A 3.13 kg object is dropped, from rest, from a height of 11.7 m above the ground. Assuming air-resistance does -14.3 J of work on the object as it falls to the ground. What is the kinetic energy of the object just before it hits the ground?

Q: s of a Y-stick and a light leather cup containing a stone. The cup is pulled back against two…

A: GivenF=15 Nx=-1.0 cm=-0.01 mTwo bandsMass of stone, m=50 g=0.05 kgPulled back againx'=-0.2 m

Q: A basketball player makes a jump shot. The 0.550-kg ball is released at a height of 1.90 m above the…

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Q: A 24.0 kg object is initially traveling at 3.50 m/s. Exactly one minute later the object is…

A: According to work-energy theorem, work done on object during one minute is equal to the change in…

Q: A bag of wheat weight 320 kg. To what height should it be raised so that potential energy is 6790J?…

A: Given data :                Acceleration due to gravity    =   g                  Potential energy…

Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.01 m above the…

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Q: A 2,400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m…

A: GIVEN:- Mass of pile driver = 2400 kg Hight by which pile driver falls before coming into contact…

Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.01 m above the…

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Q: A 190 g object is dropped from a height of 7 meters. Calculate the potential and kinetic energy of…

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Q: A 24.0 kg object is initially traveling at 3.50 m/s. Exactly one minute later the object is…

A:

Q: A 2400-kg pile driver is used to drive a steel beam Into the ground. The pile driver falls 6.00 m…

A: mass of pile driver (m) = 2400 kg Height of pile driver before coming in contact with top of beam…

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: A car weighing 500 kg moving against a resistance of 500 N, accelerates from rest to 20 m/s in 100…

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Q: 0.31-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 7.8 J at point B. (a) What…

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Q: A mouse of mass 200 g falls 120 m down a vertical mine shaft and lands at the bottom with a speed of…

A: Mass of mouse , MA = 200 g = 0.2 kg Depth , d = 120 m  speed , v = 8.5 m/s   To find = work done on…

Q: A 57 kg man runs up a flight stair having a rise of 4.5 m in 3.5 s. what average power must he…

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Q: object of mass 3.0 kg is dropped from a certain height. Just before it strikes the ground it has a…

A: According to conservation of energy Total energy of isolated system remains constant.

Q: A 0.41-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.0 J at point B. (a)…

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Q: A 2.93 kg object is dropped, from rest, from a height of 13 m above the ground. Assuming…

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Q: A bag of wheat weight 290 kg .To what height should it be raised so that potential energy is 7680 J?…

A: Given data :  Potential energy  =  7680 J  Mass   =  m  Acceleration  due to gravity  =  g        To…

Q: A mouse of mass 176 g falls 92 m down a vertical mine shaft and lands at the bottom with a speed of…

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Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.02 m above the…

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Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…

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Q: A 492 kg rollercoaster car starts at rest atop a 38-meter hill. Find the total mechanical energy,…

A: Given data:  Mass (m) = 492 kg Initial velocity (v) = 0 m/s Height of first hill (h) = 38 m Height…

Q: A 50 kg object has 1,800 J of potential energy when it is released and allowed to fall to the…

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Q: A bag of wheat weight 450 kg .To what height should it be raised so that potential energy is 8950J ?…

A: Write the given values with the suitable variables. m=450 kgP=8950 J Here, m is the mass and P is…

Q: A 700 N Marine soldier in basic training course climbs a 10.0 m vertical rope at a constant speed in…

A: Given, Weight of Marine soldier =W=700 N Height of climbing=h=10.0 m Time is taken by the soldier to…

Q: A 65.70 kg baseball player begins his slide into second base when moving at a speed of 6.090 m/s.…

A: Mass of the player, m = 65.7 kg Initial speed, u = 6.09 m/s Final speed, v = 0 m/s   From the…

Q: A bag of wheat weighs 200 kg. To what height should it be raised so that potential energy is 9800 J?…

A: Given data:  Mass (m) = 200 kg Potential energy (U) = 9800 J Acceleration due to gravity (g) = 9.8…

Q: A 2 kg object initially at rest is pushed along a frictionless surface by a constant force of 10 N…

A: Mass of object is Initially object is at rest.Force applied on object is Distance covered by object…

Q: A 76.0-kg hiker is descending a mountain that has a peak altitude of 2350 m above sea level. The…

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Q: basketball playet makes a jump shot. The 0.600 kg ball is released at a height of 2.08m above the…

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