A ball is thrown from a window 25 meters above the ground with an initial velocity of 40 meters per second and an angle of inclination of
. Let the origin be the point on the (level) ground below the window. Homework Help ✎
Assume the acceleration due to gravity is −10
. Find x(t) and y(t).
Find the angle at which the ball hits the ground.
First, determine when the ball hits the ground. This is when y(t) = 0.
Then angle is the angle created by the slope.
Think of drawing a slope triangle and calculating the angle.