Calculate the work done on a 1500-kg elevator car by its cable to lift it 50.0 m up at constant speed, assuming friction averages 100 N.

Q: A 5 kg object is pulled diagonally with 20 degrees angle by a 12N force on a surface with a…

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Q: A 4.4-kg block is pushed 3.5 m up a vertical wall with constant speed by a constant force of…

A: Given information:Mass of the block (m) = 4.4 kgCoefficient of friction between the block and the…

Q: A train of total weight 300 tons travels up a 1 :200 incline. The total frictional resistance can be…

A: We will first find the incline, and then the component of force acting along the inclined plane. The…

Q: A block of mass 50kg slides over a horizontal distance of 1m. If the coefficient of friction between…

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Q: (a) Calculate the work done (in J) on a 1700 kg elevator car by its cable to lift it 41.0 m at…

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Q: F=30N 25°

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Q: If it takes 5.00 J of work to stretch a Hooke’s-law spring 10.0 cm from its unstressed length,…

A: Given that, The work done to stretch a spring 10 cm from its unstressed length is 5 J. We need to…

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 horizontal force of 150 N is used to push a 38.0-kg packing crate a distance of 7.00 m on a rough…

A: (a) The work done by the force is

Q: A 10 kg mass is given an initial speed of 10 m/s up a 30o incline plane with coefficient of friction…

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Q: A cable exerts a constant upward tension of magnitude1.25 x 104 N on a 1.00 x 103-kg elevator as it…

A: Given,The magnitude of upward tension, T=12500NMass of the elevator, m=1000kgThe distance the…

Q: Ali is pushing a wooden box of weight 78N for 2m on a rough floor using a horizontal force of 120 N.…

A: weight of box = m g = 78 NDisplacement = S = 2 mhorizontal force = F = 120 Ntotal work = W = 190 J

Q: The Outlaw Run roller coaster in Branson, Missouri, features atrack that is inclined at 81° below…

A: Given,

Q: If it takes 5.00 J of work to stretch a Hooke's-law spring 10.0 cm from its unstressed length,…

A: Given,

Q: (a) Calculate the force needed to bring a 1050 kg car to rest from a speed of 80.0 km/h in a…

A: a)The required force from work energy theorem,

Q: An elevator has a rated capacity of 1000 kg. It can transport people at the rated capacity between…

A: Given data m=1000 kgd=5 mt=7 sec

Q: (a) Calculate the work done (in J) on a 1200 kg elevator car by its cable to lift it 38.0 m at…

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Q: A cable exerts a constant upward tension of magnitude 1.04 x 10^4 N on a 1.60 x 10^3  kg elevator as…

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Q: A hummingbird hovers by exerting a downward forceon the air equal, on average, to its weight. By…

A: Given,

Q: (a) Calculate the work done (in J) on a 1200 kg elevator car by its cable to lift it 38.0 m at…

A:

Q: A horizontal f orce of 140 Newton is needed to pull a 60.0 kilogram box across a horizontal floor at…

A: Given,Mass of the box, m = 60.0 kgHorizontla Force, F = 140 Nbox is moving with constant speed.

Q: A winch has a maximum power output of 500 W. It is dragging a 200 kg crate up a slope inclined at…

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Q: Pulling a cube of weight (356N) a distance (610cm) on flat ground with a constant launch after…

A:

Q: ASK YOU A 7.80 g bullet is initially moving at 620 m/s just before it penetrates a block of wood to…

A: Given data: Mass of bullet is, m=7.80 g=7.80×10-3 kg. Initial speed of bullet is, u=620 m/s. Depth…

Q: A horizontal force of 150 N is used to push a 47.5-kg packing crate a distance of 5.00 m on a rough…

A: Given:Mass of the packing crate = 47.5 kgForce applied = 150 NDistance moved by the crate = 5 mSpeed…

Q: The crate of mass m= 31 kg is at rest at A on the theta=7o incline. The coefficients of static and…

A: Given,

Q: A horizontal force of 150 N is used to push a 41.5-kg packing crate a distance of 6.05 m on a rough…

A: Step 1It is given that Force, F = 150 NWeight of crate, W = 41.5 kgDistance travelled by the crate,…

Q: A 60 kg box has an initial velocity of 12 m/s up a 60-degree inclined plane at an initial height of…

A: Given data: Mass of the box m=60 kg Initial velocity u=12 m/s Initial height =0  Angle θ=60° The…

Q: You are biking along a country road whenyou reach the base of a bridge travelling at 5.00 m/s. At…

A: (a)According to the work-energy theorem, the total work done must be equal to the change in kinetic…

Q: Compute the minimum power necessary to operate a ski lift that carries skiers along a 45.0 slope.…

A: Given value--- slope = 45 degree.  weight = 700 N. speed = 5 m/s. No. of skiers = 100 . We have to…

Q: Calculate the work done (in J) on a 1550 kg elevator car by its cable to lift it 37.5 m at a…

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