Mr. Maloney's pendulum is swing back and forth. He has a 1 kg mass on the end, the string length is 2 meters, and he started it by pulling it back 35 degrees, determine:
a. The initial potential energy
b. Speed at the bottom
c. Speed half way to the bottom
d. How high would it go if a student have it a 3 m/s push
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c- m*g*l(1-cos(theta))+1/2*m*v^2=Ep(0) with theta=35/2=17.5
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