Ignoring friction, how much work is required to lift an elevator car with a mass of 1050 kg from a height of 22.0 m above the ground to a height of 68.8 m above the ground?

Q: An elevator has a mass of 3,000 kg and moves 210 m up in 27 s at constant speed.  At what average…

A: Given m=3000kg x=210m t=27s

Q: A force acting on an object moving along the x axis is given by Fₓ= (14ₓ-3ₓ²)N where x is in M.…

A: The force acting on an object moving along the x-axis is given as,

Q: When an 75.7-kg adult uses a spiral staircase to climb to the second floor of his house, his…

A: The objective of the question is to find out the increase in gravitational potential energy of a…

Q: To push a 35 kg crate up a frictionless incline, angled at 18° to the horizontal, a worker exerts a…

A: Given Mass = 35 kg Angle = 18° Force = 127.2 N Crate slide distance = 1.5 m

Q: A 130 kg crate slides down a ramp, starting from rest. The ramp is inclined at an angle of 27.8…

A: Given : Mass of crate = 130 kg             Angle  = 27∘             Coefficient of kinetic friction…

Q: helicopter lifts a 80 kg astronaut 17 m vertic (a) How much work is done on the astr (b) How much…

A: GivenMass of Astronaut, m=80 kgDistansed moved vertically, d=17 mAcceleration of Astronaut, a=g10

Q: Juana slides a crate along the garage floor. The coefficient of kinetic friction between the crate…

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Q: When an 78.8-kg adult uses a spiral staircase to climb to the second floor of his house, his…

A:

Q: A helicopter lifts a 87 kg astronaut 19 m vertically from the ocean by means of a cable. The…

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Q: The force on an object is given by the equation Fix) = 4.32 N/m^2 x^2 - 7.32 N/m x +12.3 N. what is…

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Q: Acontainer with a mass of 5 kg is lifted to a height of 8 m How much work is done by the…

A: Given, Mass, m=5 kg Height, h=8 m To Find: Work done by gravitational force and external force…

Q: To push a 29.0 kg crate up a frictionless incline, angled at 25.0° to the horizontal, a worker…

A: The energy of the crate at the bottom of the incline, just before the worker starts applying force=0…

Q: When an 85.4-kg adult uses a spiral staircase to climb to the second floor of his house, his…

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Q: A force of 18.8 N is applied to a 2.50-kg cart to pull it a distance of 1.57 m up an inclined plane…

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Q: A person pulls a crate 49.4 meters along a horizontal floor by a constant force 103.2 N, which acts…

A: Given Data Displacement of the crate is d=49.4 m Applied force on the crate is Fa=103.2 N Angle of…

Q: A student lifts a 1.26-kg book from her desk to a bookshelf. If the gravitational potential energy…

A: The mass of book is given as, m=1.26 kg, The gravitational potential energy of Book-Earth system is…

Q: When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his…

A:

Q: A force of 20.0 N acts on a 5.0 kg object through a parallel distance of 1.3 m. How much work is…

A: Given:- Force = 20 N mass of object =5 kg   parallel distanace=1.3 m  Find:- How much work is done…

Q: A helicopter lifts a 85 kg astronaut 13 m vertically from the ocean by means of a cable. The…

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Q: To compress a spring 5.0 cm from its unstretched length, 18.0 J of work must be done. (a) What is…

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Q: A helicopter lifts a 65 kg astronaut 18 m vertically from the ocean by means of a cable. The…

A: F   to denote the upward force exerted by the cable on the astronaut. The force of the cable is…

Q: You are loading a refrigerator weighing 2.29×103 N onto a truck, using a wheeled cart. The…

A: The component of weight is Wsinθ along the incline as shown The applied force must counter this…

Q: A person pulls a crate 43.5 meters along a horizontal floor by a constant force 112.3 N, which acts…

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Q: An object slides on an inclined plane that has a slope of 30 degrees. The height of one end of the…

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Q: An electric elevator with a hoist at the top has a steel cable which weigh 3kg/m. The total height…

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Q: A man pushes a lawn mower on a level lawn with a force of 193 N. If 51% of the force is directed…

A: We know that work done W=Fd