SIR\MADAM PLEASE EXPLAIN ME ABOUT THIS PROBLEM
Asked by
| 4th Nov, 2009,
08:06: PM
Expert Answer:
The speed V of the pendulum bob after the bullet has passed through is given by
MV = m(v - v/2) = mv/2
V = mv/(2M)
To swing all the way to the top,
(1/2) M V2 = M g (2L)
V2 = 4 L g = m2v2 /4M2
v 2= (16 L g M 2/m 2)
v = 4 (M/m) sqrt (Lg)
Answered by
| 25th Nov, 2009,
12:40: AM
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