You use sunglasses to reduce the glare of the sun when you go outside. you are taking advantages of light’s ability to do which of the following?
possible answers:
to reflect
to refract
to diffract
to polarize

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.