If a weightlifter lifts a 286 kg mass 0.25 meters above his head, how much peg does the mass have?

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

Which lists the organs in the correct order as food passes from the mouth to anus?

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?