Author Question: An object of mass m is attached to a spring of spring constant k and it is pulled so that it starts ... (Read 402 times)

MGLQZ · **on:** Jul 28, 2018

An object of mass m is attached to a spring of spring constant k and it is pulled so that it starts to oscillate at its natural frequency f. Now the spring is cut in half and the experiment is repeated. What will be the new frequency of vibration?
1. f
2. f/2
3. f2
4. 2f

Question 2

Which of these represents an example of simple harmonic motion?

(i) a bouncing ball
(ii) a marble rolling back and forth in a concave bowl
(iii) a tree branch vibrating
(iv) someone walking back and forth across a room, dozens of times

1.all of them
2.(i) and (iv)
3.(ii) and (iii)
4.(i) and (iii)