What was initial speed, A hollow sphere is rolling along a

What was initial speed

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Q. A hollow sphere is rolling along a horizontal floor at 7.0 m/s when it comes to a 39^circ incline. How far does it go up the incline before coming to a stop and roll back down?

Q. A 22.00 g ball is fired horizontally with initial speed vi toward a 98-g ball that is hanging motionless from a 1.10 m long string. The balls undergo a head-on, perfectly elastic collision, after which the 100 g ball swings out to a maximum angle of θmax=45. What was vi?

Reference no: EM1384589

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What was initial speed : A hollow sphere is rolling along a horizontal floor at 7.0 m/s when it comes to a 39^circ incline. How far does it go up the incline before coming to a stop and roll back down.

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