What is a material that lets light pass thorough freely

Which of the following are appropriate acceleration units?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created

Mrs. smith does her daily chores. she walks 5 m to the laundry room and then turns around and walks -14 m to the kitchen. the whole process takes her 11 minutes. what was her average velocity for these events? (choose more than 1) a. 1.48 m/s b. 0.212 m/s c. -0.136 m/s d. -0.0075 m/s