1.

From a pole of height 10 m, a stone is thrown vertically upwards with a speed 5 m/s. The time taken by the stone, to hit the ground, is n times that taken by it to reach the highest point of its path. The value of n is \[[take\text{ }g=10\text{ }m/{{s}^{2}}]\]

A. 2                     
B. 3    
C. 4                     
D. 5
Answer» D. 5


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