Question
An object is moving along the x-axis. Its position at any time is given by x(t) = 3cos(pi * t) + 2. Find its acceleration.
Answers
Anonymous
v = dx/dt = -3 pi sin (pi * t)
a = d^2x/dt^2 = -3 pi^2 cos (pi * t)
a = d^2x/dt^2 = -3 pi^2 cos (pi * t)