A force of 20N applied over a period of 4 seconds would have the same impulse as:
A) A force of 30N applied over 2 seconds
B) A force of 10N applied over 10 seconds
C) A force of 40N applied over 2 seconds
D) A force of 60N applied over 1 second
E) A force of 90N applied over 1 second
Correct Answer:
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