Imagine that during a hailstorm, hailstones with an average mass of 1g and an average vertical velocity of 10 m/s hit the roof of your car at a rate of 100 hits per
second per square meter; and assume that they bounce elastically off the roof. What is the approximate pressure that these hailstones exert on your roof? How does this compare to air pressure? Estimate the total force exerted by the hail on your roof?