The loaded cab of an elevator has a mass of 4.70 × 103 kg and moves 191. m up the shaft in 24.0 s at constant speed. At what average rate does the force from the cable do work on the cab?

Q: A person pushes a 17.5-kg shopping cart at a constant velocity for a distance of 34.0 m on a flat…

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Q: oaded ore car has a mass of 1200 kg and rolls on rails with negligible friction. It starts with an…

A: he power is defined as the rate that exists between the work done on a system, and the time it…

Q: Several children are on a sled pulled by a four-wheeler across a level snow-covered field. The sled…

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Q: A constant 89.3-N force acts on a 3.49-kg box. The box initially is moving at 20.5 m/s in the…

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Q: An escalator is 30.0 meters long and slants at 30.0° relative to the horizontal.  If it moves at…

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Q: Several children are on a sled pulled by a four-wheeler across a level snow-covered field. The sled…

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Q: A constant 81.8-N force acts on a 3.70-kg box. The box initially is moving at 11.3 m/s in the…

A: Applying Work-Kinetic Energy theorem:- Work done by the force(W)=Change in KE of the object Hence,…

Q: A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from…

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Q: A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from…

A: The work done during the uniform acceleration phase can be calculated using the work-energy theorem,…

Q: A 2400-kg pile driver is used to drive a steel beam into the ground. The pile driver falls 3.00 m…

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Q: A fully-loaded, slow-moving freight elevator has a cab with a total mass of 1700 kg, which is…

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Q: Carter's 13.0 kg sister Meg sits on a rug. Carter pulls the rug across the floor using a rope that…

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Q: A 5.40-kg block is set into motion up an inclined plane with an initial speed of v, = 8.60 m/s (see…

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Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

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Q: A 27.0-kg child on a 4.00-m-long swing is released from rest when the ropes of the swing make an…

A: a)Given the length of the swing is 4m. Given it makes an angle of 25 degrees when it is released.…

Q: Several children are on a sled pulled by a four-wheeler across a level snow-covered field. The sled…

A: Distance traveled by the sled is

Q: A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 3.40 m…

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Q: The loaded cab of an elevator has a mass of 2.50 x 10° kg and moves 214. m up the shaft in 25.0 s at…

A: Number : 214    units : kilo watt

Q: aded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from rest…

A:

Q: A shopper pushes a grocery cart 39.12 m on level ground, against a 29.95 N frictional force. The…

A: Given , magnitude of displacement is∆r = 39.12mMagnitude frictional force is f= 29.95NMass of cart…

Q: A man drags a table 4.20 m across the floor, exerting a constant force of 46.0 N, directed 35.0°…

A: Given data:  Displacement (d) = 4.20 m Force applied (F) = 46.0 N Angle (θ) = 35.0° above the…

Q: A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from…

A: (a) Calculate the force required to move the car up the rails. F = mg * sin(29)   = 950 * 9.81*…

Q: 3. A 500-kg elevator is descending with a speed of 4.0 m/s when the winch system that lowers it…

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Q: In 1960, a woman in Tampa, Florida, makes one end of a car that had fallen on her son when he broke…

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Q: A 2000-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 10.00 m…

A: Given information:Mass of pile drive, mpd=2000 kgInitial distance of the driver(yid)=10+0.3=10.3…

Q: A car is pushed by a force of 38.0 N exerted on the handles that make an angle of 42 degrees with…

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Q: How much work was done by the person against Gravity?

A: Initially the center of mass is at a height, The center of mass ends at a height of

Q: A fully elevator cabin has a mass of 1200 kg. In 3.0 minutes, the cabin must be raised to a height…

A: Given data The mass of the cabin is mc = 1200 kg The height of the cabin raised is H = 54 m The…

Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A: Given  Initial speed = u=0  Final speed=v = 6.90 m/s  Distance travelled,d = 15.6 m  Coefficient of…

Q: Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable…

A: Write the given values with the suitable variables.Here, m, u, v, and d are the mass, initial speed,…

Q: A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from…

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Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given data: Mass (m) = 4.0 kg Constant Speed (v) = 5.0 m/s Height (h) = 8.0 m g = 10 m/s2

Q: A constant 77.7-N force acts on a 5.80-kg box. The box initially is moving at 26.0 m/s in the…

A: Given data:  Force (F) = 77.7 N Mass (m) = 5.80 kg Initial velocity (v0) = 26.0 m/s Final velocity…

Q: The loaded cab of an elevator has a mass of 4.80 × 10³ kg and moves 227. m up the shaft in 27.0 s at…

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Q: A 185 kg refrigerator is placed inside a mobile freight transport by pushing it up on a 10.0 m ramp…

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Q: A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two…

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Q: a 1400 kg block of granite is pulled up an incline at a constant speed of 1.34 m/s by a cable and…

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Q: Several children are on a sled pulled by a four-wheeler across a level snow-covered field. The sled…

A: Given:-  The speed of the sled is v = 9.35 m/s is constant  The tow rope [ parallel to the ground ]…

Q: Fis A 4.8 kg body is at rest on a frictionless horizontal air track when a constant horizontal force…

A: Given   mass of the body m=4.8kg  initial speed of the body u=0m/s

Q: Several children are on a sled pulled by a four-wheeler across a level snow-covered field. The sled…

A: Distance traveled by the sled is d= vt     =( 9.35 m/s)(10.5 s)     = 98.175 m

Q: A 4.20–kg block is set into motion up an inclined plane with an initial speed of vi = 7.60 m/s (see…

A: a)The required change in kinetic energy is,

Q: A constant 82.5-N force acts on a 6.54-kg box. The box initially is moving at 20.5 m/s in the…

A: