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A bullet moving with a velocity …

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A bullet moving with a velocity of 10ms is brought to rest after penetrating a wooden plank of 4cm thickness the retardation of the bullet is
  • 1 answers

Yogita Ingle 6 years ago

v =10 m/s , u = o and s  = 4 cm = 0.04 m
V2 - u2 = 2as
(10)2 - (0)2 = 2 a (0.04)
- 100 = 0.08a
a = -100/0.08
a= -1250 m/s2

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