Jsing the weighted average method, assign costs to the forming department's output-specifically, its 4 d its ending work in process inventory. Complete this question by entering your answers in the tabs below. Calculate the equivalent units of production for both direct materials and conversion for the forming department. a. Calculate the equivalent units of production for both direct materials and conversion for the Forming departm b. Calculate the costs per equivalent unit of production for both direct materials and conversion for the Forming c. Using the weighted average method, assign costs to the forming department's output-specifically, its units tra and its ending work in process inventory. Complete this question by entering your answers in the tabs below. Calculate the costs per equivalent unit of production for both direct materials and conversion for the forming department Required information Using the weighted average method, assign costs to the forming department's output-specifically, its units trar painting and its ending work in process inventory.
Answers
Given information: The average method reports the following unit data for the forming department. Units completed in the forming department are transferred to the painting department. Production cost information for the forming department follows.
Direct materials:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Direct materials cost = $202,500
Conversion costs:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Conversion cost = $189,000
a. Calculation of equivalent units of production for both direct materials and conversion for the forming department:
Equivalent units of production = Units completed during the period + (Ending work in process inventory * Degree of completion)
Direct materials:
Equivalent units of production = 45,000 + (5,000 * 50%) = 47,500 units
Conversion costs:
Equivalent units of production = 45,000 + (5,000 * 60%) = 48,000 units
b. Calculation of the cost per equivalent unit of production for both direct materials and conversion for the forming department:
Cost per equivalent unit of production = Total cost for the period / Equivalent units of production
Direct materials:
Cost per equivalent unit of production = $202,500 / 47,500 units = $4.26 per unit
Conversion costs:
Cost per equivalent unit of production = $189,000 / 48,000 units = $3.94 per unit
c. Calculation of the cost assigned to the forming department's output using the weighted average method:
Total cost = Cost of units transferred out + Cost of ending work in process inventory
Cost of units transferred out = Number of units transferred out * Cost per equivalent unit of production
Cost of ending work in process inventory = Number of units in ending work in process inventory * Cost per equivalent unit of production
Direct materials:
Cost of units transferred out = 40,000 * $4.26 per unit = $170,400
Cost of ending work in process inventory = 5,000 * $4.26 per unit = $21,300
Total cost = $170,400 + $21,300 = $191,700
Conversion costs:
Cost of units transferred out = 40,000 * $3.94 per unit = $157,600
Cost of ending work in process inventory = 5,000 * $3.94 per unit = $19,700
Total cost = $157,600 + $19,700 = $177,300
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Which equation is valid in the x axis for any projectile?
Answers
Answer:
Vx = u*cos θ
Explanation:
where ,
θ = angle of projection with X - axis(horizontal)
u = initial velocity of projectile
Vx = velocity of projectile with respect to x-axis