Question

Example 14.10 A particle executes simple harmonic motion about the point
x = 0. At time t = 0, it has displacement x = 2 cm and zero velocity. If the
frequency of motion is 0.25 s-1, find (a) the period, (b) angular frequency, (c) the
amplitude, (d) maximum speed, (e) the displacement from the mean position at
t = 3 s and (f) the velocity at t= 3 s.​

Answer 1

Answer:

An acceleration can cause speed to increase, decrease, and even stay the same! Acceleration tells you the rate at which the velocity is changing. ... The acceleration can change the magnitude and/or the direction of the velocity. Speed is only the magnitude of the velocity.