An air-hockey puck has m = 50 g and D = 9 cm. When placed on a 20°C air table, the blower forms a 0.12-mm-thick air film under the puck. The puck is struck with an initial velocity of 10 m/s. How long will it take the puck to?
(a) Slow down to 1 m/s;
(b) Stop completely? Also
(c) How far will the puck have travelled for case (a)?