Question

If the error in the measurement of momentum of a particle is (+100%), then the error
measurement of kinetic energy is
(a) 100%
(b) 200%
(c) 300%
(d) 400%
​

Answer 1

Answer:

Momentum is proportional to the product of mass and velocity whereas the Kinetic Energy is proportional to the product of mass and square of velocity. If the error in measurement of momentum is +100%, that means the the momentum has been measured as '2x' instead of 'x'.

Explanation:

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