Question

# If the K.E. of a body is increased by $$300\%$$, its momentum will increase by _______.

A
100%
B
150%
C
300%
D
175%

Solution

## The correct option is A $$100\%$$Kinetic energy is given byK=V2/(2M)……………(1)When KE increases by 300%, the value of KE becomes 4 times it's original value. from equation (1) that v becomes 2V So, V increases by 100%.Physics

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