A body oscillates with simple harmonic motion along the x axis. ...

[scienceeasy]

A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5 sin (pt + p/3). The phase (in rad) of the motion at t = 2 s is
 a. 7p/3
  b. p/3
  c. p
  d. 5p/3
  e. 2p

Question 2

A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5.0 cos (pt). The magnitude of the acceleration (in m/s2) of the body at t = 1.0 s is approximately
 a. 3.5
  b. 49
  c. 14
  d. 43
  e. 4.3

[bblaney]

Answer to Question 1

A

Answer to Question 2

B

[scienceeasy]

Excellent

[vickyvicksss]

Thanks for the timely response, appreciate it