The wave approaching a boundary is called a

The blade of an electric shaver vibrates in a simple harmonic motion with a frequency 235.0 Hz over a distance 6.6 mm. What is the amplitude of vibration?

A 75 kg person walking around a corner bumped directly into an 80 kg person who was running around the same corner. The momentum of the 80 kg person.

What will the speed of a sound wave change if the Temperature of the medium rises

When sweat evaporates from your skin the temp of your skin decreases this is because

The lengthening of a transmitted signal's wavelength and/or a decrease in its frequency, which indicates that the object is moving away from the observer, is called the

When a person stands on a rotating merry-go-round the frictional force?

A planet is discovered orbiting around a star in the galaxy Andromeda at four times the distance from the star as Earth is from the Sun.

Measurements of how orbital speeds depend on distance from the center of our galaxy tell us that stars in the outskirts of the galaxy. True or False

Identify what is required to calculate the atomic number and atomic mass of an element

What device is used to measure the current in a circuit