The possible presence of a supermassive black hole at the center of our galaxy has been deduced from

Microphone Electricity needs

2) A lamp is plugged into a standard 120-volt outlet. If the lamp draws a current of 0.5-amps, how much energy is consumed in 1 minute?

What is the correct displacement for the following vectors: 4km south, 2 km north, 5 km south, and 5 km north?

As dry air rises, it expands, and this causes it to cool about 1 degree celsius for every 100 meter rise, up to a height of 12 km.

In a series circuit, when you add more resistance, what will happen to the amount of current?

The volume of a gas is reduced when the temperature is decreased

Describe the Dark Ages of our universe.

Two boxes, P and Q, are at rest on a frictionless horizontal surface. A light, flexible cord connects them. The mass of P is greater than the mass of Q.

Determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic field. The electric field and the magnetic field are also perpendicular to each other and have magnitudes 7.7 x 10^3 V/m and 7.

What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k = 8.99 * 109 N • ___ V What is the electric potential at a distance of 99 m from the charge?___ V