Find out the radius of the second sphere

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Q. Two spheres are cut from the certain uniform rock. One has a diameter of 280.0 mm. The mass of the second sphere is six times greater than the first sphere. Find out the radius of the second sphere?

Q. A 50g ball travelling at 25m/s is bounced off a brick wall and rebounds at 22m/s. A high speed camera records this event. If the ball is in contact with the wall for 3.5ms, what is the average acceleration of the ball throughout this time interval?

Reference no: EM1368950

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