MOTION UNDER GRAVITY
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MOTION IN A STRIGHT LINE

269731 Two bodies are projected simultaneously with the same velocity of\(19.6 \mathrm{~m} / \mathrm{s}\) from the top of a tower, one vertically upwards and the other vertically downwards. As they reach the ground, thetime gap is

1 \(0 \mathrm{~s}\)
2 \(2 \mathrm{~s}\)
3 \(4 \mathrm{~s}\)
4 \(6 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269732 Two bodies begin to fall freely from the same height. The second one begins to fall\(\tau \mathbf{s}\) after thefirst. The timeafter which the 1st body begins to fall, the distancebetween the bodies equals to \(I\) is

1 \(\frac{1}{g \tau}+\frac{\tau}{2}\)
2 \(\frac{g \tau}{\mathrm{l}}+\tau\)
3 \(\frac{\tau}{\lg }+\frac{2}{\tau}\)
4 \(\frac{g}{1 \tau}+\frac{\tau}{2}\)
MOTION IN A STRIGHT LINE

269733 A balloon is going upwards with velocity 12\(\mathrm{m} / \mathrm{sec}\). It releases a packet when it is at a height of \(65 \mathrm{~m}\) from the ground. How much timethe packet will taketo reach the ground \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{sec}^{2}\right)\)

1 \(5 \mathrm{sec}\)
2 \(6 \mathrm{sec}\)
3 \(7 \mathrm{sec}\)
4 \(8 \mathrm{sec}\)
MOTION IN A STRIGHT LINE

269734 A body thrown up withsomeinitial velocity reaches a maximum height of \(50 \mathrm{~m}\). A nother body with double the mass thrown up with double the initial velocity will reach a maximum height of

1 \(100 \mathrm{~m}\)
2 \(200 \mathrm{~m}\)
3 \(400 \mathrm{~m}\)
4 \(50 \mathrm{~m}\)
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MOTION IN A STRIGHT LINE

269731 Two bodies are projected simultaneously with the same velocity of\(19.6 \mathrm{~m} / \mathrm{s}\) from the top of a tower, one vertically upwards and the other vertically downwards. As they reach the ground, thetime gap is

1 \(0 \mathrm{~s}\)
2 \(2 \mathrm{~s}\)
3 \(4 \mathrm{~s}\)
4 \(6 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269732 Two bodies begin to fall freely from the same height. The second one begins to fall\(\tau \mathbf{s}\) after thefirst. The timeafter which the 1st body begins to fall, the distancebetween the bodies equals to \(I\) is

1 \(\frac{1}{g \tau}+\frac{\tau}{2}\)
2 \(\frac{g \tau}{\mathrm{l}}+\tau\)
3 \(\frac{\tau}{\lg }+\frac{2}{\tau}\)
4 \(\frac{g}{1 \tau}+\frac{\tau}{2}\)
MOTION IN A STRIGHT LINE

269733 A balloon is going upwards with velocity 12\(\mathrm{m} / \mathrm{sec}\). It releases a packet when it is at a height of \(65 \mathrm{~m}\) from the ground. How much timethe packet will taketo reach the ground \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{sec}^{2}\right)\)

1 \(5 \mathrm{sec}\)
2 \(6 \mathrm{sec}\)
3 \(7 \mathrm{sec}\)
4 \(8 \mathrm{sec}\)
MOTION IN A STRIGHT LINE

269734 A body thrown up withsomeinitial velocity reaches a maximum height of \(50 \mathrm{~m}\). A nother body with double the mass thrown up with double the initial velocity will reach a maximum height of

1 \(100 \mathrm{~m}\)
2 \(200 \mathrm{~m}\)
3 \(400 \mathrm{~m}\)
4 \(50 \mathrm{~m}\)
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MOTION IN A STRIGHT LINE

269731 Two bodies are projected simultaneously with the same velocity of\(19.6 \mathrm{~m} / \mathrm{s}\) from the top of a tower, one vertically upwards and the other vertically downwards. As they reach the ground, thetime gap is

1 \(0 \mathrm{~s}\)
2 \(2 \mathrm{~s}\)
3 \(4 \mathrm{~s}\)
4 \(6 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269732 Two bodies begin to fall freely from the same height. The second one begins to fall\(\tau \mathbf{s}\) after thefirst. The timeafter which the 1st body begins to fall, the distancebetween the bodies equals to \(I\) is

1 \(\frac{1}{g \tau}+\frac{\tau}{2}\)
2 \(\frac{g \tau}{\mathrm{l}}+\tau\)
3 \(\frac{\tau}{\lg }+\frac{2}{\tau}\)
4 \(\frac{g}{1 \tau}+\frac{\tau}{2}\)
MOTION IN A STRIGHT LINE

269733 A balloon is going upwards with velocity 12\(\mathrm{m} / \mathrm{sec}\). It releases a packet when it is at a height of \(65 \mathrm{~m}\) from the ground. How much timethe packet will taketo reach the ground \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{sec}^{2}\right)\)

1 \(5 \mathrm{sec}\)
2 \(6 \mathrm{sec}\)
3 \(7 \mathrm{sec}\)
4 \(8 \mathrm{sec}\)
MOTION IN A STRIGHT LINE

269734 A body thrown up withsomeinitial velocity reaches a maximum height of \(50 \mathrm{~m}\). A nother body with double the mass thrown up with double the initial velocity will reach a maximum height of

1 \(100 \mathrm{~m}\)
2 \(200 \mathrm{~m}\)
3 \(400 \mathrm{~m}\)
4 \(50 \mathrm{~m}\)
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MOTION IN A STRIGHT LINE

269731 Two bodies are projected simultaneously with the same velocity of\(19.6 \mathrm{~m} / \mathrm{s}\) from the top of a tower, one vertically upwards and the other vertically downwards. As they reach the ground, thetime gap is

1 \(0 \mathrm{~s}\)
2 \(2 \mathrm{~s}\)
3 \(4 \mathrm{~s}\)
4 \(6 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269732 Two bodies begin to fall freely from the same height. The second one begins to fall\(\tau \mathbf{s}\) after thefirst. The timeafter which the 1st body begins to fall, the distancebetween the bodies equals to \(I\) is

1 \(\frac{1}{g \tau}+\frac{\tau}{2}\)
2 \(\frac{g \tau}{\mathrm{l}}+\tau\)
3 \(\frac{\tau}{\lg }+\frac{2}{\tau}\)
4 \(\frac{g}{1 \tau}+\frac{\tau}{2}\)
MOTION IN A STRIGHT LINE

269733 A balloon is going upwards with velocity 12\(\mathrm{m} / \mathrm{sec}\). It releases a packet when it is at a height of \(65 \mathrm{~m}\) from the ground. How much timethe packet will taketo reach the ground \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{sec}^{2}\right)\)

1 \(5 \mathrm{sec}\)
2 \(6 \mathrm{sec}\)
3 \(7 \mathrm{sec}\)
4 \(8 \mathrm{sec}\)
MOTION IN A STRIGHT LINE

269734 A body thrown up withsomeinitial velocity reaches a maximum height of \(50 \mathrm{~m}\). A nother body with double the mass thrown up with double the initial velocity will reach a maximum height of

1 \(100 \mathrm{~m}\)
2 \(200 \mathrm{~m}\)
3 \(400 \mathrm{~m}\)
4 \(50 \mathrm{~m}\)