Multiple Choice
As shown in the figure,a bullet of mass 0.010 kg moving horizontally suddenly strikes a block of wood of mass 1.5 kg that is suspended as a pendulum.The bullet lodges in the wood,and together they swing upward a vertical distance of 0.40 m.The length of the string is 2.0 m.What was the speed of the bullet just before it struck the wooden block?
A) 67 m/s
B) 250 m/s
C) 370 m/s
D) 420 m/s
E) 650 m/s
Correct Answer:

Verified
Correct Answer:
Verified
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