This question is not from above mentioned topics , it is from previous year.
Q. A particle moves in x-y plane under the influence of a force such that its linear momentum is p(t)=[i cos (t)- j sin (alpha t)] beta , where alpha and beta are constants. What is the angle between force and momentum?
Asked by Kb Aulakh | 27th Apr, 2015, 11:20: PM
Hence, the angle between force and momentum is 90º
Answered by Priyanka Kumbhar | 28th Apr, 2015, 10:57: AM
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