In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is h. The mug slides off the counter and strikes the floor at distance d from the base of the counter.
(a) With what velocity did the mug leave the counter? (Use any variable or symbol stated above along with the following as necessary: g.)
(b) What was the direction of the mug's velocity just before it hit the floor? (Use any variable or symbol stated above as necessary.)