A meteor has a speed of 77.0 m/swhen 700 km above the Earth. It isfalling vertically (ignore air resistance) and strikes a bed ofsand in which it is brought to rest in 3.23 m.
(a) What is its speed before striking the sand?
m/s
(b) How much work does the sand do to stop the meteor (mass =585 kg)?
J
(c) What is the average force exerted by the sand on themeteor?
N
(d) How much thermal energy is produced?
J