When does a nebula become a star?

Suppose an automobile has a kinetic energy of 2300 J. When it moves with six times the speed, what will be its kinetic energy? Answer in units of J.

Constructive interference takes place when the crest of one wave balances out or cancels out the trough of an interfering wave.

A skateboard with a mass of 4 kg is moving at a speed of 10 meters per second on a level surface. It encounters a hill and rolls up until it stops. Ignoring friction, to what vertical height does it rise (in meters) ?

Which of these is most directly related to the mass of an object? Weight Acceleration Volume Inertia

What is meant by the following statement? "Inertia is directly proportional to mass." Inertia and mass are the same thing. Inertia and mass are the same size. Inertia increases as mass decreases. Inertia increases as mass increases.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.