What force keeps an object moving in a circle

IF your mass is 40 kg, what is your weight on earth

Two physics professors challenge each other to a 100 m race across a football field. The loser will grade the winner's lab reports for a month. Dr. Nelson runs the race is 10.40s. Dr. Bay runs the first 25.0 m with an average speed of 10.

Sleepwalking, night terrors, and restless leg syndrome are all examples of what?

One long wire carries current 30.0 A to the left along the x axis. A second long wire carries current 50.0 A to the right along the line (y 5 0.280 m, z 5 0).

Technician A says that power is the rate that energy is stored. Technician B says that power refers to the rate that energy is transformed into another kind of energy. Who is correct? Select one: a. Technician A b. Technician B c.

How many elements are in the lanthanide series?

Photon energy is proportional to which of the following. a. speed of light in a vacuum. B frequency of the light emitting the photon. C intensity of the light emmitting the photon. D wavelegnth of light emmitting thr photon.

Each half of earth surface is called

Explain how wavelength and frequency are important when determining the type of light.

Suppose that you had an electrically charged stick. If you divided the stick in half, each half would have half the original charge. If you split each of these halves, each piece would have a quarter of the original charge.