How do most black holes form?

How is sound created (at the particle level) ?

A ball on a string makes 25.0 revolutions in 9.37 s, in a circle radius 0.450 m. What is it's velocity?

When the balls are brought close together, without touching, the following observations are made: Balls B, C, and D are attracted to ball A. Balls B and D have no effect on each other. Balls B is attracted to ball C.

According to newton's second law of motion acceleration of an object depends upon the?

Atoms, lons, and Isotopes Try Now Match the term with its description: 1.___Positive charge 2.___Smallest matter 3.___Atomic mass 4.___Where protons and neutrons are found 5.___Negative charge 6.___Where electrons are found 7.___Neutral charge A.

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