Physics, asked by maheahjntuh613, 9 months ago

Bullet moving with a velocity of400m/s can penetrate a fixed wooden block 5cm deep. The velocity of the bullet when it was penetrated 3cm

Answers

Answered by sara6313

0

Explanation:

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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