Astone was dropped off a cliff and hit the ground with a speed of 112 ft/s. what is the height of the cliff? (use 32 ft/s2 for the acceleration due to gravity.) ft ft

How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.

Need in all of themmm only answer if you know plsssss

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.