Questions
A satellite ‘A’ is moving in a circular orbit of radius ‘r’ around the earth with orbital speed V. Another satellite B is moving in a circuit orbit of radius 2r. If areal velocities of A and B are equal, Then orbital speed of B is
detailed solution
Correct option is C
Areal velocity dAdt=L2m=mVr2m=Vr2.∴ V'.2r2=V.r2 ⇒ V'=V2Talk to our academic expert!
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A particle of mass m = 5 units is moving with a uniform speed , units in the XOY plane along the line y = x + 4. The magnitude of the angular momentum of the Particle about the origin is
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