aball thrown up vertically returns to the thrower after 4 seconds Find the velocity with which it was thrown up
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aball thrown up vertically returns to the thrower after 4 seconds Find the velocity with which it was thrown up
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The ball returns to the ground after 6 seconds.
Thus the time taken by the ball to reach to the maximum height (h) is 3 seconds i.e t=3 s
Let the velocity with which it is thrown up be u
(a). For upward motion,
v=u+at
∴ 0=u+(−10)×3
⟹u=30 m/s