If the same pair of shoes weigh 0.3 newtons on Pluto, what is the strength of gravity on Pluto?

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?