Question

Question 1 10 pts A ball is thrown directly downward at a speed of 3.6 m/s off the top of Building 15 at TCC. The ball passes the classroom we are not in 3.8 meters below the top of the building on its way down to the sidewalk below. The ball hits the ground with a speed of 18.2 m/s. Assume "up" is positive. What is the speed of the ball in m/s as it passes the classroom we could have been in? Next

Answer 1

- let Vo be speed of ball. No=3.6 m/s h= 3,8m V2 = V, ²+2 gh V=V3.613 2*9.8*3.8 |v= 9.851 m/s.) » speed of ball ao it bare clave room