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A projectile is projected at 30º from horizontal with initial velocity 40 ms –1 . The velocity of the projectile at t = 2s from the start will be : (Given g = 10 m/s 2 )

1. 3 40 ms –1
2. zero
3. 20 ms –1
4. 3 20 ms –1

Correct answer: 3 20 ms –1

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