Coulomb’s law is similar to what other law in physics?

Which of the following represents a virtual image?

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.