- #1
Neil Burns
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Homework Statement
I have a metal spring 50mm in diameter 152 mm long compressed to half its length ie 76mm by using a weight of 50kg. I have used a clip to hold it compressed. When that clip is broken the spring will expand back to its original length of 152mm. How can I work out how far it will push a tennis ball weighing 1kg into the air and how long will this take ?
Homework Equations
Newton Acceleration = force/mass
Speed = distance/time s=d/t
acceleration= increase in speed over time (speed end -speed beg) / (time end-time beg)
Please let me know what other equations I should use?
The Attempt at a Solution
The tennis ball will accelerate very fast to begin with at rate of 50kg - 1kg but slow as the force of gravity drags it back to the earth