Answer:
series
Explanation:
In a series circuit all the components are attached to one branch, so that if one component fails, all the others stop working. In a parallel circuit, however, the components are wired in separate branches, so that even if one branch fails, the rest are not disrupted.
Why do hurricanes develop over oceans?
Question 5 options:
The ocean is affected by the Coriolis effect.
The ocean winds blow from north to south.
The warmer ocean adds water vapor to the air mass.
The ocean currents cause air to move toward the land.
My guess is; The warmer ocean adds water vapor to the air mass.
I'm really sorry if I'm wrong
The warmer ocean adds water vapor to the air mads
You are driving home from school steadily at 94 kn/h for 190km . It then begins to rain and you slow to 61 km/h instantly. You arrive home after driving 5.0 hours , How far is your hometown from school?
The distance of my hometown from school if I arrive home after driving 5.0 hours is 373 kilometers
v = d / t
v = Velocity
d = Distance
t = Time
For first half,
v = 94 km / h
d = 190 km
t = d / v
t = 190 / 94
t = 2 hours
For second half,
v = 61 km / h
t = 5 - 2
t = 3 hours
d = v * t
d = 61 * 3
d = 183 kilometers
Total distance = 190 + 183
Total distance = 373 kilometers
Therefore, the distance of my hometown from school is 373 km
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How much impulse is imparted on a 0.14 kg baseball initially traveling at 32 m/s when it is struck by a baseball bat and begins to travel in the opposite direction at 49 m/s
ANSWER AND EXPLAINATION:
To calculate the impulse imparted on the baseball, we can use the impulse-momentum principle, which states that the impulse experienced by an object is equal to the change in momentum of the object. Mathematically, it can be expressed as:
Impulse = Change in momentum
The momentum of an object is given by the product of its mass and velocity:
Momentum = mass × velocity
In this case, the baseball has an initial mass of 0.14 kg and an initial velocity of 32 m/s. After being struck by the bat, it travels in the opposite direction at a velocity of 49 m/s.
Therefore, the change in momentum is given by:
Change in momentum = (mass × final velocity) - (mass × initial velocity)
Change in momentum = mass × (final velocity - initial velocity)
Change in momentum = 0.14 kg × (49 m/s - (-32 m/s))
Change in momentum = 0.14 kg × (49 m/s + 32 m/s)
Change in momentum = 0.14 kg × 81 m/s
Change in momentum = 11.34 kg·m/s
So, the impulse imparted on the baseball is 11.34 kg·m/s.
A golf ball with an initial angle of 33° lands exactly 223 m down the range on a level course in a time of 5.44s.
A. Neglecting air friction, what initial speed would achieve this result?
B. Find the maximum height reached by the ball.
104 m/s is initial speed and 11.03 m is the maximum height reached by the ball.
R=(v0^2×sin 2θ)/g
223=(v0^2×sin2(33))/(9.8)
2185=v0^2×sin 66
v0^2=10950
v0=104 m/s
h=(v0^2×sin2θ)/2×g
h=(104^2×sin2×33)/2(9.8)
h=(10816×.02)/19.6
h=11.03
Gravity is the principal force acting on a body in projectile motion when it is hurled at a specific angle. The power with which the body is originally thrown determines maximum height and how far it will travel. When an object moves in a projectile motion, there are numerous instances in daily life. For instance, a basketball player will obliquely toss the ball at a specific angle towards the direction of the hoop. The ball then rises and descends like a missile in the direction of the basket. Other sports like cricket, football, and soccer may demonstrate this.
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calculate the force between charges 4x10^-8c and 1.8x10^-6C if they wre 3.5 m apart?
Answer:
no se pregúntale a otro gracias cuidate :)
When working with a razor blade or exacto knife --
O hold it as you would a pencil when writing.
O grip it with your fist with the blade facing upward.
O twirl it between your fingers.
O grip it with your fist with the blade facing downward.
Answer:
last answer
Explanation:
gripping it with the blade facing downward is the most efficient and safe way to use an exacto knife
write and submit a paragraph discussing your progress toward your three physical fitness goal that you set in unit1
The progress toward my three physical fitness goal can be seen below:
Shedding fatBuilding musclesImproving enduranceWhat is Exercise?This is referred to as a form of physical activity which makes an individual fit and also improves the general well being of the person involved and examples include running, jogging, weight lifting etc.
The physical fitness goal which was set was to ensure that I become healthy from being obese by shedding fat in the body and the results have been a slimmer arm and body.
