Electrons have a mass of about . A. 2,000 times that of a neutron

B. 1/2,000 that of a proton

C. the same as a neutron

D. the same as a proton

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a. true or b. false

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation