# A small ball rolls horizontally off the edge of a tabletop that is 1.23 m high. It strikes the floor at a point 1.49 m horizontally away from the edge of the table. (a) How long is the ball in the air? (b) What is its speed at the instant it leaves ?

##### 1 Answer

Nov 3, 2015

#### Answer:

#### Explanation:

Taking the vertical component of the motion and setting the initial velocity equal to zero we get:

The horizontal component of velocity is constant so: