At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?

At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?

Options

(a) 45゚
(b) 60゚
(c) 90゚
(d) 120゚

Correct Answer:

45゚

Explanation:

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