An electron is carried from the positive terminal to the negative terminal of a 9 v battery. how much work is required in carrying this electron?

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?