If a = 60 cm, b = 80 cm, Q = -3 nC, and q = 8 nC, what is the magnitude of the electric field (in N/C) at point P in the figure? The answer is 45.9. Any help? with detailed steps if possible thank you.

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?

What part of the ear is names after tools, such as the hammer and the anvil?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?