Posted by Nicole on Tuesday, February 12, 2013 at 12:28pm.
Ek + Ep = mg*37.
Ek + mg*18.5 = mg*37
Ek = mg*37 - mg*18.5 = mg*18.5
Ek = 0.5m*V^2 = mg*18.5
V^2 = mg*18.5/0.5m = 2g*18.5 = 19.6*18.5
= 363 Joules.
V = 19 m/s.
Ek = Kinetic energy.
Ep = Potential energy.
Correction
V^2 = 363 (m/s)^2. NOT 363 Joules.
Related Questions
physics - A crane lifts a concrete hopper of mass 370 kg from the ground to the ...
physics - A crane lifts a concrete hopper of mass 370 kg from the ground to the ...
Physics - The arm of a crane at a construction site is 13.1 m long, and it makes...
Physics - A stone, initially at rest, is dropped from the top of a building. On ...
Physics 11 - A stone at rest is dropped from a 20m tall building. After falling ...
Physics - A penny is dropped from rest from the top of a very tall building. ...
Physics(Please respond) - 1) A penny is dropped from rest from the top of a very...
physics - a ball is dropped from the top of a 5m tall building. what is the ...
physics - At a construction site a pipe wrench struck the ground with a speed of...
physics - At a construction site a pipe wrench struck the ground with a speed of...
For Further Reading
