What is the magnitude (in n/c) and direction of an electric field that exerts a 4.00 x 10^−5 n upward force on a −2.00 µc charge? magnitude n/c
direction: upward, downward, to the left, to the right

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

What’s #16 asking me and how do i solve it?

What does si stand for,when referring to a system of measurement