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Physics
Physics
Problem
From a lift moving upwards with a uniform acceleration
a
=
2
ms
−
2
a=2\,\text{ms}^{-2}
a
=
2
ms
−
2
, a man throws a ball vertically upwards with a velocity
v
=
12
ms
−
1
v=12\,\text{ms}^{-1}
v
=
12
ms
−
1
relative to the lift. The ball comes back to the man after a time
t
t
t
. Find the value of
t
t
t
in seconds.
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