There was also the need to improve endurance and it has been improved such that the revs which are done during exercises have been increased thereby leading to an increase in the intensity of the activities being done ti achieve the required result.
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Match the phenomena with which type of heat transfer they use (If mutiple types are possible, select the one that is responsible for the majority of the heat transfer)
____ The coils in the bottom of an oven warming a casserole
____ The broiler at the top of an oven browning the surface of a casserole
____ Heat from an air drier
____ The sun heating the Earth
____ Boiling an egg
____ Wind chill
____ Frying an egg
____ Holding an ice cube on a hot summer day
1. Conduction
2. Convection
3. Radiation
Wind chill is mainly caused by the process of convection, which is the transfer of heat through the movement of air.
The phenomena of wind chill is primarily associated with the type of heat transfer known as convection.
Convection is the transfer of heat through the movement of a fluid (such as air or water). In the case of wind chill, it refers to the cooling effect felt on our skin due to the movement of air.
When wind blows across our skin, it carries away the heat that our body generates, causing us to feel colder than the actual temperature. This is why we often feel colder on windy days compared to calm days, even if the temperature is the same.
To understand wind chill, let's consider an example. Imagine you are standing outside on a cold day. If there is no wind, the layer of air surrounding your body acts as an insulator, trapping the heat and keeping you warm. However, if there is wind, it blows away the warm air near your skin and replaces it with colder air, accelerating heat loss from your body and making you feel colder.
Although other types of heat transfer, such as conduction and radiation, also play a role in heat loss, convection is primarily responsible for the majority of the heat transfer associated with wind chill.
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Which statement is true about the theory of plate tectonics and the theory of continental drift?
A) The theory of plate tectonics proves the theory of continental drift completely wrong.
B) The theory of plate tectonics tells exactly where the continents were before Pangaea divided.
C) The theory of plate tectonics gives the method by which continents can move as part of plates.
D) The theory of plate tectonics does not explain how continental movements could occur.
The statement that is true about the theory of plate tectonics and the theory of continental drift C. The theory of plate tectonics gives the method by which continents can move as part of plates .
What is theory of plate tectonics and the theory of continental drift ?According to the scientific hypothesis of plate tectonics, the underground movements of the Earth create the primary landforms. By explaining a wide range of phenomena, including as mountain-building events, volcanoes, and earthquakes, the theory, which became firmly established in the 1960s, revolutionized the earth sciences.
The scientist Alfred Wegener is most closely connected with the concept of continental drift. Wegener wrote a paper outlining his notion that the continents were "drifting" across the Earth, occasionally crashing through oceans and into one another, in the early 20th century.
According to tectonic theory, the Earth's surface is dynamic and can move up to 1-2 inches every year. The numerous tectonic plates constantly move and interact. The outer layer of the Earth is altered by this motion. The result is earthquakes, volcanoes, and mountains.
Therefore, option C is correct.
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What is the largest known star?
Answer:
UY Scuti is slightly larger than VY Canis Majoris
Explanation:
These stars are millions of miles away and cannot be seen by the naked eye.
Beetlejuice is another large star that can be seen by the eye.
Please help! Giving 20 points!!
If two train cars, one of mass 1000 kg and the other of 1750 kg, are next to each other and connected by a compressed spring, and the spring releases so that the heavier car moves off at 4 m/s, what is the velocity of the other car?
Answer:
Explanation:
Remark
This is a momentum question. Both cars are sitting still (v1 and v2 are both 0) to start with). When the spring is sprung), they both move but in opposite directions.
Let us say that v4 is minus.
Equation
0 = m3*v3 - m4* v4
Givens
m3 = 1750 kg
m4 = 1000 kg
v3 = 4 m/s
Solution
m3*4m/s - m4*x = 0
1750 * 4 - 1000*x = 0
1750 * 4 = 1000x
7000 = 1000 x
7000/1000 = x
x = 7 m/s
which one A, B, C, D or the last one?
Answer:
C
Explanation:
Answer is C.
You know you can provide 600 W
of power to move large objects. You need to move a 60-kg
safe up to a storage loft, 18 m
above the floor.
Part A
With what average speed can you pull the safe straight up?
