stone is dropped from a height h it travels a distance of 3 in last second of its journey to the ground find time of fall to ground
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Answer:
Time Taken: 2 seconds
Explanation:
In the last second v = 0
u = ?
g = 9.8 m/s^2
t = 1 second
v = u + at
0 = u + 9.8 * 1u
= 9.8 m/s
When it is dropped from height h,
its u = 0
v = 9.8 m/s
g = 9.8
t = ?
v = u + at
9.8 = 9.8 *t
t = 1 second
So , total time taken = 2 seconds.
Hope it helps.
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