How do increases in temperature affect the density of ocean water?

a. density decreases

b. density does not change

c. density increases

d. density becomes variable

How is the gravitational force related to the distance between two objects?

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?

What happens to an isotope during radioactive decay?