Physics, asked by Anonymous, 7 months ago

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Answered by AnonymousR

2

Answer:

Mass of the bullet is mb = 50gm =0.05kg

Initial velocity of bullet in = 100m/s

Final velocity is vb = 0 m/s

(1)Initial momentum of bullet pi = mb vb = 5K gm/s

(2) Final momentum of bullet pf = mb vb =0.05×0=0

(3) Retardation occured by the wooden blocks is

v2 - u2 =2as

-(100)2 = 2a(0.02)

a= -250000 m/s2

(4) resistive force

F = ma

= 0.05× -250000

=12500N

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