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in Physics by (121k points)
A particle moves in the `xy` plane under the influence of a force such that its linear momentum is `vecP(t) = A [haticos(kt)-hatjsin(kt)]`, where `A` and `k` are constants. The angle between the force and momentum is
A. `0^(@)`
B. `30^(@)`
C. `45^(@)`
D. `90^(@)`

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1 Answer

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by (122k points)
Correct Answer - D

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