Driving to work one morning, you get a flat tire. When using the car jack, you apply 120N of force to the jack and the jack in turn applies 2000N of force to lift the car up. What is the mechanical advantage of the jack?

If the force of friction resisting the students push is 4 N what is the net force acting on the board if the student is applying 10 N of force?

Which of the following gases are typically used for colorful lighting when an electric current is apllied

What is the distance from the crest to the equilibrium of a wave called?

What would be the effect of doubling the rate of star formation, R*, on the results of the Drake equation? Drake equation: N = R * * ƒp * ne * ƒl * ƒi * ƒc * L A. There would be no difference in the results. B.

Which of the following statements is a consequence of the equation E = mc2? A Energy is released when matter is destroyed. B Mass and energy are equivalent.

Give a sentence with the word velocity in it

Which description matches up correctly with each type of particle? Alpha - no mass and no charge; beta - mass of 4 and charge of + 2; gamma - charge of - 1 and mass of 0 Alpha - mass of 0 and charge of - 1; beta - mass of 4 and charge of + 2;

Describe the factors that form deep currents

A comet is cruising through the solar system at a speed of 50000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time in kilometers, miles, and light years?

A gas in a closed container is heated with 12J of energy, causing the lid of the container to rise 3m with 5N of force. What is the total change in energy?