The diagram below shows the path of a comet around the Sun. D
B
How does the comet's energy change as it moves from point A to point D?
A. KE increases, GPE increases
B. KE decreases, GPE decreases
C. KE increases, GPE decreases
D. KE decreases, GPE increases

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical

Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence