An Explosion Inside a Mortar Tube Launches a 100-Kg Projectile

Multiple Choice

An explosion inside a mortar tube launches a 100-kg projectile directly upward with a speed of 350 m/s.The increase in the Earth's kinetic energy due to this explosion is (mass of the Earth is

A) 3.50 * 10⁴ J.
B) 1.02 * 10^-16 J.
C) 1.22 * 10⁷ J.
D) 6.35 * 10^-7 J.
E) 8.92 * 10² J.