The position from a point of equilibrium of an object moving vertically in a harmonic motion is defined by the function , where y is measured in meters and t in seconds. Answer the following.
a) Find the object's velocity at t = 3. State the units.
b) Find the object's acceleration at t = 3. State the units.
c) Is the object speeding up or slowing down at t = 3? Justify your answer.

Question

The position from a point of equilibrium of an object moving vertically in a harmonic motion is defined by the function , where y is measured in meters and t in seconds. Answer the following. 
a) Find the object's velocity at t = 3. State the units.
b) Find the object's acceleration at t = 3. State the units.
c) Is the object speeding up or slowing down at t = 3? Justify your answer.

anonymous · Answer

the function is y(t)=sin(pi*t/4)