A particle moves in the x-y plane under ...

A particle moves in the x-y plane under the action of a force `vecF` such that the value of its linear momentum `vecP` at any time t is `P_(x)=2` cost and `p_(y)=2sint`. What is the angle `theta` between `vecF` and P at a given time t?

`theta=0^(@)`

`theta=30^(@)`

`theta=90^(@)`

`theta=180^(@)`

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