Question

10) When the speed of a moving body is doubled
a) Its acceleration is doubled b)lts momentum is doubled
c)Its kinetic energy is doubled dits potential energy is doubled​

Answer 1

Answer:

D

Explanation:

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This is because ,

Initially y speed is equal to its momentum= mv

But when v is doubled = 2v

then momentum = 2mv

As mass is constant.

Hence,

Momentum is doubled .

For your knowledge

• K.E is increased by four times
• It's acceleration is also doubled.