Question

Is kinetic energy of a body is increased by 300% what percentage will linear momentum of body increase

Answer 1

Answer:

increases by 100%

Explanation:

p= (2mKE)^1/2

here p is momentum and KE is kinetic energy

initially

p=2mKE

now ke is increased by 300%

so KE × 300/100

=3KE

Hence new KE is

KE"= KE +3KE

= 4KE

Now

p"= (2mKE")^1/2

= (2m4KE)^1/2

=2(2mKE)^1/2

p" = 2p

So % change in momentum is

p"-p/p ×100

2p-p/p ×100

=100%

Hope I was able to solve your doubt

Answer 2

see the attachment for your answer

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