A 50 kg projectile is released from a height of 40 m above the ground. How deep will it penetrate the ground? Consider that while the projectile is in the air friction is negligible and while the projectile moves through the ground it is subject to a constant friction force equal to 10,500 N. Select one : a . 1.47 m b. 1.96 m . 2.63 m d. 11.7 m