Homework Help: principles of physics

Posted by britches on Sunday, February 19, 2012 at 5:03pm.

A truck moves with a certain momentum. If both its speed and its mass are doubled, how much greater is its momentum?
A) Two times.
B) Four times.
C) Eight times.
D) Unchanged, the same.

principles of physics - Henry, Tuesday, February 21, 2012 at 3:42pm
M = mV.
M = 2m*2V = 4mV.
Therefore the ans. is B.

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