Calculate the work done (in J) on a 1550 kg elevator car by its cable to lift it 37.5 m at a constant speed, assuming friction averages 115 N.   What is the work done (in J) on the lift by the gravitational force in this process?

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=3 m/s at a starting point.…

A: Given: mass of an object, m = 20 kginitial speed, vi = 3 m/sfinal kinetic energy, KEf = 122 J

Q: The loaded cab of an elevator has a mass of 3.0* 103 kg and moves 210 m up the shaft in 23 s at…

A: Given:  mass, m = 3 x 1000 = 3000 kg  distance, s = 210 m  time, t = 23 s

Q: A 1000N block was pushed by a force P of 1500N up an incline upward to the right at a slope of 3…

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Q: What is the coefficient of kinetic friction between a 16 kg box and the floor if it takes 150 J of…

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Q: The loaded cab of an elevator has a mass of 1.80 x 10³ kg and moves 225. m up the shaft in 23.0 s at…

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Q: our students of average mass 80 kg each are raised by the elevator in the ESB building, with the…

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Q: A 55 kg block is pulled along the ground for a distance of 7.1 m by a 89 N force at an angle of 41…

A: work done can be calculated as, W=Fdcosθ,

Q: A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (μk = 0.20) at constant…

A: Let the applied force on the system be Fapp.

Q: A man pulls a trolley through a distance of 50m by applying a force of 100N which makes an angle of…

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Q: A block of mass m is placed on a rough inclined surface making an angle of θ=43o with the…

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Q: A record for stair climbing was achieved by a man who raced up the 1600 steps of the Empire State…

A: Given data from question,  Number of steps = 1600 Height = 320m Time taken = 10.2min Weight of man =…

Q: A 2 kg block is pushed 4.0 m along a horizontal floor by a force of magnitude 25 N at an angle…

A: Apologies. We only answer three parts at a time. we will answer the first three as the exact one…

Q: A box of mass m = 54.0 kg (initially at rest) is pushed a distance d = 59.0 m across a rough…

A: a)The equation for the work done by a force is given by, Using equation (2),

Q: A 19.8 kg block is dragged over a rough, horizontal surface by a constant force of 183 N acting at…

A: Work done by the frictional force is,

Q: In the figure below, a 0.250 kg block of cheese lies on the floor of a 891 kg elevator cab that is…

A: Let us write the relation for the resultant force.  F+FN+m-Mg=m+Ma                 1 The…

Q: A block of mass m is pushed at constant speed over the horizontal ground. If the kinetic friction…

A: Given data, Mass of the block = m displacement = s coefficient of kinetic friction=μ

Q: The loaded cab of an elevator has a mass of 3.0 × 10³ kg and moves 210 m up the shaft in 23 s at…

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Q: An object is subject to a force F = (571i − 101j) N such that 10,925 J of work is performed on the…

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Q: An elevator cab of mass m = 500 kg is descending with speed vi = 4.0 ms-1 when its supporting cable…

A: Mass, m = 500 kg Speed vi = 4.0 ms-1  Distance d=12 m Also given that supporting cable begins to…

Q: A block of mass m=3.9kg is placed on a rough inclined surface making an angle of θ=38o with the…

A: The work done by a force is given as W=F→.S→Where F is applied force and S is the displacement The…

Q: A block of mass m = 7.4 kg is placed on a rough inclined surface making an angle of 0 = 32° with the…

A: Mass of the block m=7.4 kg, inclination angle θ=32o, distance moved by the block d=6.7 m and…

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 loaded elevator has a total mass of 28 kg and is lighted to a height of 200 m in a time of 45s.…

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Q: A 20 kg box of books is pushed along a rough, horizontal surface by a constant force of 70N acting…

A: W=Fdcosθ=70 N3 mcos15°=204 J

Q: A 1.26E+2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of…

A: Along the horizontal direction,

Q: I need help with this homework problem.

A: Given Mass of the elevator m = 3.0 x 103 kg Distance travelled y = 245 m Duration t = 19 s

Q: A block of mass m = 3.1 kg is placed on a rough incline surface making an angle e = 13.5. with…

A: SOlution: Given that m = 3.1 kg angle = 13.5 degree coefficient of kinetic friction = 0.29

Q: What is the work done by the normal force if a 10 kg mass moves 10 m up an inclined plane with…

A: Work done is defined as the Scalar product of force and displacement. W = F•d

Q: A 2.00 kg block is released from rest on a ramp that is inclined at an angle of 60.0∘∘ below the…

A: mass of block = 2 kg θ = 60o below the horizontal Initial height (h) = 2 m initial velocity on the…

Q: A 2,000 kg car is traveling at a rate of 40 m/s when an external force of 22,750 N, opposite in…

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Q: A block of mass 3.57 kg is drawn at constant speed a distance 4.06 meters along a horizontal floor…

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Q: Compute the work required to stretch a spring from equilibrium to 12 cm past equilibrium, assuming…

A: Work done in either stretching or compressing the spring from its equilibrium position is stored in…

Q: What is the average useful power output (in w) of a person who does 6.80 x 106 J of useful work in…

A: Given: Work done by the person, W = 6.80 × 106 J time taken to complete it, t = 7.60 h = 7.60 h ×…

Q: A 32-kg block is pulled along the ground for a distance of 4.9 m by a 57 N force at an angle of 21…

A: a) work done by applied force  = 57×4.9×Cos21° = 260.75 J

Q: A sled plus passenger with total mass 70 kg is pulled 30 m across the snow (uk = 0.20) at constant…

A:

Q: A 2 kg block is pushed 4.0 m along a horizontal floor by a force of magnitude 25 N at an angle…

A:

Q: A block having a mass of 20 slug is projected up along a 20-degree inclined with an initial velocity…

A: Given, Mass of the block = 20 slug Angle of the incline = 20° Initial velocity of the block = 72.168…

Q: A 3 kg block is pushed along a horizonal surface by a constant force of magnitude 46 N that is…

A: Given Data : The mass of the block is given as m = 3 Kg. The magnitude of the force is given as F =…

Q: The loaded cab of an elevator has a mass of 2.40 × 103 kg and moves 181. m up the shaft in 28.0 s at…

A: Given: The mass of the loaded elevator is 2.4x103 kg. The time interval is 28 s. The displacement in…

Q: A 4.8 kg box has an acceleration of 1.8 m/s when it is pulled by a horizontal force across a surface…

A: Given that,mass, m=4.8 kgacceleration, a=1.8 ms2μk=0.50work done over distance=22 cmd=0.22 m…

Q: potential energy of a body

A:

Q: A 0.5-kg ball is thrown with a speed of 15.6 m/s at an angle 37.7 degrees. How high does it go? To…

A: Given: Mass of the ball m = 0.5 kg. The initial velocity of the ball v = 15.6 m/s. Angle of…

Q: Calculate the work done on a 1500 kg elevator car by its cable to lift it 40.0 m at constant speed,…

A: Given

Q: If an object is moved a distanced up an inclined plane at an angle of θ with respect to the…

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Q: The loaded cab of an elevator has a mass of 2.40 × 10° kg and moves 233. m up the shaft in 17.0 s at…

A: Given mass of a cab = 2.40 × 103 kg ddistance moved = 233 m time = 17 sec speed = constant We have…