If a .35 kg bullet made a 3.0 kg block swing to change its height to .25 m how fast does a bullet traveling

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.

What is the temperature in degrees celsius of a substance with a tempature of 49k

How does an observation about an object differ from an inference about that object