According to the united states department of energy, what is the reliability rating of the u. s. electrical grid?

a. 99.3%

b. 99.5%

c. 99.7%

d. 99.9%

Soap bubbles can display impressive colors, which are the result of the enhanced reflection of light of particular wavelengths from the bubbles/' walls. for a soap solution with index of refraction of 1.

A car is traveling with a velocity of 35.4 m/s. The mass of the car is 2000 kg. What is the momentum of the car? And can you explain how to figure this out? The choices are: a. 65.5 kg*m/s b. 70,800 kg*m/s c. 78,000 kg*m/s d. 56.5 kg*m/s

Is the force of gravity stronger on a piece of paper when it is crumpled? is the force of gravity stronger on a piece of iron than it is on a piece of wood, if they both have the same mass?

A truck travels at a constant speed of 45 kilometers per hour. How far does the truck travel in 20 minutes?

Conduction transfers Thermal energy by

A crude approximation for the x component of velocity in an incompressible laminar boundary layer is a linear variation from u = 0 at the surface (y = 0) to the freestream velocity, U, at the boundary-layer edge (y = δ).

Why did dad leave mom?

Sal drew the electron dot diagram of an aluminum atom as shown. How should Sal correct his diagram? He should add five more dots so that the atom obeys the octet rule. He should add ten more dots so that all thirteen electrons are shown.

What uses electricity

How do the elements in the Noble Gas family compare?