Question

When a bullet strike on window pane it make a small hole on it. But pebbles shutters it completely why?

Answer 1

HEY THERE.........
HERE IS YOUR ANSWER..........
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☜☆☞ There's something called the "Impact" or the "Impulse" factor.....basically a measure of force multiplied by the time of application of force.....
A bullet has very less impulse factor due to its time of contact, but has enough momentum to break the glass.......
A stone on the other hand has huge momentum and has enough contact time with the glass for its force to be spread around the glass from its point of contact, thereby shattering it starting from the point of contact......

Try the samwe thing with a small stone,.......... doesnt happen due to less momentum....... but you maybe able to see cracks from the point of contact, due to the spread of the impact force.........

HOPE MY ANSWER HELPS YOU..........
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Answer 2

Bullet makes a small hole because it is escaped from the gun at high speed at a particular place and keeps the remaining pane at rest and a stone does not make a small hole because the force is less in throwing stone rather than bullet and keep the window pane in motion