- #1
Jtappan
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Homework Statement
You shoot a 57 g pebble straight up with a catapult whose spring constant is 310 N/m. The catapult is initially stretched by 0.30 m. How high above the starting point does the pebble fly? Ignore air resistance.
_____ m
Homework Equations
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The Attempt at a Solution
I am totally lost...this incorporates gravity and the spring...and ah...my head hurts...any one help?