An object is projected upward with a velocity of 100 ms. After what time will it strike the ground ? Use, g=10 ms -2
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Answered by
0
Answer:
Consider the equation of motion , v = u + at
acceleration is negative
Therefore, v = u -gt
t = (v – u)/-g
t = (0 – 100)/-10
t = 10 seconds
therefore the approximate time taken to reach the ground is 10 s + 10s = 20s seconds.
Answered by
2
Answer:
20s
Explanation:
T=2u/g=2×100/10=20s
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