Physics

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A solid and a hollow ball, each with a mass of 1 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 35 degrees. An ice cube of the same mass slides without friction down the same ramp. Which ball will reach the bottom first? Does the ice cube travel faster or slower than the solid ball at the base of the incline? Which is the speed of the slid ball at the bottom of the incline?

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