A bullet hits a wall with a velocity of 20m/s and penetrates it up to a distance of 5cm . Find the deceleration of bullet in the wall
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f in the difference between the two input fields below you will have to go with you soon with more information please do not
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u= 20 m/s
v= 0
s = 5 cm = 0.05 m
from 3rd equation,
v² -u² = 2as
⇒0 - (20)² = 2×0.05×a
⇒0.1 a = - 400
⇒a = - 4000 m/s²
deceleration will be - 4000 m/s²
Explanation:
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