Solve the following question:
Asked by nkrbasak | 18th Sep, 2011, 01:05: PM
Expert Answer:
Let initial velocity of the bullet be u and constant retardation be a.
After penetrating 3 cm its velocity becomes = u/2
From v2 = u2 - 2as
(u/2)2 = u2 - 2as
.·. a = u2/8
Let further it will penetrate through distance x and stops at some point
0 = (u/2)2 - 2 (u2/8)x
.·. x = 1 cm
After penetrating 3 cm its velocity becomes = u/2
From v2 = u2 - 2as
(u/2)2 = u2 - 2as
.·. a = u2/8
Let further it will penetrate through distance x and stops at some point
0 = (u/2)2 - 2 (u2/8)x
.·. x = 1 cm
Answered by | 18th Sep, 2011, 02:13: PM
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