·ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
·In working this problem, assume the value of "g" to be 9.8 m/s^2 with two (2) significant digits unless otherwise stated.


A car traveling at 60 mph has how much more energy than a car going at 15 mph?

KE increases by a factor of____.

1. 1/16
2. 4
3. 1/4
4. 16