A particle is projected with certain velocity making an angle o with t

1.	A particle is projected with certain velocity making an angle o with the horizontal. After 0.5 s its velocity vector is v= (7i+2j) m/s. The angle of projection is (g=10m/s2) in degrees is a-30b-60c-45d-37 ans is 45degree how ?
Answer» ANSWER: HOPE it HELPS..... have a NICE DAY

A particle is projected with certain velocity making an angle o with the horizontal. After 0.5 s its velocity vector is v= (7i+2j) m/s. The angle of projection is (g=10m/s2) in degrees is a-30b-60c-45d-37 ans is 45degree how ?

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ANSWER:

HOPE it HELPS.....

have a NICE DAY

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A particle is projected with certain velocity making an angle o with the horizontal. After 0.5 s its velocity vector is v= (7i+2j) m/s. The angle of projection is (g=10m/s2) in degrees is a-30b-60c-45d-37 ans is 45degree how ?​

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A particle is projected with certain velocity making an angle o with the horizontal. After 0.5 s its velocity vector is v= (7i+2j) m/s. The angle of projection is (g=10m/s2) in degrees is a-30b-60c-45d-37 ans is 45degree how ?