The density of iron is 7500kg/m³. If the volume of a piece of iron is 200cm³ determine its mass.

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block