Momentum, Force and Inertia
LAWS OF MOTION (ADDITIONAL)

371691 A ball of mass \(10 \mathrm{~g}\) moving perpendicular to the plane of the wall strikes it and rebounds in the same line with the same velocity. If the impulse experienced by the wall is \(0.54 \mathrm{Ns}\), the velocity of the ball is

1 \(27 \mathrm{~ms}^{-1}\)
2 \(3.7 \mathrm{~ms}^{-1}\)
3 \(54 \mathrm{~ms}^{-1}\)
4 \(37 \mathrm{~ms}^{-1}\)
5 \(5.4 \mathrm{~ms}^{-1}\)
LAWS OF MOTION (ADDITIONAL)

371692 For a system to follow the law of conservation of linear momentum during a collision, the condition is
(i) Total external force acting on the system is zero.
(ii) Total external force acting on the system is finite and time of collision in negligible.
(iii) Total internal force acting on the system is zero

1 (i) only
2 (ii) only
3 (iii) only
4 (i) or (ii)
LAWS OF MOTION (ADDITIONAL)

371693 For ordinary terrestrial experiments, the observer in an inertial frame in the following cases is

1 a child revolving in a giant wheel
2 a driver in a sports car moving with a constant high speed of \(200 \mathrm{kmh}^{-1}\) on a straight rod
3 the pilot of an aeroplane which is taking off
4 a cyclist negotiating a sharp curve
LAWS OF MOTION (ADDITIONAL)

371694 A particle of mass \(m\) is moving with a uniform velocity \(v_{1}\). It is given an impulse such that its velocity becomes \(v_{2}\). The impulse is equal to

1 \(\mathrm{m}\left[\left|\mathrm{v}_{2}\right|-\left|\mathrm{v}_{1}\right|\right]\)
2 \(\frac{1}{2} \mathrm{~m}\left(\mathrm{v}_{2}^{2}-\mathrm{v}_{1}^{2}\right)\)
3 \(\mathrm{m}\left(\mathrm{v}_{1}+\mathrm{v}_{2}\right)\)
4 \(\mathrm{m}\left(\mathrm{v}_{2}-\mathrm{v}_{1}\right)\)
LAWS OF MOTION (ADDITIONAL)

371695 A ball of mass \(150 \mathrm{~g}\) moving with an acceleration \(20 \mathrm{~m} / \mathrm{s}^{2}\) is hit by a force, which acts on it for \(0.1 \mathrm{~s}\). The impulsive force is

1 \(0.5 \mathrm{~N}-\mathrm{s}\)
2 \(0.1 \mathrm{~N}-\mathrm{s}\)
3 \(0.3 \mathrm{~N}-\mathrm{s}\)
4 \(1.2 \mathrm{~N}-\mathrm{s}\)
LAWS OF MOTION (ADDITIONAL)

371691 A ball of mass \(10 \mathrm{~g}\) moving perpendicular to the plane of the wall strikes it and rebounds in the same line with the same velocity. If the impulse experienced by the wall is \(0.54 \mathrm{Ns}\), the velocity of the ball is

1 \(27 \mathrm{~ms}^{-1}\)
2 \(3.7 \mathrm{~ms}^{-1}\)
3 \(54 \mathrm{~ms}^{-1}\)
4 \(37 \mathrm{~ms}^{-1}\)
5 \(5.4 \mathrm{~ms}^{-1}\)
LAWS OF MOTION (ADDITIONAL)

371692 For a system to follow the law of conservation of linear momentum during a collision, the condition is
(i) Total external force acting on the system is zero.
(ii) Total external force acting on the system is finite and time of collision in negligible.
(iii) Total internal force acting on the system is zero

1 (i) only
2 (ii) only
3 (iii) only
4 (i) or (ii)
LAWS OF MOTION (ADDITIONAL)

371693 For ordinary terrestrial experiments, the observer in an inertial frame in the following cases is

1 a child revolving in a giant wheel
2 a driver in a sports car moving with a constant high speed of \(200 \mathrm{kmh}^{-1}\) on a straight rod
3 the pilot of an aeroplane which is taking off
4 a cyclist negotiating a sharp curve
LAWS OF MOTION (ADDITIONAL)

371694 A particle of mass \(m\) is moving with a uniform velocity \(v_{1}\). It is given an impulse such that its velocity becomes \(v_{2}\). The impulse is equal to

