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A particle is projected at an angle thet...

A particle is projected at an angle `theta =30^@` with the horizontal, with a velocity of `10ms^(-1)`. Then

A

after 2 s the velocity of particle makes an angle of `60^(@)` with initial velocity vector

B

after 1s the velocity of particle makes an angle of `60^(@)` with initial velocity vector

C

the magnitude of velocity of particle after 1s is 10m/s

D

the magnitude of velocity of particle after 1s is 5m/s

Text Solution

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The correct Answer is:
B, C
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