Mr. Weismann was climbing on his roof attempting to fix his gutter system. Without looking he accidentally stepped off. Lucky for him the roof was only 6 meters off the ground (About 20 feet). He fell with the speed of gravity. How long did it take Mr. Weismann to hit the ground? Plz Helpp me!! No time left

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

The softest and hardest minerals are: softest hardest

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.