Question
When an object is moving in a simple harmonic motion, which of the following is at a minimum when the displacement from equilibrium is zero?
A. the magnitude of the velocity
B. the magnitude of the acceleration
C. the kinetic energy
D. the total mechanical energy
E. More than one of the above answers.
A. the magnitude of the velocity
B. the magnitude of the acceleration
C. the kinetic energy
D. the total mechanical energy
E. More than one of the above answers.
Answers
Damon
if x = a sin wt
v = aw cos wt
a = -w^2 x
when x = 0
|v| is MAX so Ke is MAX
total energy is CONSTANT
So only acceleration which is proportional to x
v = aw cos wt
a = -w^2 x
when x = 0
|v| is MAX so Ke is MAX
total energy is CONSTANT
So only acceleration which is proportional to x