Kinematics of Circular Motion
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PHXI04:MOTION IN A PLANE

361913 A Particle of mass '\(m\)' describes a circle of radius(\(r\)). The centripetal acceleration of the particle is \(\frac{4}{{{r^2}}}\). The momentum of the particle

1 \(\frac{{2m}}{{\sqrt r }}\)
2 \(\frac{{2m}}{r}\)
3 \(\frac{{4m}}{{\sqrt r }}\)
4 \(\frac{{4m}}{r}\)
PHXI04:MOTION IN A PLANE

361914 A ball is moving in a circular path of radius \(5\;m\). If tangential acceleration at any instant is \(10\;m{s^{ - 2}}\) and the net acceleration makes an angle \(30^{\circ}\) with the centripetal acceleration, then the instantaneous speed is

1 \(50\sqrt 3\,\;m{s^{ - 1}}\)
2 \(9.3\;\,m{s^{ - 1}}\)
3 \(6.6\;\,m{s^{ - 1}}\)
4 \(5.4\;\,m{s^{ - 1}}\)
AIIMS - 2013
PHXI04:MOTION IN A PLANE

361915 In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron

1 Nuclear force
2 Gravitational force
3 Magnetic force
4 Electrostatic force
PHXI04:MOTION IN A PLANE

361916 A flywheel gains a speed of 540 r.p.m in 6 seconds. Its angular acceleration will be

1 \(3\pi {\mkern 1mu} rad/{s^2}\)
2 \(9\pi {\mkern 1mu} rad/{s^2}\)
3 \(18\pi \,rad/{s^2}\)
4 \(54\pi \,rad/{s^2}\)
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PHXI04:MOTION IN A PLANE

361913 A Particle of mass '\(m\)' describes a circle of radius(\(r\)). The centripetal acceleration of the particle is \(\frac{4}{{{r^2}}}\). The momentum of the particle

1 \(\frac{{2m}}{{\sqrt r }}\)
2 \(\frac{{2m}}{r}\)
3 \(\frac{{4m}}{{\sqrt r }}\)
4 \(\frac{{4m}}{r}\)
PHXI04:MOTION IN A PLANE

361914 A ball is moving in a circular path of radius \(5\;m\). If tangential acceleration at any instant is \(10\;m{s^{ - 2}}\) and the net acceleration makes an angle \(30^{\circ}\) with the centripetal acceleration, then the instantaneous speed is

1 \(50\sqrt 3\,\;m{s^{ - 1}}\)
2 \(9.3\;\,m{s^{ - 1}}\)
3 \(6.6\;\,m{s^{ - 1}}\)
4 \(5.4\;\,m{s^{ - 1}}\)
AIIMS - 2013
PHXI04:MOTION IN A PLANE

361915 In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron

1 Nuclear force
2 Gravitational force
3 Magnetic force
4 Electrostatic force
PHXI04:MOTION IN A PLANE

361916 A flywheel gains a speed of 540 r.p.m in 6 seconds. Its angular acceleration will be

1 \(3\pi {\mkern 1mu} rad/{s^2}\)
2 \(9\pi {\mkern 1mu} rad/{s^2}\)
3 \(18\pi \,rad/{s^2}\)
4 \(54\pi \,rad/{s^2}\)
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PHXI04:MOTION IN A PLANE

361913 A Particle of mass '\(m\)' describes a circle of radius(\(r\)). The centripetal acceleration of the particle is \(\frac{4}{{{r^2}}}\). The momentum of the particle

1 \(\frac{{2m}}{{\sqrt r }}\)
2 \(\frac{{2m}}{r}\)
3 \(\frac{{4m}}{{\sqrt r }}\)
4 \(\frac{{4m}}{r}\)
PHXI04:MOTION IN A PLANE

361914 A ball is moving in a circular path of radius \(5\;m\). If tangential acceleration at any instant is \(10\;m{s^{ - 2}}\) and the net acceleration makes an angle \(30^{\circ}\) with the centripetal acceleration, then the instantaneous speed is

1 \(50\sqrt 3\,\;m{s^{ - 1}}\)
2 \(9.3\;\,m{s^{ - 1}}\)
3 \(6.6\;\,m{s^{ - 1}}\)
4 \(5.4\;\,m{s^{ - 1}}\)
AIIMS - 2013
PHXI04:MOTION IN A PLANE

361915 In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron

1 Nuclear force
2 Gravitational force
3 Magnetic force
4 Electrostatic force
PHXI04:MOTION IN A PLANE

361916 A flywheel gains a speed of 540 r.p.m in 6 seconds. Its angular acceleration will be

1 \(3\pi {\mkern 1mu} rad/{s^2}\)
2 \(9\pi {\mkern 1mu} rad/{s^2}\)
3 \(18\pi \,rad/{s^2}\)
4 \(54\pi \,rad/{s^2}\)
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI04:MOTION IN A PLANE

361913 A Particle of mass '\(m\)' describes a circle of radius(\(r\)). The centripetal acceleration of the particle is \(\frac{4}{{{r^2}}}\). The momentum of the particle

1 \(\frac{{2m}}{{\sqrt r }}\)
2 \(\frac{{2m}}{r}\)
3 \(\frac{{4m}}{{\sqrt r }}\)
4 \(\frac{{4m}}{r}\)
PHXI04:MOTION IN A PLANE

361914 A ball is moving in a circular path of radius \(5\;m\). If tangential acceleration at any instant is \(10\;m{s^{ - 2}}\) and the net acceleration makes an angle \(30^{\circ}\) with the centripetal acceleration, then the instantaneous speed is

1 \(50\sqrt 3\,\;m{s^{ - 1}}\)
2 \(9.3\;\,m{s^{ - 1}}\)
3 \(6.6\;\,m{s^{ - 1}}\)
4 \(5.4\;\,m{s^{ - 1}}\)
AIIMS - 2013
PHXI04:MOTION IN A PLANE

361915 In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron

1 Nuclear force
2 Gravitational force
3 Magnetic force
4 Electrostatic force
PHXI04:MOTION IN A PLANE

361916 A flywheel gains a speed of 540 r.p.m in 6 seconds. Its angular acceleration will be

1 \(3\pi {\mkern 1mu} rad/{s^2}\)
2 \(9\pi {\mkern 1mu} rad/{s^2}\)
3 \(18\pi \,rad/{s^2}\)
4 \(54\pi \,rad/{s^2}\)