Kinematic Equations
PHXI03:MOTION IN A STRAIGHT LINE

362388 When an object is shot from the bottom of a long smooth inclined plane kept at an angle \(60^\circ \) with horizontal, it can travel a distance \({x_1}\) along the plane. But when the inclination is decreased to \(30^\circ \) and the same object is shot with the same velocity, it can travel \({x_2}\) distance Then \({x_1}:{x_2}\) will be:

1 \(1:\sqrt 2 \)
2 \(\sqrt 2 :1\)
3 \(1:\sqrt 3 \)
4 \(1:2\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362389 A ball is thrown straight up in the air. For which situation are both the instantaneous velocity and the acceleration zero?

1 Halfway up and halfway down
2 On the way up
3 At the top of its flight path
4 None of the above
PHXI03:MOTION IN A STRAIGHT LINE

362390 If two balls of same density but of different masses are dropped from a height of 100 \(m\), then

1 Both will reach earth simultaneously
2 First will come first and second after that
3 Second will come first and first after that
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362391 A ball is thrown vertically upward with an initial velocity of \(150\;m{\rm{/}}s\). The ratio of velocity after \(3\,s\) and \(5\,s\) is \(\dfrac{x+1}{x}\). The value of \(x\) is (take, \(g = 10\;m{\rm{/}}{s^2}\))

1 6
2 10
3 5
4 \( - 5\)
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PHXI03:MOTION IN A STRAIGHT LINE

362388 When an object is shot from the bottom of a long smooth inclined plane kept at an angle \(60^\circ \) with horizontal, it can travel a distance \({x_1}\) along the plane. But when the inclination is decreased to \(30^\circ \) and the same object is shot with the same velocity, it can travel \({x_2}\) distance Then \({x_1}:{x_2}\) will be:

1 \(1:\sqrt 2 \)
2 \(\sqrt 2 :1\)
3 \(1:\sqrt 3 \)
4 \(1:2\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362389 A ball is thrown straight up in the air. For which situation are both the instantaneous velocity and the acceleration zero?

1 Halfway up and halfway down
2 On the way up
3 At the top of its flight path
4 None of the above
PHXI03:MOTION IN A STRAIGHT LINE

362390 If two balls of same density but of different masses are dropped from a height of 100 \(m\), then

1 Both will reach earth simultaneously
2 First will come first and second after that
3 Second will come first and first after that
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362391 A ball is thrown vertically upward with an initial velocity of \(150\;m{\rm{/}}s\). The ratio of velocity after \(3\,s\) and \(5\,s\) is \(\dfrac{x+1}{x}\). The value of \(x\) is (take, \(g = 10\;m{\rm{/}}{s^2}\))

1 6
2 10
3 5
4 \( - 5\)
PHXI03:MOTION IN A STRAIGHT LINE

362388 When an object is shot from the bottom of a long smooth inclined plane kept at an angle \(60^\circ \) with horizontal, it can travel a distance \({x_1}\) along the plane. But when the inclination is decreased to \(30^\circ \) and the same object is shot with the same velocity, it can travel \({x_2}\) distance Then \({x_1}:{x_2}\) will be:

1 \(1:\sqrt 2 \)
2 \(\sqrt 2 :1\)
3 \(1:\sqrt 3 \)
4 \(1:2\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362389 A ball is thrown straight up in the air. For which situation are both the instantaneous velocity and the acceleration zero?

1 Halfway up and halfway down
2 On the way up
3 At the top of its flight path
4 None of the above
PHXI03:MOTION IN A STRAIGHT LINE

362390 If two balls of same density but of different masses are dropped from a height of 100 \(m\), then

1 Both will reach earth simultaneously
2 First will come first and second after that
3 Second will come first and first after that
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362391 A ball is thrown vertically upward with an initial velocity of \(150\;m{\rm{/}}s\). The ratio of velocity after \(3\,s\) and \(5\,s\) is \(\dfrac{x+1}{x}\). The value of \(x\) is (take, \(g = 10\;m{\rm{/}}{s^2}\))

1 6
2 10
3 5
4 \( - 5\)
PHXI03:MOTION IN A STRAIGHT LINE

362388 When an object is shot from the bottom of a long smooth inclined plane kept at an angle \(60^\circ \) with horizontal, it can travel a distance \({x_1}\) along the plane. But when the inclination is decreased to \(30^\circ \) and the same object is shot with the same velocity, it can travel \({x_2}\) distance Then \({x_1}:{x_2}\) will be:

1 \(1:\sqrt 2 \)
2 \(\sqrt 2 :1\)
3 \(1:\sqrt 3 \)
4 \(1:2\sqrt 3 \)
PHXI03:MOTION IN A STRAIGHT LINE

362389 A ball is thrown straight up in the air. For which situation are both the instantaneous velocity and the acceleration zero?

1 Halfway up and halfway down
2 On the way up
3 At the top of its flight path
4 None of the above
PHXI03:MOTION IN A STRAIGHT LINE

362390 If two balls of same density but of different masses are dropped from a height of 100 \(m\), then

1 Both will reach earth simultaneously
2 First will come first and second after that
3 Second will come first and first after that
4 None of these
PHXI03:MOTION IN A STRAIGHT LINE

362391 A ball is thrown vertically upward with an initial velocity of \(150\;m{\rm{/}}s\). The ratio of velocity after \(3\,s\) and \(5\,s\) is \(\dfrac{x+1}{x}\). The value of \(x\) is (take, \(g = 10\;m{\rm{/}}{s^2}\))

1 6
2 10
3 5
4 \( - 5\)