1) i used deltaL= mg/k
25m=65*9.8/k
k= 25.48
2) V_f^2=2(9.8)(11m)
V_f=14.7m/s for free fall
then
V_max= square rt of k/m *A
so sqr (25.48/65) *25= 15.65 m/s
Thanks
Homework Statement
A block is attached to a light spring with the equilibrium point at 0.3 m. Then a small charge is applied such that the block move to 0.4. What is the magnitude of the charge?
Homework Equations
The Attempt at a Solution
So displacement is .1m
I have no idea...
The girl is going on a bungee jump. She weighs 65 kg. The rope is 11m. In total, she fell 36 m. The first 11 m is free fall, and another 25m is simple harmonic motion.
1) k of rope
2)max spped
3)what point when she has max speed
4)amplitude of rope
5)how long does it take
Homework...