May someone please explain this to me please?
Tyler threw a baseball toward third base....but unfortunately it was overthrown! If the height of the ball h is related to the time t by the function h(t)= -16t^2+40t, how long after it was thrown did the ball hit the ground?

Question

May someone please explain this to me please?
Tyler threw a baseball toward third base....but unfortunately it was overthrown! If the height of the ball h is related to the time t by the function h(t)= -16t^2+40t, how long after it was thrown did the ball hit the ground?

loser66 · Answer

when the ball hits the ground, h =0, solve for t

anonymous · Answer

oh ok, I think I get it