Answer:
hago
Explanation:
hago mis quehaceresmeans means I do my homework
Which includes the definition of both Behaviorism and Psychoanalysis approaches?
Behaviorism approach centers on giving absolute prominence to the outside characters of individuals
What is Psychoanalysis approaches?Psychoanalysis approach centers on fact the fact that the unconscious has the potential to drive our behavior
Interestingly, the behaviorists and psychoanalysts share some common norms and values in such away that
Their both ideas are deterministicThey both recognize that experience is the key to the future behaviorLearn more about Behaviorism and Psychoanalysis approaches:
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Two parallel very long straight wires carrying current of 5A each are kept at a separation of 1m. If the currents are in the same direction, the force per unit length between them is __________
Answer:
The force per unit between the two parallel wires with same current flowing in the same direction is 5 x 10⁻⁶ N/m repulsive force.
Explanation:
Given;
current though the two parallel wires, I₁ and I₂ = 5A
distance between the two wires, R = 1 m
The force per unit of the wires is calculated as;
\(\frac{F}{L} = \frac{\mu_o I_1I_2}{2\pi R}\)
Where;
μ₀ is permeability of free space = 4π x 10⁻⁷ m/A
Substitute in the given values into the equation and determine the force per unit length (F/L).
\(\frac{F}{L} = \frac{\mu_o I_1I_2}{2\pi R} \\\\ \frac{F}{L} = \frac{4\pi *10^{-7}*5*5}{2\pi *1}\\\\ \frac{F}{L} = 5*10^{-6} \ N/m \ (repulsive)\)
Therefore , the force per unit between the two parallel wires with same current flowing in the same direction is 5 x 10⁻⁶ N/m repulsive force.
Raju completes one round of a circular track of diameter 200m in 30s. Calculate
a. The distance travelled by Raju
b. The magnitude of displacement travelled by Raju at the end of 30 s.
Explanation:
Given:
Diameter = 200 m
Radius, r = 200/2 = 100 m
Time taken, t = 30 seconds
Formula to be used:
Distance traveled, = circumference of circle = 2πr
Answer:
Putting all the values, we get
Distance traveled = 2πr
Distance traveled = 2 × 22/7 × 100 Distance traveled = 4400/7 Distance traveled = 628.57 mSo, the distance traveled by Raju is 628.57 m.
Now, magnitude of the displacement,
At the end of 30 seconds, Raju will come to starting position or initial position, so displacement is zero.
why the efficiency of the single movable pully system is not 100%
Answer:
This is because part of the energy input is used to overcome gravity, inertia and friction
An experiment is performed on an unknown material and produces the given heat curve. The temperature of the material is shown as a function of heat added. Other experiments determine that the material has a temperature of fusion of fusion=235 °C and a temperature of vaporization of vapor=471 °C.
If the sample of material has a mass of =9.80 g, calculate the specific heat when this material is a solid, s, and when it is liquid, l.
The specific heat of the solid phase is 0.333 joules per gram-degree Celsius.
The specific heat of the liquid phase is 0.593 joules per gram-degree Celsius.
In this case, we need to determine that specific heat for solid and liquid states of matter. By Heat Physics, we understand that specific heat is contained in the slopes of the two sensible phases in the following form:
\(\frac{\Delta T}{\Delta Q} = \frac{1}{m\cdot c}\) (1)
Where:
\(\Delta T\) - Temperature change, in degrees Celsius.\(\Delta Q\) - Heat received, in joules.\(m\) - Mass of the sample, in grams.\(c\) - Specific heat of the sample, in joules per kilogram-degrees Celsius.Solid phase
If we know that \(m = 9.80\,g\), \(T_{1} = 40\,^{\circ}C\), \(T_{2} = 235\,^{\circ}C\), \(Q_{1} = 183\,J\) and \(Q_{2} = 819\,J\), then the specific heat of the solid phase is:
\(c = \frac{\Delta Q}{m\cdot \Delta T}\)
\(c = \frac{819\,J-183\,J}{(9.80\,g)\cdot (235\,^{\circ}C - 40\,^{\circ}C)}\)
\(c = 0.333\,\frac{J}{g\cdot ^{\circ}C}\)
The specific heat of the solid phase is 0.333 joules per gram-degree Celsius.
Liquid phase
If we know that \(m = 9.80\,g\), \(T_{3} = 230\,^{\circ}C\), \(T_{4} = 471\,^{\circ}C\), \(Q_{3} = 1470\,J\) and \(Q_{4} = 2870\,J\), then the specific heat of the liquid phase is:
\(c = \frac{\Delta Q}{m\cdot \Delta T}\)
\(c = \frac{2870\,J - 1470\,J}{(9.80\,g)\cdot (471\,^{\circ}C - 230\,^{\circ}C)}\)
\(c = 0.593\,\frac{J}{g\cdot ^{\circ}C}\)
The specific heat of the liquid phase is 0.593 joules per gram-degree Celsius.
