Recent content by rezihk

i figured out all these values and plugged them into the eqn i have: A=1.96E-3 m^2 wire Y=20E10 L=30m Tension if it were at rest and bottom: T=mg=3924N and got dL=0.03cm but I'm assuming at it stretches the same if it were at rest or accelerating when at the bottom how do i take...

no, just general curiosity

to be more specific how can you make electricity by spinning a mechanism?

shouldn't the tension in the string at the bottom of the swing be the same as if it were at rest, and then it be less when it higher?

so what other forces would be acting on the bob at the bottom of the swing apart from mg? by what factor would the tension change at the bottom as compared to the top of the swing?

if you have a pendulum with a 10kg bob at rest, it causes a stretch in the wire supporting it, but if that same bob were to be let go at a certain angle from the vertical, would would the wire stretch more as the bob reaches the bottom of its swing where the speed is the greatest? in order...

1. A building is to be demolished by a 400kg shell ball swinging on the end of a 30.0 m steel wire of diameter 5.00 cm hanging from a tall crane. As the ball is swung though an arc from side to side, the wire makes an angle of 50° with the vertical at the top of the swing. find the amount by...