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Question

If a body of mass is m, linear momentum is p and kinetic energy is K, then which of the following expressions is true?

The correct answer is

p = √2Km

The correct expression is p = √2Km. This is derived from the relationship between linear momentum and kinetic energy in physics.

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Important Questions from Work Power and Energy

  1. A boy raises a box with a weight of 120 N from a height of 2 m. The work done by him is ________.

  2. While releasing the arrow from a stretched bow, the Potential Energy of the bow is converted into?

  3. Which is the main source of almost all energy on Earth?

  4. Area under constant velocity – time curve equals ________ of the object over a given time interval.

  5. Work done by conservative force is equal to

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