Which wheel and axle would allow a load of rocks to be dragged with less force?
Two wheel and axles
A. Wheel and axle A.
B. Wheel and axle B.
C. Both devices would require the same amount of force.
D. Not enough information

Which of the following statements correctly describes a transformer?

How much hereditary information is contain in a human sex cell

An electron and a proton are held on an x axis, with the electron at x = + 1.000 m and the proton at x = - 1.000 m. part a how much work is required to bring an additional electron from infinity to the origin? express your answer with the appropriate units. part b if, instead of the second electron coming in from infinity, it is initially at x = + 20.00 m on the axis and is given an initial velocity of 100.0 m/s toward the origin, does it reach the origin? part c how close to the origin does it come?