Answer to Question #63308 in Mechanics | Relativity for Kay

Question

A hiker throws a stone directly downward from a cliff with a speed of 10.0 m/sec. The stone travels 35.4 meters downward before hitting a rotten log. What is the speed of the stone just as it reaches the log? Assume there is negligible friction or drag force.
Select one:
a. 28.2 m/sec
b. 29.9 m/sec
c. 24.4 m/sec
d. 26.3 m/sec
e. 33.3 m/sec