Momentum of a particle is increased by 50% by keeping its mass constant. Percentage increase in kinetic energy of particle is:
1. 50%
2. 125%
3. 100%
4. 200%
Subtopic:  Linear Momentum |
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A body of mass 5 kg has the linear momentum of \(100 ~kg~ ms^{-1}\) and acted upon by the force of 2 N for 2 seconds, then change in kinetic energy in Joule is:
1. 100 J
2. 90 J
3. 204 J
4. 81.6 J
Subtopic:  Linear Momentum |
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Two bodies with equal linear momentum have a kinetic energy ratio of \(16:9.\) What is the ratio of their masses?
1. \(\dfrac{9}{16}\) 2. \(\dfrac{4}{3}\)
3. \(\dfrac{3}{4}\) 4. \(\dfrac{16}{9}\)
Subtopic:  Linear Momentum |
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A body of mass \(1000 ~\text{kg}\) is moving horizontally with a velocity \(6 ~\text{m/s}.\) Another body of mass \(200 ~\text{kg}\) is added gently. Then what will be its new velocity?
1. \(5 ~\text{m/s}\)
2. \(4 ~\text{m/s}\)
3. \(2 ~\text{m/s}\)
4. \(3 ~\text{m/s}\)
Subtopic:  Linear Momentum |
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Four particles A, B, C, D of mass \(\text m/2, ~\text m, ~2~\text m, ~4~\text m\) have the same momentum, respectively. The particle with maximum kinetic energy is:
1. A
2. D
3. B
4. C
Subtopic:  Linear Momentum |
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When kinetic energy of a body becomes \(36\) times of its original value, the percentage increase in the momentum of the body will be :
1. \(600\%\)
2. \(500\%\)
3. \(60\%\)
4. \(6\%\)
Subtopic:  Linear Momentum |
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Three bodies \(\mathrm{A,B}\) and \(\mathrm{C}\) have equal kinetic energies and their masses are \(\mathrm{400~g,}\) \(\mathrm{1.2~kg}\) and \(\mathrm{1.6~kg}\) respectively. The ratio of their linear momenta is:
1. \(1:\sqrt{3}:2\)
2. \(1:\sqrt{3}:\sqrt{2}\)
3. \(\sqrt{3}:\sqrt{2}:1\)
4. \(\sqrt{2}:\sqrt{3}:1\)
Subtopic:  Linear Momentum |
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