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Physics 7 Online
OpenStudy (anonymous):

A particle moves with velocity 5i − 3j − 6k under the influence of a constant force F = 20i + l0j + 15k. What is the instantaneous power applied to the particle? the answer is 160 but how???

OpenStudy (vincent-lyon.fr):

In order to get 160 W of power, force should be F = 20i + l0j − 15k

OpenStudy (anonymous):

i was thinking that too! there must have been a typo

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