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A particle is moving in a circle with uniform speed v. In moving from a point to another diametrically opposite point
Options
(a) The momentum changes by mv
(b) The momentum changes by 2mv
(c) The kinetic energy changes by 1/2 mv²
(d) The kinetic energy changes by mv²
Correct Answer:
The momentum changes by 2mv
Explanation:
The diametrically opposite points, the velocities have same magnitude but opposite directions. Therefore, change in momentum is MV – (- MV) = 2MV.
Related Questions: - The Rutherford scattering experiment proves that an atom consists of
- Acceleration of a particle, executing SHM, at its mean position is
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
- In a ionised gas,the mobile charge carriers are
- Which of the following statements is correct?
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The Rutherford scattering experiment proves that an atom consists of
- Acceleration of a particle, executing SHM, at its mean position is
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
- In a ionised gas,the mobile charge carriers are
- Which of the following statements is correct?
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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