Two seconds after projection a projectile is travelling in a direction inclined at $30^o$ to horizontal, after one more second it is travelling horizontally. What is the magnitude and direction of its velocity at initial point
Two seconds after projection a projectile is travelling in a direction inclined at $30^o$ to horizontal, after one more second it is travelling horizontally. What is the magnitude and direction of its velocity at initial point
- A
$20 \sqrt 3 \,m/s, 30^o$
- B
$20 \sqrt 3 \,m/s, 60^o$
- C
$10 \sqrt 3 \,m/s, 30^o$
- D
$10 \sqrt 3 \,m/s, 60^o$
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