1 \(\mathrm{m}\left[\left|\mathrm{v}_{2}\right|-\left|\mathrm{v}_{1}\right|\right]\)
2 \(\frac{1}{2} \mathrm{~m}\left(\mathrm{v}_{2}^{2}-\mathrm{v}_{1}^{2}\right)\)
3 \(\mathrm{m}\left(\mathrm{v}_{1}+\mathrm{v}_{2}\right)\)
4 \(\mathrm{m}\left(\mathrm{v}_{2}-\mathrm{v}_{1}\right)\)
LAWS OF MOTION (ADDITIONAL)

371695 A ball of mass \(150 \mathrm{~g}\) moving with an acceleration \(20 \mathrm{~m} / \mathrm{s}^{2}\) is hit by a force, which acts on it for \(0.1 \mathrm{~s}\). The impulsive force is

1 \(0.5 \mathrm{~N}-\mathrm{s}\)
2 \(0.1 \mathrm{~N}-\mathrm{s}\)
3 \(0.3 \mathrm{~N}-\mathrm{s}\)
4 \(1.2 \mathrm{~N}-\mathrm{s}\)
LAWS OF MOTION (ADDITIONAL)

371691 A ball of mass \(10 \mathrm{~g}\) moving perpendicular to the plane of the wall strikes it and rebounds in the same line with the same velocity. If the impulse experienced by the wall is \(0.54 \mathrm{Ns}\), the velocity of the ball is

1 \(27 \mathrm{~ms}^{-1}\)
2 \(3.7 \mathrm{~ms}^{-1}\)
3 \(54 \mathrm{~ms}^{-1}\)
4 \(37 \mathrm{~ms}^{-1}\)
5 \(5.4 \mathrm{~ms}^{-1}\)
LAWS OF MOTION (ADDITIONAL)

371692 For a system to follow the law of conservation of linear momentum during a collision, the condition is
(i) Total external force acting on the system is zero.
(ii) Total external force acting on the system is finite and time of collision in negligible.
(iii) Total internal force acting on the system is zero

1 (i) only
2 (ii) only
3 (iii) only
4 (i) or (ii)
LAWS OF MOTION (ADDITIONAL)

371693 For ordinary terrestrial experiments, the observer in an inertial frame in the following cases is

1 a child revolving in a giant wheel
2 a driver in a sports car moving with a constant high speed of \(200 \mathrm{kmh}^{-1}\) on a straight rod
3 the pilot of an aeroplane which is taking off
4 a cyclist negotiating a sharp curve
LAWS OF MOTION (ADDITIONAL)

371694 A particle of mass \(m\) is moving with a uniform velocity \(v_{1}\). It is given an impulse such that its velocity becomes \(v_{2}\). The impulse is equal to

1 \(\mathrm{m}\left[\left|\mathrm{v}_{2}\right|-\left|\mathrm{v}_{1}\right|\right]\)
2 \(\frac{1}{2} \mathrm{~m}\left(\mathrm{v}_{2}^{2}-\mathrm{v}_{1}^{2}\right)\)
3 \(\mathrm{m}\left(\mathrm{v}_{1}+\mathrm{v}_{2}\right)\)
4 \(\mathrm{m}\left(\mathrm{v}_{2}-\mathrm{v}_{1}\right)\)
LAWS OF MOTION (ADDITIONAL)

371695 A ball of mass \(150 \mathrm{~g}\) moving with an acceleration \(20 \mathrm{~m} / \mathrm{s}^{2}\) is hit by a force, which acts on it for \(0.1 \mathrm{~s}\). The impulsive force is

1 \(0.5 \mathrm{~N}-\mathrm{s}\)
2 \(0.1 \mathrm{~N}-\mathrm{s}\)
3 \(0.3 \mathrm{~N}-\mathrm{s}\)
4 \(1.2 \mathrm{~N}-\mathrm{s}\)
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LAWS OF MOTION (ADDITIONAL)

371691 A ball of mass \(10 \mathrm{~g}\) moving perpendicular to the plane of the wall strikes it and rebounds in the same line with the same velocity. If the impulse experienced by the wall is \(0.54 \mathrm{Ns}\), the velocity of the ball is

1 \(27 \mathrm{~ms}^{-1}\)
2 \(3.7 \mathrm{~ms}^{-1}\)
3 \(54 \mathrm{~ms}^{-1}\)
4 \(37 \mathrm{~ms}^{-1}\)
5 \(5.4 \mathrm{~ms}^{-1}\)
LAWS OF MOTION (ADDITIONAL)

371692 For a system to follow the law of conservation of linear momentum during a collision, the condition is
(i) Total external force acting on the system is zero.
(ii) Total external force acting on the system is finite and time of collision in negligible.
(iii) Total internal force acting on the system is zero