A. The average speed you can use to pull the safe is 1.02 m/s
B. The time needed to pull the safe up is 17.65 s
A. How do i determine the velocity?First, we shall obtain the force. This is shown below:
Mass of safe (m) = 60 KgAcceleration due to gravity (g) = 9.8 m/s² Force (F) =?F = mg
F = 60 × 9.8
F = 588 N
Finally, we shall obtain the average speed. Details below:
Power = 600 WForce = 588 NAverage speed =?Power = force × average speed
600 = 588 × average speed
Divide both sides by 588
Average speed = 600 / 588
Average speed = 1.02 m/s
B. How do i determine the time?The time needed to pull the safe up can be obtained as follow:
Average speed = 1.02 m/sTotal distance = 18 mTime = ?Time = Total distance / average speed
Time = 18 / 1.02
Time = 17.65 s
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Complete question:
You know you can provide 600 W
of power to move large objects. You need to move a 60-kg
safe up to a storage loft, 18 m
above the floor.
Part A
With what average speed can you pull the safe straight up?
Part B
What is the time needed to pull the safe up?
A lumberjack is trying to drag a small tree that he cut down. If the static
coefficient of friction of the tree on the ground is 0.5 and the tree weighs 430
N, what is the minimum amount of horizontal force that he will need to apply
so that the tree will start moving?
A. 215 N
B. 430 N
C. 365 N
D. 500 N
Answer:
A
Explanation:
weight of the tree =normal force
Horizontal force =coefficient of friction x Fnormal
0.5×430=215
If the Moon did not rotate at the same rate that it revolved, which of the following would be true?
Answer:
There will be no tides
Explanation:
How are magnetic fields like vectors?
Answer:Magnetic fields from two sources add up as vectors at each point, so the strength of the field is not necessarily the sum of the strengths1. Magnetic fields are vectors, which means they have direction as well as size. Therefore, the sum of two magnetic fields is not simply the sum of their magnitudes2.
Explanation:
Planets A and B have the same size, but planet A is half the mass of planet B.
Which statement correctly explains the weight you would experience on each
planet?
A. You would weigh the same on both planets because the planets
are the same size.
B. You would weigh less on planet A because it has less mass than
planet B.
C. You would weigh the same on both planets because your mass
would be the same on both.
D. You would weigh more on planet A because it has less mass than
planet B.
Answer:
B
Explanation:
The more mass an object has, the more gravity it has.
The statement which correctly explains the weight you would experience on each planet is: B. You would weigh less on planet A because it has less mass than planet B.
Weight can be defined as the force acting on a body or an object as a result of gravity.
Mathematically, the weight of an object is given by the formula;
\(Weight = mg\)
Where;
m is the mass of the object.g is the acceleration due to gravity.Hence, we can deduce that the weight and gravity acting on an object is highly dependent on the mass of an object.
Therefore, the higher the mass in a planet, the higher the gravity existing there.
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If a 15kg mass weighs 372 N on Jupiter, what is Jupiter's gravitational acceleration?
Answer:
The mass of Jupiter is 1.9 x 1027 kg. It is hard to fully understand a number that large, so here are a few comparisons to help. It would take 318 times Earth's mass to equal Jupiter's.
Explanation:
Mr. Bissell creates a diagram of electric and magnetic fields to teach his students about the concepts. He includes the similarities and differences between the fields on the diagram. Which of the following statements should he add about the similarities between the two fields?
The similarity between electric field and magnetic field is that both fields attract or repel charges in the field.
What is an electric field?
The force per unit charge that a vanishingly small positive test charge would experience if held fixed at a given point in space is the definition of the electric field at that location.Since force is a vector (i.e., having both magnitude and direction), and the electric field is defined in terms of force, it follows that an electric field is a vector field.The term "force field" is occasionally used to describe fields that can be defined in this way.The gravitational field between two masses and two charges behaves similarly, with both obeying an inverse-square law as the distance between them increases.To know more about electric field, click the link given below:
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creating a system to effectively solve problems can help you out in many ways. what are some benefits you would like to see in your own life as you begin to apply the 4 step problem solving process you read about this week
Creating a system to effectively solve problems is important as it helps an individual or organization to accomplish the goals and objectives.
The 4 step problem solving process is an important approach for effective problem-solving.The 4 step problem solving process involves the following steps:Identifying the problemGathering information and analyzing the problemIdentifying possible solutionsEvaluating and selecting the best solution to the problem.Some of the benefits that one would like to see in their own life as they begin to apply the 4 step problem solving process are as follows:1. Better decision-making skills: The 4 step problem solving process helps individuals to make better decisions in their personal and professional lives. The process helps an individual to evaluate all possible solutions before choosing the best solution to the problem.2. Effective time management: The 4 step problem solving process helps an individual to solve problems quickly and efficiently, leading to effective time management. It helps an individual to focus on the important aspects of the problem and make quick decisions.3. Improved communication: The 4 step problem solving process involves gathering information, analyzing the problem, and identifying solutions. It also involves communicating with others to get more information or to help evaluate solutions.