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what do you mean by escape speed at a place?
In celestial mechanics, escape velocity or escape speed is the minimum speed needed for a free, non-propelled object to escape from the gravitational influence of a primary body, thus reaching an infinite distance from it.
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What is an electricity?
Explanation:
Electricity is the flow of electrical power or charge.
1. Is the image projected on a movie screen real or virtual? What about the image of yourself seen in a bathroom mirror?
2. Hold a shiny spoon in front of you. What differences do you notice about the image of your face seen in the convex and concave sides?
3. Where are the images formed by each side of the spoon? In front or behind the spoon? (Try the parallax method. Look at the image of an overhead light. Hold the tip of a pencil where you think the image is. Move your head from side to side. If the image and pencil tip appear to move relative to each other, adjust the position of the pencil back and forth until they appear as one)
Answer: 1. The movie one is virtual and the bathroom mirror is real
2. The image is distorted in a way
3. Behind the spoon
Explanation:
The movie one is virtual and the bathroom mirror is real and The image is distorted in a way and Behind the spoon.
What is virtual screen?In virtual desktops, the desktop environment is segregated from the physical device being used to access it. They are preloaded images of operating systems and apps. Over a network, users can remotely view their virtual desktops.
A virtual desktop can be accessed from any endpoint device, including a laptop, smartphone, or tablet. The user interacts with the client software that was installed on the endpoint device by the virtual desktop provider.
A virtual desktop mimics the appearance and feel of a real workstation. Because robust resources, like storage and back-end databases, are easily accessible, the user experience is frequently even better than that of a physical workstation.
Therefore, The movie one is virtual and the bathroom mirror is real and The image is distorted in a way and Behind the spoon.
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A compound microscope has a barrel length of =159.0 mm and an objective with a 4.070 mm focal length. The total angular magnification of the microscope is −411.0. Using the approximation that the barrel length is large relative to the focal lengths, determine the angular magnification of the eyepiece.
A microscope's objective lens has a focal length of 4 cm, whereas the eye lens's focal length is 8 cm. if 24 cm is the minimum distance at which a person can see clearly,
How does a microscope use magnification?When an object is magnified, it appears in a microscope image at a scale bigger than its true size. Only when it is able to see more specifics of an item in the photograph than when studying the thing without the use of a magnifying glass does magnification serve a beneficial purpose.
What magnification do 10x and 4x represent?Scanning objective lenses typically have a magnification of 4x, and when paired with a 10x eyepiece lens, they have a total magnification of 40x.
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Based on the graph, how would you describe the net forces acting on the moving
Given the velocity-time graph of an object.
The slope of a velocity-time graph gives the acceleration acting on the object.
From the graph, we can see that the slope of the graph is zero. That is, the velocity of the object is constant and hence the net acceleration acting on the object is zero.
From Newton's second law, the net force acting on an object is given by the product of the mass of the object and its velocity. Therefore when the acceleration of the object is zero, the net force on the object is also zero.
Therefore the net force acting on the given object is zero. Hence, the correct answer is option A.
An upright spring with a 96g mass on it is compressed 2 cm. When
released it travels 60 cm upwards. A) Calculate the spring constant. B)
Calculate its beginning speed when it takes off.
Answer:
I only know answer A and it's 2825.28 N/m, with rounding it's 2825.5
Explanation:
Use the m*g*h=1/2*k*x^2 equation
96*9.81*60=1/2*k*2^2
5650.56=2k
5650.56/2=2825.28N/m
The solar system formed about 4.5 billion years ago. This expressed asA. 4.5x10^6 yearsB. 4.5x10^7 yearsC. 4.5x10^8 yearsD. 4.5 x10^9 years
Given,
The age of the solar system is 4.5 billion years.
One billion is 1,000,000,000.
In scientific notation, we can write one billion as 1×10⁹.
Therefore to express any number in billions we need to multiply it with the above number.
Therefore, we can write 4.5 billion years as,
\(4.5\times1\times10^9=4.5\times10^9\text{ years}\)Therefore we can express 4.5 billion years as 4.5
1. A Ograph A Ograph B Ograph c Which graph represents what happens to the pressure in a tire as air is added to the tire, assuming the temperature is constant?
