MOTION UNDER GRAVITY
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
MOTION IN A STRIGHT LINE

269787 Astonethrown vertically up from theground reaches a maximum height of \(50 \mathrm{~m}\) in \(10 \mathrm{~s}\). Time taken by the stoneto reach theground from maximum height is

1 \(5 \mathrm{~s}\)
2 \(10 s\)
3 \(20 \mathrm{~s}\)
4 \(25 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269789 A bodyis projected with a velocity u. It passes through a certain point above the ground in \(t\) sec. Thetimeafter which thebody passesthrough thesamepointduring thereturn journey

1 \(\left(\frac{u}{g}-t_{1}^{2}\right)\)
2 \(2\left(\frac{u}{g}-t_{1}\right)\)
3 \(3\left(\frac{u^{2}}{g}-t_{1}\right)\)
4 \(3\left(\frac{u^{2}}{g^{2}}-t_{1}\right)\)
MOTION IN A STRIGHT LINE

269790 A boy throws a ball in air in such a manner that when the ball is at its maximum heighthethrows another ball. If theballs sarethrown with the timedifference 1 second, the maximum height attained by each ball is

1 \(9.8 \mathrm{~m}\)
2 \(19.6 \mathrm{~m}\)
3 \(4.9 \mathrm{~m}\)
4 \(2.45 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269803 The friction of the air causes a vertical retardation equal to\(10 \%\) of the acceleration due to gravity. Take \(g=10 \mathrm{~m} / \mathrm{s}^{2}\). The maximum height and time to reach the maximum height will bedecreased by

1 \(9 \%, 9 \%\)
2 \(11 \%, 11 \%\)
3 \(9 \%, 10 \%\)
4 \(11 \%, 9 \%\)
MOTION IN A STRIGHT LINE

269787 Astonethrown vertically up from theground reaches a maximum height of \(50 \mathrm{~m}\) in \(10 \mathrm{~s}\). Time taken by the stoneto reach theground from maximum height is

1 \(5 \mathrm{~s}\)
2 \(10 s\)
3 \(20 \mathrm{~s}\)
4 \(25 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269789 A bodyis projected with a velocity u. It passes through a certain point above the ground in \(t\) sec. Thetimeafter which thebody passesthrough thesamepointduring thereturn journey

1 \(\left(\frac{u}{g}-t_{1}^{2}\right)\)
2 \(2\left(\frac{u}{g}-t_{1}\right)\)
3 \(3\left(\frac{u^{2}}{g}-t_{1}\right)\)
4 \(3\left(\frac{u^{2}}{g^{2}}-t_{1}\right)\)
MOTION IN A STRIGHT LINE

269790 A boy throws a ball in air in such a manner that when the ball is at its maximum heighthethrows another ball. If theballs sarethrown with the timedifference 1 second, the maximum height attained by each ball is

1 \(9.8 \mathrm{~m}\)
2 \(19.6 \mathrm{~m}\)
3 \(4.9 \mathrm{~m}\)
4 \(2.45 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269803 The friction of the air causes a vertical retardation equal to\(10 \%\) of the acceleration due to gravity. Take \(g=10 \mathrm{~m} / \mathrm{s}^{2}\). The maximum height and time to reach the maximum height will bedecreased by

1 \(9 \%, 9 \%\)
2 \(11 \%, 11 \%\)
3 \(9 \%, 10 \%\)
4 \(11 \%, 9 \%\)
MOTION IN A STRIGHT LINE

269787 Astonethrown vertically up from theground reaches a maximum height of \(50 \mathrm{~m}\) in \(10 \mathrm{~s}\). Time taken by the stoneto reach theground from maximum height is

1 \(5 \mathrm{~s}\)
2 \(10 s\)
3 \(20 \mathrm{~s}\)
4 \(25 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269789 A bodyis projected with a velocity u. It passes through a certain point above the ground in \(t\) sec. Thetimeafter which thebody passesthrough thesamepointduring thereturn journey

1 \(\left(\frac{u}{g}-t_{1}^{2}\right)\)
2 \(2\left(\frac{u}{g}-t_{1}\right)\)
3 \(3\left(\frac{u^{2}}{g}-t_{1}\right)\)
4 \(3\left(\frac{u^{2}}{g^{2}}-t_{1}\right)\)
MOTION IN A STRIGHT LINE

269790 A boy throws a ball in air in such a manner that when the ball is at its maximum heighthethrows another ball. If theballs sarethrown with the timedifference 1 second, the maximum height attained by each ball is

1 \(9.8 \mathrm{~m}\)
2 \(19.6 \mathrm{~m}\)
3 \(4.9 \mathrm{~m}\)
4 \(2.45 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269803 The friction of the air causes a vertical retardation equal to\(10 \%\) of the acceleration due to gravity. Take \(g=10 \mathrm{~m} / \mathrm{s}^{2}\). The maximum height and time to reach the maximum height will bedecreased by

1 \(9 \%, 9 \%\)
2 \(11 \%, 11 \%\)
3 \(9 \%, 10 \%\)
4 \(11 \%, 9 \%\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
MOTION IN A STRIGHT LINE

269787 Astonethrown vertically up from theground reaches a maximum height of \(50 \mathrm{~m}\) in \(10 \mathrm{~s}\). Time taken by the stoneto reach theground from maximum height is

1 \(5 \mathrm{~s}\)
2 \(10 s\)
3 \(20 \mathrm{~s}\)
4 \(25 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269789 A bodyis projected with a velocity u. It passes through a certain point above the ground in \(t\) sec. Thetimeafter which thebody passesthrough thesamepointduring thereturn journey

1 \(\left(\frac{u}{g}-t_{1}^{2}\right)\)
2 \(2\left(\frac{u}{g}-t_{1}\right)\)
3 \(3\left(\frac{u^{2}}{g}-t_{1}\right)\)
4 \(3\left(\frac{u^{2}}{g^{2}}-t_{1}\right)\)
MOTION IN A STRIGHT LINE

269790 A boy throws a ball in air in such a manner that when the ball is at its maximum heighthethrows another ball. If theballs sarethrown with the timedifference 1 second, the maximum height attained by each ball is

1 \(9.8 \mathrm{~m}\)
2 \(19.6 \mathrm{~m}\)
3 \(4.9 \mathrm{~m}\)
4 \(2.45 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269803 The friction of the air causes a vertical retardation equal to\(10 \%\) of the acceleration due to gravity. Take \(g=10 \mathrm{~m} / \mathrm{s}^{2}\). The maximum height and time to reach the maximum height will bedecreased by

1 \(9 \%, 9 \%\)
2 \(11 \%, 11 \%\)
3 \(9 \%, 10 \%\)
4 \(11 \%, 9 \%\)