what is the correct energy transformation in a hot air balloon? 1 point chemical>thermal>kinetic mechanical>sound>electrical chemical>light>electrical kinetic>mechanical>light

Which is not true about oxygen-17 and oxygen-18?

How is zig zagging a form of acceleration?

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?