One property that makes electromagnetic waves differ from other types of waves is that they can

Why are red stars cooler than blue stars?

Caleb misjudges while parking, and bumps his car into a brick wall at 3 mph. his bumper brings the car to a stop in about 2 inches. we wish to estimate the force the wall exerts on the car during this bump.

A drop in pitch as a vehicle passes is known as the effect

Two technicians are discussing how a clutch disengages. Technician A says a gap on each side of the clutch disk facing when disengaged. Technician B says the marcel/cushion plage in the disc will flatten. Who is Correct?

what properties of substance would you need to know in order to determine if it is a pure substance or mixture?

What are some characteristics that are determined by DNA

Which statements accurately describe convection in water? Check all that apply. Cold water sinks because it is less dense than warm water. Cold water sinks because it is more dense than warm water.

Which of the following sentences about the velocity of an object is NOT true? A. The object's velocity is a scalar quantity. B. When the direction of motion changes, the velocity changes. C.

1. What kind of reaction takes place when garbage decomposes? (Explain your answer) 2. According to the law of conservation of mass, mass is neither created or destroyed. How is mass conserved when trash decomposes? 3.

A switch running stp is classified as a backup bridge. what state is it in