Which of the following is an example of a contact force?

Gravity

Magnetic force

Electrical force

Air resistance

A pumpkin pie in a 9.00 in diameter plate is placed upon a rotating tray. Then, the tray is rotated such that the rim of the pie plate moves through a distance of 233 in.

What two measurements of a wave do you need to calculate its speed?

The cross-sectional area of the output piston in a hydraulic device is 3.0 times the area of the input piston. For each 1.5 cm the input piston moves, how far does the output piston move

In 2 or 3 sentences, describe how antitrust laws encourage competition.

A medium with two fixed ends has a length of 1.2 m. What is the wavelength of the third harmonic?

The density of ocean water increases when it a. joins the Gulf Stream. c. gets warmer. b. gets colder.

a) For a given material, would you expect the surface energy to be greater than, the same as, or less than the grain boundary energy?

Determine the stopping distances for a car with an initial speed of 95 km/h and human reaction time of 1.0 s for the following accelerations.

Work is being done in which of these situations? All motions are at a constant velocity (including velocity = zero). A. Jessica pushes a 25 kilogram cart a distance of 10 meters. B. Bane carries a 20 kilogram box a distance of 50 meters. C.

If you increase the size of the resistor and keep the voltage the same, what will happen to the current