Question

x=0,y=0 ,dx/dt=u cos θ , dy/dt=u sin θ at t=0
a) Using Laplace transform method, find the position of the projectile at any time.
b) A projectile is fired from a cannon which makes an angle of 60o with the horizontal.
If the muzzle velocity is 160 ft/s. Find the time of flights. (Assume g=32ft/s )