If a current of 2. 4 a is flowing in a cylindrical wire of diameter 2. 0 mm, what is the average current density in this wire?.

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.

because if the tool that you are using is not balanced it there would be false mass.

conservation of mass

mass before something happens = mass afterwards