1 (i) only
2 (ii) only
3 (iii) only
4 (i) or (ii)
LAWS OF MOTION (ADDITIONAL)

371693 For ordinary terrestrial experiments, the observer in an inertial frame in the following cases is

1 a child revolving in a giant wheel
2 a driver in a sports car moving with a constant high speed of \(200 \mathrm{kmh}^{-1}\) on a straight rod
3 the pilot of an aeroplane which is taking off
4 a cyclist negotiating a sharp curve
LAWS OF MOTION (ADDITIONAL)

371694 A particle of mass \(m\) is moving with a uniform velocity \(v_{1}\). It is given an impulse such that its velocity becomes \(v_{2}\). The impulse is equal to

1 \(\mathrm{m}\left[\left|\mathrm{v}_{2}\right|-\left|\mathrm{v}_{1}\right|\right]\)
2 \(\frac{1}{2} \mathrm{~m}\left(\mathrm{v}_{2}^{2}-\mathrm{v}_{1}^{2}\right)\)
3 \(\mathrm{m}\left(\mathrm{v}_{1}+\mathrm{v}_{2}\right)\)
4 \(\mathrm{m}\left(\mathrm{v}_{2}-\mathrm{v}_{1}\right)\)
LAWS OF MOTION (ADDITIONAL)

371695 A ball of mass \(150 \mathrm{~g}\) moving with an acceleration \(20 \mathrm{~m} / \mathrm{s}^{2}\) is hit by a force, which acts on it for \(0.1 \mathrm{~s}\). The impulsive force is

1 \(0.5 \mathrm{~N}-\mathrm{s}\)
2 \(0.1 \mathrm{~N}-\mathrm{s}\)
3 \(0.3 \mathrm{~N}-\mathrm{s}\)
4 \(1.2 \mathrm{~N}-\mathrm{s}\)
LAWS OF MOTION (ADDITIONAL)

371691 A ball of mass \(10 \mathrm{~g}\) moving perpendicular to the plane of the wall strikes it and rebounds in the same line with the same velocity. If the impulse experienced by the wall is \(0.54 \mathrm{Ns}\), the velocity of the ball is

1 \(27 \mathrm{~ms}^{-1}\)
2 \(3.7 \mathrm{~ms}^{-1}\)
3 \(54 \mathrm{~ms}^{-1}\)
4 \(37 \mathrm{~ms}^{-1}\)
5 \(5.4 \mathrm{~ms}^{-1}\)
LAWS OF MOTION (ADDITIONAL)

371692 For a system to follow the law of conservation of linear momentum during a collision, the condition is
(i) Total external force acting on the system is zero.
(ii) Total external force acting on the system is finite and time of collision in negligible.
(iii) Total internal force acting on the system is zero

1 (i) only
2 (ii) only
3 (iii) only
4 (i) or (ii)
LAWS OF MOTION (ADDITIONAL)

371693 For ordinary terrestrial experiments, the observer in an inertial frame in the following cases is

1 a child revolving in a giant wheel
2 a driver in a sports car moving with a constant high speed of \(200 \mathrm{kmh}^{-1}\) on a straight rod
3 the pilot of an aeroplane which is taking off
4 a cyclist negotiating a sharp curve
LAWS OF MOTION (ADDITIONAL)

371694 A particle of mass \(m\) is moving with a uniform velocity \(v_{1}\). It is given an impulse such that its velocity becomes \(v_{2}\). The impulse is equal to

1 \(\mathrm{m}\left[\left|\mathrm{v}_{2}\right|-\left|\mathrm{v}_{1}\right|\right]\)
2 \(\frac{1}{2} \mathrm{~m}\left(\mathrm{v}_{2}^{2}-\mathrm{v}_{1}^{2}\right)\)
3 \(\mathrm{m}\left(\mathrm{v}_{1}+\mathrm{v}_{2}\right)\)
4 \(\mathrm{m}\left(\mathrm{v}_{2}-\mathrm{v}_{1}\right)\)
LAWS OF MOTION (ADDITIONAL)

371695 A ball of mass \(150 \mathrm{~g}\) moving with an acceleration \(20 \mathrm{~m} / \mathrm{s}^{2}\) is hit by a force, which acts on it for \(0.1 \mathrm{~s}\). The impulsive force is

1 \(0.5 \mathrm{~N}-\mathrm{s}\)
2 \(0.1 \mathrm{~N}-\mathrm{s}\)
3 \(0.3 \mathrm{~N}-\mathrm{s}\)
4 \(1.2 \mathrm{~N}-\mathrm{s}\)