1/30/02

If I am drivinig at 65 mi/hr (or 29 m/s) how many meters do I go in 1 hour? 104,400 m/hr (the answer is good to 3 significant figures).

The sun shines on an building that is 80 m tall. Late in the day the sun makes an angle of 30 degrees with the ground. How long is the shadow? 138m
If the angle is 30 degrees (not long after noon) the shadow is 29 m.