The distance from the ground to the floor of the trailer is 22 inches. The length of the ramp is 44 inches. What is the mechanical advantage of this simple machine? A.
1/2
B.
2
C.
1/3
D.
22

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j

The radius of an atom is closest in size to a