Question:
A ball is thrown from the top of a building of height 25 m with an initial velocity of 15 m/sec. If the height of the ball h from ground at any point of time t is given by \(h=25+10t-3t^2\). The time taken by the ball to reach the ground is
A ball is thrown from the top of a building of height 25 m with an initial velocity of 15 m/sec. If the height of the ball h from ground at any point of time t is given by \(h=25+10t-3t^2\). The time taken by the ball to reach the ground is
Updated On: May 17, 2024
- 15 sec
- 10 sec
- 5 sec
- \(\frac{5}{3}\ \text{sec}\)
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The Correct Option is C
Solution and Explanation
The correct option is (C): 5 sec
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