A bullet of mass 50 g is fired with a speed 100 m/s on a|JEE Main 2024 (06 Apr Shift 1)

A bullet of mass
50
g
is fired with a speed
100
m
/
s
on a plywood and emerges with
40
m
/
s
. The percentage loss of kinetic energy is :
JEE Main 2024 (06 Apr Shift 1)

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