Aforce of 4400 n is exerted on a piston that has an area of 0.020 m.
what force is exerted on a second piston that has an area of 0.040 m-?
a. 8800
b.220,000
c.88
d.2200

Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be

Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big

Explain why electric current cannot exist if a current doesn't have a voltage source.