A constant electric field directed along the positive x-axis has a strength of 2.0 * 10^3 N/C. Find the electric force exerted on a proton by the field.

Agalvanometer has an internal resistance of 100 ω and deflects full-scale at 2.00 ma. what size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 ma, and how should this resistor be connected to the galvanometer?

Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?