Answer:
Explanation:
It's graph A because the pressure in the tire is increasing as the amount of air going into it increases. B says the pressure drops exponentially as air goes in, and C says that the pressure stays the same as air goes in. Pressure in a tire increases proportionally to the amount of air in it.
3. A car travelling at 12 m/s into a stationary truck of about 10 times the cars mass. a. If the collision was completely inelastic, what velocity would the two travel at if the stuck together? b. If the collision was completely elastic, what would be the velocities of the car and truck after the collision? c. In order to exert a force of only 3500N on the truck during the collision, how much time would the collision have to take?
(a) The final velocity of the two vehicles if the collision was inelastic is 1.1 m/s.
(b) For the elastic collision, the final velocity of the car is 9.81 m/s backwards and the final velocity of the truck is 2.19 m/s forward.
(c) The time taken to exert the given force is 0.00625 m (s).
The given parameters;
Initial velocity of the car, u₁ = 12 m/sInitial velocity of the truck, u₂ = 0Mass of the car, = mMass of the truck, = 10m(a) The final velocity of the two vehicles if the collision was inelastic is calculated as follows;
\(m_1 u_1 + m_2u_2 = v(m_1+ m_2)\\\\12m + 10m(0) = v(m + 10m)\\\\12m = v(11m)\\\\v = \frac{12m}{11m} \\\\v = 1.1 \ m/s\)
(b) The final velocity of the two vehicles if the collision was elastic is calculated as follows;
\(m_1 u_1 + m_2u_2 = m_1v_1 + m_2v_2\\\\\12m \ + \ 10m(0) = mv_1 + 10mv_2\\\\12m = m(v_1 + 10v_2)\\\\12 = v_1 + 10 v_2\ \ - --(1)\)
Apply one-directional velocity equation:
\(u_1 +v_1 = u_2 + v_2\\\\12 + v_1 = 0 + v_2\\\\12+ v_1 = v_2 \ \ --- (2)\)
Substitute the value of \(v_2\) into equation (1);
\(12 = v_1 + 10(12 + v_1)\\\\12= v_1 + 120 + 10v_1\\\\12- 120 = 11v_1\\\\-108 = 11v_1\\\\v_1 = \frac{-108}{11} \\\\v_1 = -9.81 \ m/s\\\\\)
Solve for \(v_2\);
\(v_2 = 12 + v_1\\\\v_2 = 12 - 9.81\\\\v_2 = 2.19 \ m/s\)
Thus, for the elastic collision, the final velocity of the car is 9.81 m/s backwards and the final velocity of the truck is 2.19 m/s forward.
(c)
The change in the momentum of the truck is calculated as;
\(\Delta P = m_2(v_2 - u_2)\\\\\Delta P = 10m(2.19)\\\\\Delta P = 21.9m\)
The time taken to exert the given force is calculated as follows;
\(Ft = \Delta P\\\\t = \frac{\Delta P}{F} \\\\t = \frac{21.9 \ m}{3500} \\\\t = 0.00625 \ m (seconds)\)
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If a car is moving in a straight line at a constant speed of 5 m/s,what is the net force on the car
Hi there!
\(\large\boxed{\Sigma F = 0N}}\)
If an object is moving with a constant speed, that means the object is not experiencing any acceleration.
Thus, there is no net force acting on the object.
Is the parsley an herb or a spice?
Answer:
Parsley is an herb.
Explanation:
Both herbs and spices come from plants but herbs are the fresh part of the plant while spice is the dried root, dried stalk, seed or dried fruit of the plant and is almost always dried not fresh.
the acceleration due to gravity jupiter is 25m/s Square . what does it mean
Answer:
The acceleration due to gravity of Jupiter is 25 m/s^2. means that, Any object dropped near Jupiter's Surface will accelerate downward (towards the Jupiter's surface) at the rate of 25 m/s^2 due to the gravity of Jupiter
Explanation:
hope it's help
Answer:
Explanation:
If any object is dropped from a height above the Jupiter's surface the object will fall towards jupiter's surface with a constant acceleration of 25m/s^2.
1. Abus moves 2moveront and om east, 5 North and 3m South fay 5 second. calculate on) Total distance b) Tofal displosment c Averge speed d Average Velocity.
(a) The total distance of the bus is 10 m.
(b) The total displacement of the bus is 2.83 m.
(c) The average speed of the bus is 2 m/s.
(d) The average velocity of the bus is 0.57 m/s.
