What isn't a charecteristic of the part of the atom A?

2. In the winter, weather reporters often day "It will be a very cold night because there are no clouds." a. Use the sim to see if you can understand why this could be true. b. Describe your observations. c.

All galaxies follow the law of gravity. True or False

The wavelength of red light is 650 nanometers. how much bigger is the wavelength of a water wave that measures 2 meters?

Which of the choices is not a statement or direct application of the second law of thermodynamics? There are no 100% efficient heat engines. Heat energy naturally transfers from a high temperature substance to a low temperature substance.

Which best describes a difference between laser light and regular light?

The moon orbits the earth at a distance of about 60 earth radii away. However, its gravitational pull is still large enough to cause the ocean tides on the earth.

What is the change in velocity if the final velocity is 80 mph and the initial velocity is 20 mph? Is the object speeding up or slowing down?

3 A wave that forms a stationary pattern in which portions of the wave do not move and other portions move with a large amplitude

A cork is floating in salty water. As more salt is added to the water to increase its density, the cork will

Which of the following planets has the highest surface temperature as compared to the others? Earth Jupiter Mars Venus