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
Q13: A stone initially moving at 8.0 m/s
Q19: If a spring-operated gun can shoot a
Q31: A lightweight object and a very heavy
Q32: A heavy stone and a light stone
Q33: It requires 0.30 kJ of work
Q34: An 8.0-g bullet is suddenly shot
Q37: A traveler pulls on a suitcase
Q40: Two cyclists who weigh the same and
Q41: Find the how much mechanical energy
Q93: Two objects of different masses have momentum