If a small machine does 2,500 joules of work on an object to move it a distance of 100 meters in 10 seconds,
what is the force needed to do the work? what is the power of the machine doing the work?

Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.

The material that keeps its new shape after it is stretched is called?

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.