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At the 18th green of the U. S. Open you need to make a 20.5 ft putt to win the tournament. When you hit the ball, giving it an initial speed of 1.47m/s^2 , it stops 5.80ft short of the hole.
A) Assuming the deccelration caused by the grass is constant, what should the initial speed have to be to make the putt?
B) What initial speed do you need to make the remaning 5.80ft?
Two violin strings are tuned to the same frequency, 294 Hz. The tension in one string is then decreased by 1.5 %. What will be the beat frequency heard when the two strings are played together.
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King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, How far from the castle wall does the launched rock hit the ground
A 0.24 meter stick balances at its center. If a necklace is suspended from one end of the stick, the balance point moves 8 toward that end. Is the mass of necklace more than, less than, or the same as that of the meter stick.
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