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Q. A space traveler weighs 565 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?

Q. A particle of mass M = 0.60 kg is dropped from a point that is at a height h = 2.10 m above the ground and horizontal distance s = 0.85 m from an observation point O, as shown in the figure. What is the magnitude of the angular momentum of the particle with respect to point O when the particle has fallen half the distance to the ground?

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