A wave has a wavelength of 30 mm and a frequency of 5.0 hertz. What is its speed?

The speed of light in a certain medium is 61.2% of the speed of light in vacuum. What is the index of refraction of the medium?

Which of the subatomic particles determine the mass of an atom?

What effects can occur when heat energy is added to a system? Select all that apply. increase in temperature decrease in temperature change of state phase change

In a stringed musical instrument, the sound frequency of a particular string can be increased by A. tightening the string. B. increasing the string's thickness. C. loosening the string. D. lengthening the string.

According to Newton's second law of motion, force equals mass times acceleration (F = ma). Given that a car has a mass of 3,000 kg, how much force would be needed to accelerate it 2 m/s²? A 1,500 N B 6,000 N C 3,000 N D 1,000 N

Scscientist ask questions and make observations what types of questions and observations would you make if you are scientist studying schools of fish in the ocean

4. Water is flowing at 12m/s in a horizontal pipe under a pressure of 600kpa radius 2cm. a. What is the speed of the water on the other side of 0.5cm radius? b. What is the pressure of the other side?

What caused the solar system to form a disk?

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?