an energetic little hamster of mass 0.800-kg tried travelling at constant speed on the inside of a vertical circular track with radius 0.50-m. If the normal force exerted y the track on hamster at the topmost point of the track is 3.00-N, a.) what is the normal force on the hamster when it is at the bottom of the track? b.) What must be the speed of the hamster in order for it to revolve around the circular track?

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