Posted by Kaylah on .
A seed shoots out from the pod with the speed of 2.4 m/s but with a direction of motion 30° below the horizontal. The seed pod is initially 1.2 m above the ground.
(a) How long does it take for the seed to land? (Neglect air resistance.)
(b) What horizontal distance does it cover during its flight?

Physics 
bobpursley,
vertical speed initially: 2.4*sin30
time to ground:
h=vi*t+1/2 g t^2
1.2=2.4*sin30*t+4.9t^2
put this in quadratic form, and solve for t using the quadratic equation.
horizonal distance= 2.4cos30*t