A 7.50-kg bowling ball strikes a 5.20-kg pin. The pin flies ...

[Jramos095]

A 7.50-kg bowling ball strikes a 5.20-kg pin. The pin flies forward with a velocity of 4.00 m/s; the ball continues forward at 5.50 m/s. What was the original velocity of the ball?
 a. 11.3 m/s
  b. 8.27 m/s
  c. 0.128 m/s
  d. 1.34 m/s
  e. 4.61 m/s

Question 2

In a partially elastic collision between two objects with unequal mass:
 a. the velocity of one will increase by the amount that the velocity of the other decreases.
  b. the momentum of one will increase by the amount that the momentum of the other decreases.
  c. the energy of one increases by the amount that the energy of the other decreases.
  d. the total momentum of the system will decrease.

[SAUXC]

Answer to Question 1

b

Answer to Question 2

b

[Jramos095]

TYSM

[Bigfoot1984]

Excellent