Question

At the 18th green of the U. S. Open you need to make a 23.5 ft putt to win the tournament. When you hit the ball, giving it an initial speed of 1.56 m/s, it stops 5.30 ft short of the hole.What initial speed do you need to make the remaining 5.30 ft putt?

Answer 1

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Lets assume that grass causes a constant deceleration

initial speed ,

final speed ,

distance covered ,

Use formula

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Use formula

if the initial speed was 1.77 m/s instead of 1.56m/s ,i could have won the tournament

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Now remaining 5.30 ft

Required initial speed

Use formula

ANSWER:

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