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find the maximum height of a rocket?
gravity = 10N/kg
rocket mass = 0.05kg
rocket velocity = 12m/s
kinetic energy, (1/2m*v^2) = 3.6J
therefore gravitational potential energy = 3.6
(ignore air resistance)
In order to find the maximum height, the formula is (difference in GPE = mass * gravity * height)
rearrange this to be (GPE/mass*gravity = height)
3.6/0.05*10 = 7.2 meters
Am I correct?
1 Answer
- civil_av8rLv 76 years ago
With only the information you gave us, you could do an energy balance and you would be correct. If you gave us the entire problem, then we could see if the there were any steps you missed.
