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OpenStudy (anonymous):
MEDAL GIVEN TO CORRECT ANSWER. A dog pushes against the front door for 1.5 seconds with a force of 215 N. What impulse has the dog applied to the door? A. 143 kgm/s B. 85.2 kgm/s C. 14.8 kgm/s D. 323 kgm/s
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OpenStudy (anonymous):
choice D
OpenStudy (anonymous):
f=dp/dt---->dp=215*1.5 ------> D=correct
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