A 700-watt gasoline engine and a 300-watt electric motor both do 3 J of work. Which machine can do the work faster? Explain your answer.

What is the difference between conductors and insulators?

When a piece of copper cools, the copper atoms get closer together True False

What is the resistance of a circuit with a voltage of 10 bolts (v) and a current of 5 amps (a) ?

Dr. gavin decides that instead of conducting a 2 ' 4 independent-groups factorial design, he is going to conduct a 2 ' 4 within-subjects factorial design. which of the following things will change?

Which is the balanced equation for S8 + O2 → SO2? S8 + O16 → 8SO2 S8 + O2 → S8 + O2 S8 + O2 → S8O2 S8 + 8O2 → 8SO2

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?

A person carries a mass of 10 kg and walks along the + x-axis for a distance of 100m with a constant velocity of 2 m/s. What is the work done by this person? A) 20 J B) None of the other choices is correct. C) 0 J D) 200 J

Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?

What is velocity-time graph?