Conservation of Energy

Physics
Tutor: None Selected Time limit: 1 Day

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

Jun 3rd, 2015

Thank you for the opportunity to help you with your question!

a. P.E=mgh

1kg*9.8*2=19.6 kg m2 / s2

s=dt

b. 2*1=2m/s

c. 1m/s

d. s/t

3/1=3m...

thank you.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 3rd, 2015

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