Identical forces are exerted for the same length of time on two ...

[SO00]

Identical forces are exerted for the same length of time on two different objects. The magnitude of the change in momentum of the lighter object is
 
  A) smaller than the magnitude of the change in momentum of the larger mass object, but not zero.
  B) larger than the magnitude of the change in momentum of the larger mass object.
  C) exactly equal to the magnitude of the change in momentum of the larger mass object.
  D) zero.
  E) There is not enough information to answer the question.

Question 2

A wooden raft has a mass of 50 kg. When empty it floats in water (density 1000 kg/m3 ) with 69 of its volume submerged. What mass of sand can be put on the raft without it sinking?
 
  What will be an ideal response?

[popopong]

Answer to Question 1

C

Answer to Question 2

22 kg