You will use this problem for Questions 10 & 11. Read carefu…

You will use this problem for Questions 10 & 11. Read carefully! Q10 & 11.  A ball is launched straight up with an initial velocity of 30 m/s and falls straight back down.  Q10:  Find the height of the ball after 2 sec.  Q11:  Find the velocity of the ball after 4 sec.

You will use this problem for Questions 21, 22, & 23. Read c…

You will use this problem for Questions 21, 22, & 23. Read carefully! Q21, 22, & 23.  A large wheel rotates about its center 190 times per minute.  The mass of the wheel is 3 kg and its radius is 0.3 m. Q21:  What is its angular velocity in rad/sec?            Q22:  Find its angular acceleration if it stops in 14.5 seconds. Q23:  Through what angular distance does it rotate as it stops?