Asked by solexgirl12
Midterm review time!
I just can't manage to get this question.
"A 12kg shopping cart rolls due south at 1.5m/s, 30 degrees E of S. What is the magnitude of the change in momentum sustained by the shopping cart?"
I know momentum equals the mass times the change in velocity, but I'm not sure how to get the correct velocity?
I just can't manage to get this question.
"A 12kg shopping cart rolls due south at 1.5m/s, 30 degrees E of S. What is the magnitude of the change in momentum sustained by the shopping cart?"
I know momentum equals the mass times the change in velocity, but I'm not sure how to get the correct velocity?
Answers
Answered by
drwls
Unless there was some previously different speed or direction, and some sort of collision, there is no change in momentum.
Did you omit a previous set of facts about this problem? Was there some sort of event that is "sustained" ?
Did you omit a previous set of facts about this problem? Was there some sort of event that is "sustained" ?
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