Asked Dec 16, 2019

While rolling balls down an inclined plane,Galileo observes that balls roll 1 cubit(the distance from elbow to fingerprint) as he counts to 10. How far will have ball rolled from its starting point when he has counted to 20?


Expert Answer

Step 1

write the expression for distance travelled


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1 S= ut +-at

Step 2

Since initial velocity is zero, the...


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S=-ar at


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