Question 1
A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5.0 sin (πt + π/3). The velocity (in m/s) of the body at t = 1.0 s is
◦
+7.9
◦
−7.9
◦
−14
◦
+14
◦
−5.0
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 (πt). The magnitude of the acceleration (in m/s2) of the body at t = 1.0 s is approximately
◦
3.5
◦
49
◦
14
◦
43
◦
4.3