1.5 lb 1.5 lb Vo VO 0.25 lb 0.25 lb 36 in. 10 in. 24 in. (1) (2)

Q: surface height is 25 inches from the floor. She lifts this box at a rate of four lifts per minute.…

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Q: M, L 60°

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Q: Problem 4.. The 4-kg rod AB is hanging in the vertical position. A 2-kg block, sliding on a smooth…

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Q: 1. A block with mass 750g is thrown from 8m height with initial velocity Vo= 10.7 î+25.5 ĵ and a…

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Q: A hot-air balloonist, rising vertically with a constant velocity of magnitude 5.0 m/s, releases a…

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Q: Q7. The uniform 7.9-kg slender bar with a length of 3.5 m is pinned at point O. It is initially at…

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Q: A chain, which weights 1 kg and is 1 m long, is lowered from a height of 1.5 m. How big is the force…

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Q: mass m is released from rest from point A and slides with negligible friction down the circular rod…

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Q: A large ball of mass M = 0.96 kg and initial velocity v (m-s-1) collides plastically with a small…

A: Given: M = 0.96 kg m = 0.13 kg h = 0.56 m To find: V = ?

Q: Q4. A 400-kg car (car A) traveling at 20 m/s overtakes a 800-kg car (car B) traveling at 10 m/s in…

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Q: 30

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Q: 16. A rod of mass M-2.5 kg and length L can rotate about a hinge at its left end and is initially at…

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Q: A block B of mass m (see Figure 1) can slide freely on a frictionless arm OA which rotates in a…

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Q: Q7. The uniform 6.2-kg slender bar with a length of 2.7 m is pinned at point O. It is initially at…

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Q: Three spheres, each with a mass of m , can slide freely on a frictionless, horizontal surface.…

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Q: A rod in horizontal position has two equal solid spheres of mass ms and radius R. attached to both…

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.