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i. Will the velocity of a stone thrown v...

i. Will the velocity of a stone thrown vertically upwards remian constant or will it change with time? How will it change?
ii. Why doesn't the stone move up all the time? Why does it fall down after reaching a certain height?
iii. What does its maximum height depend on?

Text Solution

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i. The velocity of the stone thrown vertically upward will not remain constant. It will decrease with time tillit becomes zero.
ii. When the stone is thrown vertically upwards, the gravitational force tries to pull it down and reduces its velocity. due to this constant downward pull, the velocity becomes zero after a while. The pull continues to be exerted and teh ston starts moving vertically downward towards the centre of the eath under the infuence.
iii. The maximum height hte stone can achieve depends on the initial velocity with which the stone is thrown vertically upwards.
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