What does v or vf stand for? What SI units are used to measure it?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.