A window washer drops a brush from a scaffold on a tall office building. What is the speed of the falling brush after 3.32 s? (Neglect drag forces.) The acceleration due to gravity is 9.8 m/s^2. Answer in units of m/s.

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.