How much work does gravity do on a 0.140-kg ball falling from a height of 23.0 m? (Neglect air resistance.)

Q: In a time t=17.00 s, a 66.0-kg student runs at a steady pace up two flights of stairs whose combined…

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Q: need asap pls A 5.0 kg experiences an applied force of (3i + 7j) N as it slides across a horizontal…

A: Given: Applied force, F=3i + 7j N Displacement across a horizontal surface, d=7.0 m   To determine…

Q: A worker pushes horizontally on a large crate with a force of 250 N, and the crate is moved 3.0…

A: A worker pushes horizontally on a large crate with a force of 250 N, and the crate is moved 3.0…

Q: After scoring a point, a rugby catcher, weighing 84 kg, celebrates by jumping 1.20 m on the ground.…

A: Given : m = 84 kg h = 1.20 m

Q: how much work did the movers do (horizontally) pushing a 46 kg crate 11.9 m across a smooth floor…

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Q: If you pushed a cart for 6.76 meters along an incline of angle 55.21 by applying a force of 54.17…

A: Given : Angle of incline (Θ) = 55.21o Force (F)= 54.17 N Displacement along the incline (d) = 6.76 m

Q: A crate of mass 95.6 kg is pushed along a floor with a force of 30 N for a distance of 18.5 m.…

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Q: The work done by a fielder when he takes a catch in a cricket match, is negative. Explain.

A: Write the expression for the work done.

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.430 m…

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Q: A person lifts a 25 kg box of old sports equipment at an angle of 75 degrees to the vertical to a…

A: Mass of box (m) = 25 kg Angle to the vertical (θ) = 75 degree Height above the ground (h)= 2.6 m

Q: An apple weighing 1 N falls throughas a distance of 1 m. How much work is done on the apple by the…

A: weight of apple(W)= 1N Distance(d)=1m Work done=F.d=Fdcosθ F is force θ is angle between force and…

Q: How much work is required to throw a ball with a mass of 0.27 kg 30.4 m/s? Assume the ball starts…

A: Work done = change in K.E Work done = (K.E)f -(K.E)i                   = 1/2mvf2-1/2mvi2…

Q: Why do you do no work on a 25-kg backpack when you walk a horizontal distance of 100 mm?

A: When a person is carrying a backpack, the weight of the backpack is in the vertical direction. But…

Q: The handle of a vegetable wagon makes an angle of 35.0 degrees with the horizontal.if the peddler…

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Q: A crane lifts a 425 kg steel beam vertically upward a distance of 95 m. How much work does the crane…

A: The work done by the crane can be calculated using following steps:Given:

Q: A mouse of mass 30.0 g falls 130 m down a vertical mine shaft and lands at the bottom with a speed…

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Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.670 m…

A: The work done is given by  Work = force x displacement

Q: How much work is required to throw a ball with a mass of 0.46 kg 33.1 m/s? Assume the ball starts at…

A: Given Mass of ball = 0.46 kg Initial velocity of ball = 0 m/s Final velocity of ball = 33.1 m/s We…

Q: a 75.8 kg person runs up a flight of stairs having a rise of 5.3 m in a time of 4.5 s. What average…

A: Given data: Mass (m) = 75.8 kg Height (h) = 5.3 m Time (t) = 4.5 s Required: The average power (P)

Q: A 51-kg woman runs up a flight of stairs in 5.0 s. Her net upward displacement is 5.0 m. How much…

A: Answer Given  Mass m = 51 kg Time t = 5 s Height h = 5 m

Q: A 5.7 kg box is pushed sideways with a force whose magnitude is 191 N.  When the box has slid 0.5 m,…

A: Mass of the box,  Magnitude of the force,  Displacement of the box,    The work done by the push is…

Q: A worker pushes horizontally on a large crate with a force of 195 N, and the crate is moved 4.0 m.…

A: Given data: The applied force is F=195 N. The distance moved is s=4 m.

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.460 m…

A: Step 1Let F be the force applied on the can of soup and d be the horizontal distance it travels

Q: In climbing up a rope, a 62-kg athlete climbs a vertical distance of 5.0 m in 9.0 s. What minimum…

A: Given Data: The mass of an athlete is m=62 kg The vertical distance is, d=5 m The time required to…

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 4.0m?

A: Work done by force F in moving object distance d is given by,  W =F.d = F×d×cosθ Where, θ is the…

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m…

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Q: How much work is done by gravity when dead lifting a 100.0 kg barbell 81.54 cm from the floor to hip…

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Q: If you pushed a cart for 3.34 meters along an incline of angle 11.51 by applying a force of 29.67…

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Q: A body having 7 kg of mass moves with a velocity of 20 m/s covers a vertical height of 8.75 m. What…

A: Given data:  Mass, m = 7kg   velocity, v = 20m/s   Height, h = 8.75m   g = 10m/s2

Q: How much work does a sled dog do if she pulls with a force of 55 N on a horizontal track over a…

A: Here, Force and displacement are in the same direction, Therefore, Work done= Force x Distance…

Q: What is the average power supplied by a 60 kg person running up a flight of stairs a vertical…

A: The person’s average power can be determined as, Here, W and t represent the work done and the…

Q: A 3.1kg ball was dropped from an unknown heigh to the ground, find the work done by the gravity…

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Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 9 m across a smooth floor…

A: Given Mass of the object  (m) = 46 kg Distance traveled = 9m

Q: 11 3.0 m A 200 kg piano 3.0 m up a frictionless 200 incline at a constant speed? How much work is…

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Q: A ball is dropped from the top of a building at 14m, and is in free fall. If the ball is 1.2kg, find…

A: Given : Height of a building (h) = 14 m Mass of a ball (m) = 1.2 kg

Q: Find the work done by gravity when a rock with mass m = 5kg falls a distance of 7m.

A: Given data: Mass (m) = 5 kg Distance (h) = 7 m Required: Work done by gravity

Q: Why does the force of gravity does no work on a car that rolls down a hill but no work when it rolls…

A: Actually there is a small mistake in the given question. The question is the force of gravity does…

Q: A mouse of mass 20.0 g falls 160 m down a vertical mine shaft and lands at the bottom with a speed…

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Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m…

A: Force, F=5 N magnitude of displacement, d=0.6 m Angle between the force and displacement, θ=0° Work…

Q: How much work does gravity do on a 0.190-kg ball falling from a height of 15.0 m? (Neglect air…

A: Consider the mass of the ball be m, the weight of the ball be w, and height or distance of the ball…

Q: How much work does gravity do on a 0.150 kg ball falling from a height of 10 m? (Neglect air…

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