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CBSE Class 9 Answered

ball drops from a height of 50 m .find time taken to reach the ground?
Asked by | 09 Jun, 2008, 11:48: PM
answered-by-expert Expert Answer

use the formula

s= ut + at2/2

u-----inital velocity which is zero

a----acceleration due to gravity which is 9.8m/sec2

t  is time

s is the height

put the values in the equation and calculate the time taken.

Answered by | 11 Jun, 2008, 12:39: PM
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