Effective communication skills are important in this process, and this can be improved through practicing the 4 step problem solving process.4. Improved problem-solving skills: The 4 step problem solving process helps individuals to develop better problem-solving skills, which is important in both personal and professional life. It helps an individual to think critically and creatively to identify the best possible solutions to a problem. This skill can be useful in various situations, including work, school, and personal relationships.
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One strategy in a snowball fight is to throw a snowball at a high angle over level ground. Then, while your opponent is watching that snowball, you throw a second one at a low angle timed to arrive before or at the same time as the first one. Assume both snowballs are thrown with a speed of 26.5 m/s. The first one is thrown at an angle of 58.0° with respect to the horizontal. Find a - At what angle should the second snowball be thrown to arrive at the same point as the first?, find b - How many seconds later should the second snowball be thrown after the first in order for both to arrive at the same time?
The second snowball should be thrown at an angle of approximately 48.196° with respect to the horizontal to arrive at the same point as the first snowball.
the second snowball should be thrown 4.582 seconds later in order for both to arrive at the same time.
To find the angle at which the second snowball should be thrown, we can use the fact that the horizontal displacement of both snowballs must be the same.
Let's first find the horizontal and vertical components of the velocity for the first snowball. The initial speed is 26.5 m/s, and the angle is 58.0° with respect to the horizontal.
The horizontal component of the velocity for the first snowball is given by:
V1x = V1 * cos(angle1)
= 26.5 m/s * cos(58.0°)
= 26.5 m/s * 0.530
= 14.045 m/s
Now, let's find the vertical component of the velocity for the first snowball:
V1y = V1 * sin(angle1)
= 26.5 m/s * sin(58.0°)
= 26.5 m/s * 0.848
= 22.472 m/s
Since the vertical acceleration is the same for both snowballs (gravity), the time it takes for both to arrive at the same point is the same. Therefore, we can use the time of flight of the first snowball to calculate the vertical displacement for the second snowball.
The time of flight for the first snowball can be calculated using the vertical component of velocity and the acceleration due to gravity:
t = (2 * V1y) / g
= (2 * 22.472 m/s) / 9.8 m/s²
≈ 4.582 s
Now, let's find the vertical displacement for the second snowball:
Δy = V1y * t - (0.5 * g * t²)
= 22.472 m/s * 4.582 s - (0.5 * 9.8 m/s² * (4.582 s)²)
≈ 103.049 m
To find the angle at which the second snowball should be thrown, we can use the horizontal displacement and the vertical displacement:
tan(angle2) = Δy / Δx
= 103.049 m / (2 * 14.045 m/s * t)
= 103.049 m / (2 * 14.045 m/s * 4.582 s)
≈ 1.085
Now, we can find the angle2 by taking the arctan of both sides:
angle2 ≈ arctan(1.085)
angle2 ≈ 48.196°
Therefore,
To find how many seconds later the second snowball should be thrown, we can simply use the time of flight of the first snowball, which is approximately 4.582 seconds.
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A flat screen tv uses 120 watts. How much energy is used up if it is left on for 15 min?
A.) 4j
B.) 15j
C.) 0.67j
D.) 108,000j
Answer:
d
Explanation:
amount of force times the distance it moves object
work=force×distance this is the formula
The power in an electrical circuit is given by the equation P= 1^2R where /is
the current flowing through the circuit and Ris the resistance of the circuit.
What is the current in a circuit that has a resistance of 30 ohms and a power
of 2 watts
The current in a circuit that has a resistance of 30 ohms and a power of 2 watts is 0.2581 Ampere.
Solution:
The power in an electrical circuit is given by the equation:
\(P = I^{2} R\)
I = Current in the circuit
R = Resistance offered by the circuit
P = 2 watts
R = 30 Ω
I =?
2Watts = \(I^{2}\)x30Ω
\(I = \sqrt{\frac{2Watts}{30} }\)
I = 0.2581 Ampere.
The current through a resistor is inversely proportional to its resistance value. Resistance is a measure of resistance to the flow of current in an electrical circuit. Resistance is measured in ohms, represented by the Greek letter omega.
Electric current is the flow of charge through matter. The material or conductor through which current flows is often a metal wire, but current can also flow through some gases, liquids, and other materials. The circuit can be wired in two ways. Current is the speed at which charge flows. Resistance is the tendency of a material to resist the flow of electrical charges.
