A physicist drops astone off the top of cliff over looking a lake. She hears the splash 4 second after releasing the stone?
1 answer:
Answer:
Height of cliff(h) = 80 meter (Approx)
Explanation:
Given:
Time taken t = 4 sec
Gravitational acceleration = 10 m/s (Approx)
Find:
Height of cliff(h)
Computation:
h = ut + 1/2(g)(t)²
Height of cliff(h) = (0)(4) + 1/2(10)(4)²
Height of cliff(h) = 80 meter (Approx)
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