Q1. In a head-on collision, a car stops in 0.28 from a speed of 18. The driver has a mass of 73, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt in the fraction of a second?
Q2. Note the gravitational acceleration of equatorial sea level is g = 32.0088ft/s^2 and that its variation is 0.003ft/s^2/ 1000ft ascent. find the height in miles above its point for which g = 30.504 ft/s^2 and what is the weight of a 180lb man on top of 29,131 ft in mt Everest.