Which of these is NOT needed to sustain life on a planet? * O atmosphere
O people
O proximity to the sun
O liquid water

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?

Find the mass by adding the numbers from the three sliders

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above