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what is the physics behind why electric parallel plates move from positive to negative
The physics behind the movement of electric charges between parallel plates is based on the principles of electrostatics. Electric charges are either positive or negative, and they are affected by electric fields.
Electric fields are created by a difference in electric potential, which is measured in volts. When a voltage is applied to a set of parallel plates, the charges within the plates will be affected by the electric field, and will move in response to it.
What are electric parallel plates?When a voltage is applied to a set of parallel plates, the positive charges in the plate connected to the positive voltage will be attracted to the negative voltage, while the negative charges in the plate connected to the negative voltage will be attracted to the positive voltage.
The movement of charges between the plates is also affected by the presence of any obstacles or resistances in the electric field, such as resistance in the wire. This can slow down the movement of charges and result in a decrease in the current flowing through the circuit.
In all, the movement of charges between electric parallel plates is the result of the electric field created by a difference in electric potential, and the movement of charges is called drift velocity. The movement is also affected by the presence of resistance.
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Coherent light from a laser shines through two slits 0.002 cm apart, producing an interference pattern on a screen. A bright central fringe is seen on the screen in line with a point directly between the slits. The next bright fringe is seen at an angle of 2 degrees above the central fringe (with a dark fringe between). What is the wavelength of the laser’s light? (1 nm = 10-9 m)
Answer:
λ = 698 nm (Approx)
Explanation:
Given:
Width d = 0.002 cm = 0.002 x 10⁻² nm
θ = 2°
Computation:
d sinθ = mλ
(0.002 x 10⁻²) sin2° = mλ
λ = 698 nm (Approx)
Which of the following facts are true about ground level ozone?
a. O3 and primary pollutant
b. O3 and secondary pollutant
c. O2 and primary pollutant
Answer:
O2 and primary pollutant
Construct a ray diagram to determine the image.
A thin lens is located centered over a 14 cm ruler at the 7 cm mark. A black dot is located at 5.5 cm on the left side of the lens and at 8.5 cm on the right side of the lens. An arrow is located at the 3.0 cm mark.
Where is the image located?
At 8.3 cm on the ruler
At 9.4 cm on the ruler
At 10.7 cm on the ruler
At 11.5 cm on the ruler
A ray diagram with given information gives an image location of 10.7 cm on the ruler. This method helps determine characteristics of images formed by lenses.
To build a beam graph to decide the picture area, we first need to draw an outline with the given data. We start by defining an upward boundary to address the focal point, with the ruler and the dark spot on one or the other side of it. We then, at that point, draw a bolt on the left half of the focal point at the 3.0 cm mark.
Then, we draw three beams from the bolt. The primary beam is attracted lined up with the important pivot and goes through the point of convergence on the right half of the focal point.
The subsequent beam goes through the focal point of the focal point and go on in an orderly fashion. The third beam goes through the point of convergence on the left half of the focal point and becomes lined up with the essential pivot subsequent to going from the perspective.
Where these three beams cross on the right half of the focal point is the picture area. For this situation, the beams converge at a point situated at 10.7 cm on the ruler, which is the response to the inquiry. Thusly, the picture is situated at 10.7 cm on the ruler.
This strategy for developing a beam graph is a valuable apparatus in deciding the area and qualities of pictures shaped by focal points, and is a significant idea in the investigation of optics.
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Consider these two vectors
Are the two displacements equal?
In the given case on vectors, the displacements are not equal.
When a particle has gone the least distance, it is referred to as displacement. Both the magnitude and the direction are represented by the vector quantity. Vectors are a type of physical quantity that may be fully represented by both their magnitude and direction. For instance, distance travelled and speed, etc.
A line with an arrow on it is used to symbolise a vector quantity. The physical quantity's size is indicated by the arrow's length, and its direction by the arrow's direction. Given that vector A is longer than vector B, vector A must have a greater magnitude than vector B. These are not equal displacements as a result.
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Complete Question:
Two vectors pointing right starting at the same position. Vector A is on top and longer. Vector B is shorter and below. Are the two displacements equal? Explain your answer.
When driving on a straight flat freeway, you keep your foot on the accelerator to keep the car in motion at constant velocity. Which of the following represents this situation? The net force on the car
A. is in the forward direction
B. depends on the car’s speed
C. is toward the rear
D. depends on the car’s engine
E. is zero
Answer: E. is zero
Explanation: According to Newton's first law of motion, any object moving at constant velocity has no net external force acting upon it, which means that the sum of the forces acting on the object must be zero. Given that the car is maintaining a constant velocity, we can say that there is no net force acting on the car.