In science, the word light refers to what?

a. visible light only

b. visible light and infrared light

c. visible light and ultraviolet light

d. the entire electromagnetic spectrum

A baseball (m = 145 g) approaches a bat horizontally at a speed of 36.0 m/s (80.5 mi/h) and is hit straight back at a speed of 47.8 m/s (107 mi/h). If the ball is in contact with the bat for a time of 1.

Which of the following statements are true? A. Two materials may have similar elastic constants but have vastly different breaking stresses. B. An object can experience both tensile and compressive stresses at the same time. C.

What is determined by motion and the spacing of particles?

Which of the following is not an example of an inclined plane? O A. a boat launch ramp O B. a loading ramp O c. a wheelchair ramp O D. a baseball bat

The process of conversion of solid into gas and again gas into solid is known as

A personal computer uses a number of chips mounted on a circuit board called?

If all organisms have DNA (same 'stuff') how come all organisms look different?

How much voltage can be stored in a thundercloud?

What is work done in physics and how can it be calculated

What is first and second conditions of equilibrium?