A stationary object has no forces acting on it. True False

Calculate the force exerted by a machine that does 4800 J of work over a distance of 22.5 m?

The wavelength of a wave is the distance between a. the crest and the following trough. b. two consecutive crests. c. the amplitude and the normal position. d. the rarefaction and the following compression.

Why does a transformer require AC rather than DC? A. so that the magnetic field can be intensified B. so that the energy will be able to be transferred from one coil to another C. so that there will be enough voltage for transformation D.

A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.

A hill that has a 33.9% grade is one that rises 33.9 m vertically for every 100.0m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?

1.) A circuit has a current of 0.5A and a resistence of 8 ohms. What is the resistence? 2.) A circuit has a voltage of 9V and a current of 3A, what is the resistence?

What is the source of energy for the process of evaporation?

How could you compare the energy carried in two different longitudinal waves

The instantaneous velocity of an object is the blank of the object with a blank

Which of the following best describes the earth's average surface temperature for the past 900,000 years? A. a steady warming trend B. fairly steady temperatures until recently C. prolonged periods of cooling and warming D.