Why does light change path when it changes mediums

When jennifer is out for a ride, she slows down on her bike as she approaches a group of hikers on a trail. explan how her acceleration can be positive even though her speed is decreasing.

In terms of impulse and momentum, why are air bags in automobiles a good idea

What is the smallest distance between the speakers for which the interference of the sound waves is destructive?

As the phase difference between two interfering waves changes from 180° to 0°, the amplitude of the resultant wave A) Decreases B) Increases C) Remains the same

Who hold the most status in Canada? why?

The maximum kinetic energy of photoelectrons is 3.10 ev. when the wavelength of the light is increased by 50%, the maximum energy decreases to 1.50 ev. part a what is the work function of the cathode?

Which of the following most completely describes an objects motion? A. a car travels 25 miles. B. The baby crawls 10 feet in 15 seconds toward the door. C. A marble rolls 10 m to the left D. The rain falls at a rate of one inch per hour

Why is the use of carbon-14 limited

Why do cell sometimes need to use active transport?

Why is carbon and nitrogen important?