2. A 0.20 kg pine coned falls from a branch 18 m above the ground. (a) With what speed would it hit the ground if air re
Posted: Thu Jul 14, 2022 8:06 pm
2. A 0.20 kg pine coned falls from a branch 18 m above the ground. (a) With what speed would it hit the ground if air resistance can be ignored? (b) If it actually hits the ground with a speed of 10 m/s, what was the