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Q: An athlete lifts a 410 N set of weights from ground level to a position over her head, a vertical…
A: Given data: Weight = 410 N Distance (d) = 1.90 N Weight moved at constant speed Required: Work done…
Q: III When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work…
A: Given data, Area A=0.45 m2 Velocity v=7.3 m/s Drag coefficient Cd=0.9 Time t=1 hr=60×60=3600 s
Q: From the energy equation obtain the work W, spent on friction.
A: Conservation of energy Wf=∆KE+∆PE=12mv2-u2+mghf-hi=mv2-u22+ghf-hi
Q: Part A A graph depicts force versus position. What represents the work done by the force over the…
A: Here we have been given a Force vs Position diagram where Force is along the positive y-axis &…
Q: A certain rain cloud at an altitude of 2.10 km contains 3.20 107 kg of water vapor. How long would…
A:
Q: A 735-N Marine in basic training climbs a 8.5-m vertical rope at a constant speed in 6.75 s. What is…
A: FINAL ANSWER: THE FINAL OUTPUT POWER IS 926.1W.Explanation:
Q: As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a…
A:
Q: A7.3 kg raccoon climbs a 6.9 m tall tree in 22.5 s, how much work does the raccoon do
A: given mass of raccoon m = 7.3 kg height to climb h = 6.9 m time taken t= 22.5 s work done W = mgh…
Q: a.)How much work is done by the environment in the process shown in the figure? b)Is energy…
A: Part a.
Q: As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a…
A:
Q: If a person of mass 100.0kg climbs a 2.0m high set of stairs in 4.0s, how much power do they…
A: Given, Mass of person m = 100 Kg height of stairs h = 2 m time to climb stairs t = 4 s We know…
Q: A floating ice block is pushed through a displacement á = (27.0 m )î – (22.0 : j along a straight…
A: Given data: Displacement d→ = 27.0mi^ -22.0mj^ Force F→ = 178Ni^ -152Nj^ Required: Work done
Q: A 950 N crate slides 12 m at constant speed down a ramp that is tilted 35° above horizontal. Part A…
A: Weight of object is Object slides down a ramp at constant speed.The distance traveled by object is…
Q: Suppose a 443 g kookaburra (a large kingfisher bird) picks up a 74 g snake and raises it 2.3 m from…
A: Work done by a force to raise an object to a height is called the potential energy of the object
Q: If I lower a weight to the ground, the total work I provide is: A. positive B. negative C. zero
A: If i lower a book on the ground then work provide by me is negetive. Because the force given by me…
Q: The electric motor of a model train accelerates the train from rest to 0.520 m/s in 30.0 ms. The…
A:
Q: Assume g = 10 m/s² A 0.27 kg toy car is moving at 3.6 m/s when it rolls over a rug. It leaves the…
A:
Q: The electric motor of a model train accelerates the train from rest to 0.560 m/s in 33.0 ms. The…
A: Given : Initial speed (vi) = 0 because train starts from rest Final speed (vf) = 0.560 m/s Time (t)…
Q: A model train powered by an electric motor accelerates from rest to 0.640 m/s in 22.0 ms. The total…
A: Given Information,Initial Velocity u=0Final Velocity v =0.64 m/stime(t) = 22 ms = 22×10-3…
Q: A projectile is launched from the edge of a cliff with a velocity of 15.0 m/s at an angle of 30.0…
A: Given Data:- Initial velocity of the projectile is vi=15.0 m/s. The projectile is launched at an…
Q: A cart for hauling ore out of a gold mine has a mass of 445 kg, including its load. The cart runs…
A:
Q: In 1990 Walter Arfeuille from Belgium lifted a 281.5 kg object along a 17.1 cm distance using only…
A:
Q: A. Suppose you lift a 15 kg box by a height of 1.0 m. How much work do you do in lifting the box?…
A: (a) The work done in lifting the box is
Q: f you apply a force of 10 N to a box and push it 10 m in 10 s, how much power did you deliver?
A:
Q: A model train powered by an electric motor accelerates from rest to 0.600 m/s in 26.0 ms. The total…
A: The initial velocity of the train v=0 m/s The final velocity of the train v=0.600 m/s The time taken…
Q: A hummingbird hovers by exerting a downward force on the air equal, on average, to its weight. By…
A:
Q: A 500 kg piano is lifted from the ground to a height of 10 m. Find the work done on the piano.
A:
Q: A boy throws a ball of mass 0.23 kg straight upward with an initial speed of 26 m/s. When the ball…
A: The initial and the final heights of the ball are the same. So, the change in mechanical energy will…
Q: Pulling a Block on an Incline with Friction A block of weight mg sits on an inclined plane as shown…
A: We are authorized to solve only three sub parts at a time. If you want the solution of all. Please…
Q: 4. In a tug-of-war match, your team is slowly pulling the rope (and the other team) to your side. a.…
A: a. As your team applies a force and there is displacement ( as the other team moves toward your…
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- Mount McKinley (also called Denali) is the tallest mountain in North America, with a height of 6,200 m above sea level. If a person of mass 113 kg walks from sea level to the top of Mount McKinley, how much work is done by gravity on the person? JThe electric motor of a model train accelerates the train from rest to 0.680 m/s in 15.0 ms. The total mass of the train is 830 g. Find the average power delivered to the train during its acceleration. WQ1 A shopper in a supermarket pushes a cart with a force of 30.0 N directed at an angle of 25.0° below the horizontal. The force is just sufficient to balance various friction forces, so the cart moves at constant speed. Find the work done by the shopper on the cart as she moves down a 52.6-m-long aisle.
- A force, varying with distance as shown in the graph below, acts on a 5.5 kg object. When is most work done, in the first 4 meters or between 4 and 6 meters? Explain your response. a. 4.0 3.0 2.0 1.0 b. Find the work done by the force in moving the object from 0 m to 6.0 m. Explain your calculation and give units. 2.0 4.0 6.0 8.0 Positien Cr Figure 9-15 Assuming that there is no friction or air resistance what is the total change in the object's energy? Explain your answer. с. kinetic FORCE (N)A 1.77 kg book slides 1.25 m along a level surface. The coefficient of kinetic friction between book and surface is 0.145 Part A Find the work done by friction Express your answer with the appropriate units. ? HA Value Units W = Request Answer Submitanswer must be in proper format oe i will give down vote
- Q8. A 100-kg file cabinet is sliding down on a frictionless ramp, it moves a distance of 8.0 m. During this process, Clearly show all work! a) what is the work done by the normal force? b) what is the work done by the weight force?D c) What is the net work? What is the final speed of the file cabinet? 10.0⁰The electric motor of a model train accelerates the train from rest to 0.660 m/s in 16.0 ms. The total mass of the train is 665 g. Find the average power delivered to the train during its acceleration. WThe force on a particle is directed along an x axis and given by F = Fo(x/xo - 1) where x is in meters and F is in Newtons. If Fo = 1.5 N and x = 5.8 m, find the work done by the force in moving the particle from x = 0 to x = 2x m. Number i Use correct number of significant digits. The tolerance is ± 1 in the 2nd significant digit. Units Assistance Used
- The force on a particle is directed along an x axis and given by F = Fo(x/xo - 1) where x is in meters and F is in Newtons. If Fo= 1.4 N and xo = 2.3 m, find the work done by the force in moving the particle from x = 0 to x = 2x0 m. Number i UnitsHelp2. A spring that has spring constant k = 360 N/m is compressed by x = 9 cm. When the spring is released, all its energy is transferred to a 22 g marble ball.