Explain how many electrons must move past a point every second to equal one ampere of electric current

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?