What is a US unit for power?

Two scientists are discussing their beliefs about something they cannot observe

How long will it take a transverse wave to propagate from one end of the string to the other?

Instructions:Select all the correct answers. Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? 1. Burning fossil fuels contributes to climate change. 2.

What happens to the energy of a wave as it travels and objects in their paths move?

Two football players are pushing a 60 kg blocking sled across the field at a constant speed of 2.0 m/s. The coefficient of kinetic friction between the grass and the sled is 0.30.

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

what is a possible unit for the product VI, where V is the potential difference across a resistor and I is the current through the same resistor?