A particle moves in the xy-plane under t...

A particle moves in the xy-plane under the action of a force F such that the components of its linear momentum p at any time t and `p_(x)=2cos` t, `p_(y)=2sin` t. the angle between F and p at time l is

`90^@`

`0^@`

`180^@`

`30^@`

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