Let h = distance (m) to the water surface.
Initial velocity, u = 0 (because the stone was dropped).
Use the formula
h = ut + (1/2)gt^2
where g = 9.8 m/s^2 (acc. due to graity)
t = time (s)
h = (1/2)*(9.8)*(3^2) = 44.1 m
Answer:
At night we experience quietness more. At this time, sounds of object will be heard more clearer
The answer is a.12.5kg because i just did the test and it was correct.
hope this helps
It’s cause by the fact that the earth is tilted 23.5 degrees
