Math, asked by pranavjumin29, 9 months ago

A bullet moving with a velocity of 400m/s can penetrate a fix wooden block 5cm deep.The velocity of bullet when it has penetrated 3cm is.

Answers

Answered by abhishek142734

0

Answer:

change in kinetic energy =mgh

final is zero

so...

1/2mv2=mgh

m is cancel out

so..

v2=gh×2

v2= 0.3×2

v2=0.6

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