A stone falls down from the top of a wall in 1 s to the ground
(g = 10 m/s2)
a) What is the speed of the stone just before it touches the ground?
b) Calculate the average speed when the stone is falling down
c) How much is the height of the wall?
Answers
Answered by
6
u=0 m/s
g=10 m/s^2
t=1 s
v=u+gt
v=10 m/s
h=ut+1/2gt^2
h=1/2*10*1^2
h=5 m
Average speed=Total height/Total time
=5/1 = 5 m/s
Answered by
1
Explanation:
=5/1=m/s short answer this a sHort answer
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