Why do stars have names

When a car is at rest, its horn emits a frequency of 600 Hz. A person standing in the middle of the street hears the horn with a frequency of 580 Hz. Should the person jump out of the way?

Describe at least two ways that your understanding of the Doppler effect could be applied to everyday life

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance? luster hardness density viscosity

An object traveling around another object in space is in what?

Some wave characteristics depend upon how the wave is produced. other wave characteristics depend upon the properties of the medium.

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.