Assessment 8 You carry a 5-kg rock up a road that winds around a mountain. The road begins at sea level and
is 2 km long. At the top of the mountain, you are 600 m above sea level. What is the change in
gravitational potential energy of the rock-Earth system? Represent the process with a bar chart.

What are atoms of the same element with varying number of neutrons

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

Which planet do you think would be easiest for humans to colonize some day?