A bullet initially moving with a velocity of 30m/s strikes a target and comes to rest after penetrating a distance of 0.02m in the target. Calculate the retardation produced by the target.
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u=30m/s
v=0
s=0.0
using equation (v) square-(u)square =2as
0 -30square =2a ×0.02
0-900=0.04a
-900÷0.04 = a
-45000=a
v=0
s=0.0
using equation (v) square-(u)square =2as
0 -30square =2a ×0.02
0-900=0.04a
-900÷0.04 = a
-45000=a
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