A balloon is moving vertically up with the velocity of of 20m/s determine the height of the balloon at the time t=40seconds
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u=0
v=20
t=40
a= v-u/t
0.5m/s^2
s= ut+1/2at^2
400m
v=20
t=40
a= v-u/t
0.5m/s^2
s= ut+1/2at^2
400m
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