kx - mg = ma
2*10^4 x = 25 (9.8+9.8)
A 25 kg child bounces on a pogo stick.
The pogo stick has a spring with spring constant 2.0*10^4 N/m. When the child makes a nice big bounce, he finds that at the bottom of the bounce he is accelerating upwards at 9.8 m/s^2. How much is the spring compressed?
4 answers
0.0245
its not .0245
you need to multiply 0.0245 by 100 to convert m to cm to get a final answer of 2.5 cm to two significant figures
1 answer