A particle of mass m is initially at rest at the origin. It is subjected to a force and starts moving along the x - axis. Its kinetic energy changes with time as d K d t = γ t , where γ is a positive constant of appropriate dimensions. Which of the following statements is (are) true?

The distance of the particle from the origin increases linearly with time

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A force $F = 50 N$ is applied at one end of a string, the other end of which is tied to a block of mass $10 kg$ . The block is free to move on a frictionless horizontal surface.
Take initial instant as $θ = 30 °$ and final instant as $θ = 37 °$ . For the time between these two instants

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A particle of mass

m

is initially at rest at the origin. It is subjected to a force and starts moving along the x - axis. Its kinetic energy changes with time as

\frac{d K}{d t} = γ t,

where

γ

is a positive constant of appropriate dimensions. Which of the following statements is (are) true?

A force F=50 N is applied at one end of a string, the other end of which is tied to a block of mass 10 kg. The block is free to move on a frictionless horizontal surface. Take initial instant as θ=30° and final instant as θ=37°. For the time between these two instants

Important Questions on Work, Energy and Power

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A force $F = 50 N$ is applied at one end of a string, the other end of which is tied to a block of mass $10 kg$ . The block is free to move on a frictionless horizontal surface.
Take initial instant as $θ = 30 °$ and final instant as $θ = 37 °$ . For the time between these two instants