What is the total distance travelled by the bus?The total distance of the bus is the sum of all the distance covered by the bus and it is calculated as follows;
distance = 2 m + 5 m + 3 m = 10 m
The total displacement of the bus is calculated as follows;
resultant horizontal displacement = 2 m east
resultant vertical displacement = 5 m - 3 m = 2 m North
Total displacement = √ ( 2² + 2² )
Total displacement = 2.83 m
The average speed is calculated as;
average speed = 10 m / 5 s = 2 m/s
The average velocity is calculated as;
average velocity = 2.83 m / 5 s = 0.57 m/s
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1. A ball is at rest on the top of a hill (see the figure).
At the top of the hill, the ball will have [the maximum value of its, no, the minimum value of its] gravitational potential energy and [no, the maximum value of its] kinetic energy. If the ball rolls down the hill then, its [gravitational potential energy, kinetic energy] is converted to [gravitational potential energy, kinetic energy] when it gets to the ground.
2. Get your stopwatch ready and prepare to drop the object from the height h you selected in the previous step. You should drop the object so its [bottom, top, middle] part is initially at the height h. The initial speed of the ball [zero, 9.8 m/s, 9.8 m/s^2, depends on the height h] You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground [ for the first time it bounces, after it bounces and then comes to rest, both the first time and then after it bounces; then average the two times]
.
Many of the rocks of the canyon wall appear as horizontal bands. What do the bands indicate about the way the rocks formed?
Given what we know, we can confirm that the bands indicate that the canyon was carved due to erosion caused by moving water.
What do these bands tell us about the canyon?The bands are the result of sediments being deposited as the canyon was being formed. These sediments are deposited by the running water that carves the canyon. This results in horizontal bands that can tell us much about the history of the canyon as well as the river that formed it.
Therefore, we can confirm that the bands indicate that the canyon was carved due to erosion caused by moving water.
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A sled starts from rest,
and slides 10.0 m down a 28.0°
frictionless hill. What is its
acceleration?
(Unit = m/s2)
Answer:
The acceleration of the sled is \(4.6\ m/s^2\).
Explanation:
It is given that,
Initial speed of sled is 0 because it was at rest.
It is placed at an angle of 28° on a frictionless hill.
We need to find the acceleration of the sled. It is placed at an incline. It means that the acceleration of the sled is given by :
\(a=g\sin\theta\\\\a=9.8\times \sin(28)\\\\a=4.6\ m/s^2\)
So, the acceleration of the sled is \(4.6\ m/s^2\).
Suppose that you measure the length of a spaceship, at rest relative to you, to be 400 m. How long will you measure it to be if it flies past you at a speed of u=0.75c?
The spaceship from Part A has a large clock attached to its side. This clock ran at the same rate as your watch when you were in the same reference frame. How much time ?t will pass on your watch as 80 s passes on the clock attached to the ship?
If the captain of ship A fires a missile, counts 10.0 s on his watch, and then fires a second missile, how much time ?t will the captain of ship B measure to have passed between the firing of the two missiles?
The captain of ship B knows that ship A uses 2-m-long missiles. She measures the length of the first missile, once it has finished accelerating, and finds it to be only 0.872 m long. What is the speed u of the missile, relative to ship B?
Answer:
The importance of learning is that it helps the individual to acquire the necessary skills through learning and knowledge so that he can achieve his set goals. An important fact about learning is that it is a means to improve knowledge and gain skills that will help in reaching specific goals.
Explanation:
The importance of learning is that it helps the individual to acquire the necessary skills through learning and knowledge so that he can achieve his set goals. An important fact about learning is that it is a means to improve knowledge and gain skills that will help in reaching specific goals.
The mass and weight of box is 25 Kg and 245 N respectively when on Earth. What is the value of mass and weight of the box when it is brought to the moon?
Answer:
25 (kg) and 40.5 (N).
Explanation:
1) the value of 'g' on the Earth is ~9.81 (N/kg), the value of 'g' on the Moon is ~1.62 (N/kg).
It means, the mass is not depended on the value of 'g', but the weight is depended on it.
2) the mass on the Moon is the same, 25 kg.
the weight is 25*1.62=40.5 N
Match the technology that uses radio waves to the field in which it is used.
research
communication
broadcasting
medicine
navigation
Correct!
AM and FM stations
CB radios
magnetic resonance imaging
global positioning system
radio telescopes
Calculate the man’s mass. (Use PE = m × g × h, where g = 9.8 N/kg.)
A man climbs a wall that has a height of 8.4 meters and gains a potential energy of 4,620 joules. His mass is about
kilograms.
A man gains 4,620 joules of potential energy by climbing an 8.4-meter-high wall. He weighs around 56.06 kilograms.
What is potential energy?The potential energy is the due to the virtue of the position and the height. The unit for the potential energy is the joule.
The potential energy is found as;
The potential energy is mainly depending upon the height of the object.
potential energy = mgh.
