1. You use an electric motor that requires 850 J of energy to lift the mass.

2. You pull the rope of a pulley, which is
attached to the mass, a distance of 6.0 m
with a force of ~ 50 N.

3. You push the mass 10m up a ramp with a
force of 140 N.

Help me with any of these questions please it will help alot.

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

Why did jefferson oppose the assumption of the debt

Explain how the poverty level is determined. on edinuity* the possible answer may the poverty level is defined by the u.s. bureau of the census and it is determined by calculating the cost of providing an adequate diet. this number is then multiplied by three because research has indicated that poor people spend a third of their income on food.