7. A stone is dropped down a deep well from rest. The well is 50m deep. How long
will it take to reach the bottom of the well?
Given a = 9.8m/s2
Answers
Answered by
0
Answer:3.2 seconds
Explanation:
Answered by
2
Answer:
10sec
Explanation:
from the eq.
s = ut+1/2at² ----(2 eq)
50 = 0(t) + 1/2(9.8)(t)
50 = 4.9t
t = 50/4.9
t = 10.2sec
t = 10 sec (approx.)
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