physics
posted by Anonymous .
A 71.1 kg man steps out a window and falls (from rest) 1.24 m to a sidewalk. What is his speed just before his feet strike the pavement?

(1/2) m v^2 = m g h
m cancels of course (Galileo)
v = sqrt (2 g h)
remember that
v = sqrt (2*9.81*1.24)
v = 4.93 m/s
Respond to this Question
Similar Questions

Physics
A)a 72 kg man jumps from a window 1.2 m above a sidewalk. the acceleration of gravity is 9.81 m/s2. what is his speed just before his feet strike the pavement? 
physics
A 700N man jumps out of a window into a fire net 10 m below. The net stretches 2 m before bringing the man to rest and tossing him back into the air. What is the spring constant of the net? 
Physics
Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.05 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their … 
Physics (PROJECTILE MOTION)
Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.05 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their … 
Physics
A 73.3 kg man steps out a window and falls (from rest) 1.09 m to a sidewalk. What is his speed just before his feet strike the pavement? 
Physics
A 71.1 kg man steps out a window and falls (from rest) 1.24 m to a sidewalk. What is his speed just before his feet strike the pavement? 
physics
Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.65m/s . Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their … 
Physics
A man holds a flower pot out a window 12m from the ground. He tosses the pot upward with a speed of 5m/s. How long does it take the pot to reach the ground? 
Math
Mr. Box lives on the fourth floor of a building and looks out of his window 46 feet above the sidewalk. A cat on the sidewalk below hears the window open and looks up at an angle of elevation of 75ยบ. How far is the cat in feet from … 
physics
A 72 kg man jumps fro a window 1.5 m above a sidewalk. The acceleration of gravity is 9.81 m/s^2. a) what is his speed just before his feet strike the pavement?