1
Q
A sample of a wire has a young modulus E.A secound sample of a wire made from an identical material has 3 times the length of what is the young modulus of the secound same of the wire?
A
Trick question!!! Don’t use the equation to solve this it’s the same material there forever has the same young modulus
2
Q
is the speed of a particle constant?
A
yes
3
Q
State the conditions necessary for the car to be moving with simple harmonic motion.
[2 marks]
A
The acceleration of the car oscillations is directly proportional to the displacement( from the equilibrium point) in the opposite direction.
