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MOTION-WORK, POWER & ENERGY -QUESTIONS FOR PRACTICE
- If the coefficient of kinetic friction is 0.21, how much work do you d...
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- A crane lifts a 650-kg beam vertically upward 23 m and then swings it ...
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- A spring has spring constant k = 200 N//m. How much work does it take ...
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- A spring has spring constant k = 200 N/m. How much work does it take t...
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- An object is displaced along a straight line from point A (2 m, 1 m , ...
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- A skier starts from the top of a hill with speed 5m//s and slides down...
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- An object of mass 4 kg moving along x-axis crosses origin with 4 m/s t...
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- An object of mass 4 kg moving along x-axis crosses origin with 4 m/s t...
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- Initially block shown is at rest and the spring is unstretched, when a...
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- Initially block shown is at rest and the spring is unstretched, when a...
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- In figure a spring with k = 168 N//m is in its relaxed length and is a...
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- In figure a spring with k = 168 N//m is in its relaxed length and is a...
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- A block of mass m = 2.0 kg is dropped from height h = 40 cm onto a spr...
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- A chain of length L and mass Mis arranged as shown in following four c...
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- A particle is constrained to move in the region x ge 0 and its potenti...
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- A particle is constrained to move in the region x ge 0 and its potenti...
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- A force F=-K(yhati+xhatj) (where K is a positive constant) acts on a p...
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- A block starts from rest at point A , slides down a frictionless incl...
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- A horse pulls a cart upto 200m in 5 minutes, exerting a force of 750N ...
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- An 900-kg roller-coaster car is launched from a giant spring of consta...
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