Question

On Sept. 8, 2008, the returning capsule of the Genesis Mission (which collected particles of the solar wind) crashed to earth in the Utah desert when its parachute failed to open. The capsule, which was 162 cm in diameter hit the ground at 311 km/h and penetrated the soil to half of its diameter.

(a) What was its constant acceleration as the capsule penetrated the earth?
m/s2

(b) How long did it take the capsule to stop once it hit the ground?
s

Answer 1