A 5.25-g bullet is fired into a 360-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 8.75 cm. What was the magnitude of the momentum of the combined mass immediately after the collision?
a. 0.338 kgm/s
b. 0.471 kgm/s
c. 0.478 kgm/s
d. 0.626 kgm/s
e. 0.239 kgm/s
Question 2
Three satellites are launched into space connected together. Once in deep space, an explosive charge separates the three satellites and they move apart. The satellites each have different masses with m1 < m2 < m3 . Which of the following statements is always true?
a. The one with mass m1 receives the greatest impulse.
b. The one with mass m3 receives the greatest impulse.
c. The all must receive equal impulses.
d. Although one or more of the above statements could be true in special cases, they are not always true.
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