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Standard XII
Physics
The Dominating Component
A ball of mas...
Question
A ball of mass 0.4kg thrown up in air with velocity 30m/s reaches the highest point in 25 seconds. The air resistance encountered by the ball during upward motion is?
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Q.
When a ball is thrown upwards, the time,
T
seconds, during which the ball remains in the air is directly proportional to the square root of the height,
h
metres, reached. We know
T
=
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e
c
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m
. If the ball is thrown upwards and remains in the air for
5
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A ball of mass 3 kg is thrown upwards with a speed of 10 m/s. When the ball reaches the highest point, the work done on it by the gravity will be
Q.
A ball is thrown vertically upwards with a velocity of
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s
from a height of
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g
=
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2
, the time taken by the ball to reach the ground is
Q.
A coin tossed in the air with a velocity of 30 m/s reaches back to the thrower in 0.4 sec. What is the highest point reached by the coin?
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