A train travels from the of a hill to the top of a hill. It moves slower by the time it reaches the top. This is an example of

A boy lifts a 30N dragon 2 meters above the ground. How much work did the boy do in the dragon? What is the work?

The amount of fluid displaced by a submerged object depends on its

What is the pressure exerted by 0.801 mol of co2 in a 12 l container?

What can you conclude about the resistors connected in series and in parallel?

In a given chemical reaction, the energy of the products is kess than the energy of the reactants. Which statement is true for this chemical reaction? A energy is absorbed in the reaction.

When two frequencies are added together, the beat frequency and the average frequency are an octave apart?

When sunlight strikes oil on the surface of water, a variety of colors are observed. What is the best explanation for this observation? A) Oil reflects the light and the lens of our eyes break it into component colors.

How is lifting a counterweight of a trebuchet considered doing work? Use the definition of work (W = Fd) in your description.

A pendulum takes. 5 seconds tp complete one cycle. what is the pendulum"s period and frequency?

Determine the answer to the equation 30 km/h * 17 h =