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work, energy and power. a block of mass m initially at rest is dropped fro. A block of mass m m initially at rest is dropped from a height h h on to a spring of force constant k k. The maximum compression in the spring is x x then: BCECE 2005. mgh= 1 2kx2 m g h = 1 2 k x 2. mg(h+x) = 1 2kx2 m g ( h + x) = 1 2 k x 2. Q. A particle of mass M = 0.2 k g is initially at rest in the x y-plane at a point (x = − ℓ, y = − h), where ℓ = 10 m and h = 1 m. The particle is accelerated at time t = 0 with a constant acceleration a = 10 m / s 2 along the positive x-direction. Its angular momentum and torque with respect to the origin, in SI units, are represented. A particle shows distance-time curve as shown in the figure. Then match the columns : Column I. Solution. At time t = O, the particle passes through the origin , moving in. is in. 5ms-2. (D) u = - ve, and a = - ve. A particle moving along a straight line is subjected to a deceleration a=-2v^3 m /s2..
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