Question on: JAMB Physics - 2016
A projectile is fired from the ground level with a velocity of 300ms-1 at an angle of a 30o to the horizontal.
Calculate the time taken to reach the maximum height?
[g = 10ms-2]
A
30s
B
20s
C
25s
D
15s
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Correct Option: D
t = (\frac{u sin\theta}{g}) = (\frac{300 \text {sin} 30}{10}) = 15s
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