Posted by Anonymous on Sunday, February 24, 2013 at 5:05pm.
Just as long as anything else that goes up 100 meters and falls
Which is twice as long as it takes to fall 100 meters
h = (1/2) g t^2
100 = 4.9 t^2
t = 4.52 seconds to fall
so about 9 seconds
Related Questions
9th grade - a stone propelled from a catapult with a speed of 50m/s attains a ...
Physics - A stone popelled from a catalpult with the speed of 50m/s attained a ...
Physics - A ball is thrown with a speed of 100m/s attains a height of 150m....
applied physics - you are standing on a 100m tall buiding above a street and ...
physics - A stone is projected upward at an angle of 60degree to the horizontal ...
physics - A stone is projected upward at an angle of 60degree to the horizontal ...
Physics - A catapult on a cliff launches a large round rock towards a ship on ...
physics - A stone with mass m = 2.3 kg is thrown vertically upward into the air ...
Physics - A stone is shot vertically upwards using a catapult and is caught 6 ...
physics - A catapult on a cliff launches a large round rock towards a ship on ...
For Further Reading
