HW

A -- Lab draft due Wednesday

E -- Lab draft due Tuesday


Problems for E and A.  Assume no air resistance.

1.  An object is dropped from rest.  How far could it fall in 3 seconds?

2.  How fast would it be moving after 3 seconds?

3.  If you drop a rock from a 30-m high bridge into the water below, how long will it take to hit water?

4.  Imagine throwing a ball straight up into the air, with an initial speed of 25 m/s.
a.  How long will it take to reach apogee?
b.  How high will it rise?
c.  How long will it take for the ball to return to your hands?