\(\rm 4620=m \times 9.81 x 8.4 \\\\ m = 4620/(9.81 \times 8.4) \\\\ m=\frac{4620}{82.4} \\\\\ m=56.06 kg\)
Hence the value of his mass will be 56.06 kg.
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A ball is dropped from a height of 10m .At the same time, another ball is thrown vertically upward at an initial speed of 10m/sec .How high above the ground will the two ball collide?
The height the two balls will collide at 5.1 m above the ground after travelling for 1 second
Calculating the heights of the ball.Let's assume that the upward direction is positive, and the downward direction is negative. We can use the kinematic equations of motion to solve the problem.
For the ball that is dropped, we can use the equation:
y = y₀ + v₀t + 1/2 at²
Where:
y = final position (unknown)y₀ = initial position = 10mv₀ = initial velocity = 0 m/s (since it is dropped)a = acceleration due to gravity = -9.8 m/s² (negative since it is acting in the downward direction)t = time taken (unknown)Therefore, the equation becomes:
y = 10 + 0t - 1/2 (9.8)t²
For the ball that is thrown upward, we can use the equation:
y = y₀ + v₀t + 1/2 at²
where:
y = final position (unknown)y₀ = initial position = 0 mv₀ = initial velocity = 10 m/s (since it is thrown upward)a = acceleration due to gravity = -9.8 m/s² (negative since it is acting in the downward direction)t = time taken (unknown)Therefore, the equation becomes:
y = 0 + 10t - 1/2 (9.8) t²
Since both balls will collide at the same height, we can equate the two equations to solve for t and y.
10 - 1/2 (9.8) t² = 10t - 1/2 (9.8) t²
Simplifying the equation, we get:
10t = 10
t = 1 second
Substituting t = 1 second into either equation, we get:
y = 10 * (1) - 1/2 (9.8) * (1)²
y = 5.1 meters
Therefore, the two balls will collide at a height of 5.1 meters above the ground.
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The first P-wave of an earthquake travels 5600 kilometers from the epicenter and arrives at a seismic station at 10:05 a.m. At what time did this earthquake occur?
Ahhhhhh I have a Regent's test in 2 hours and I don't know how to solve this type of question! Any help would be appreciated.
Anyone know what the steps to do this are? I dont even need an answer, just how to get to it. Thank you!
The earthquake would occur 13 minutes before 10:05 a.m. which will be at 9.52 am.
The p-waves travel with a constant velocity of 7 km/s
The time can be calculated by using the formula
t = d / v
where
T1 = 10:05 a.m
d is the distance they take to travel from the epicenter
v is the speed of the p-waves
On average, the speed of p-waves is
v = 7 km/s
d = 5600 km (given)
Substituting the values in the formula;
t = d / v
t = 5600 ÷ 7
t = 800 seconds
Converting into minutes,
t = 800 ÷ 60
t = 13.3
≈ 13 mins
T1 - 13 mins = T2
10:05 - 13 mins = 9.52 am
It means the earthquake occurred prior 13 minutes, that is at 9.52 am.
Therefore, the earthquake occurred at 9.52 am.
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In the circuit below, identify how the resistors are connected and then identify the quantity that must always be the same for these resistors.
In the circuit below, the resistors are connected in the series combination and the battery is parallel to the resistor.
What is circuit?Circuit is defined as a closed circuit or route that connects electrical parts and permits the movement of electrons. The term "circuit" can broadly be used to describe any ongoing path via which electricity, data, or a signal might go.
The current flowing through each resistor when two resistors are linked in series is the same. The two resistors divide the voltage from the battery. More resistors in a series circuit increase total resistance, which reduces current.
Thus, in the circuit below, the resistors are connected in the series combination and the battery is parallel to the resistor.
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If the potential energy is 2000 J with a mass of 7 kg, what is the height of the object?
Answer: Height of object = 29.13475
Hope this helps!
Answer: 29.12 Meters.
Explanation:
Potential energy = Mass * Gravity * Height. | (P=mgh)Rearrange the equation for height: H=(p/(g*m))Place the values: H=(2000J)/(9.81 * 7kg)Answer equals 29.12MPLEASE HELP
Suri, a scientist at NASA, created models of each planet. The models contain the same properties as the actual planets, but at a smaller scale. The first property being tested is the density of the planets. Suri places each planet into a container of water. Which planet will float on top of the water?
A) Mercury
B) Venus
C) Neptune
D) Saturn
Answer:
Explanation:
Let's turn to the table of planetary densities:
Saturn will float in the water ( 0.7 g/cm³ < 1.0 g/cm³)