2) If the centripetal force on an object in uniform circular motion is increased, what is the effect on (a) the frequency of rotation f (with r constant) and (b) f and r when both are free to vary

How can you tell the difference between halite, calcite, and gypsum

A mercury atom in the ground state absorbs 20.00 electronvolts of energy and is ionized by losing an electron. How much kinetic energy does this electron have after the ionization?

To reduce inductive reactance, what devices are normally placed on transmission or distribution lines?

Who has more momentum a person running or the same person walking? A) Walking B) Runing D) It depends on the mass D) All of the above

The biosphere contains A.) all of the Earth's plants only B.) all of the Earth's animals only C.) all of the Earth's living organisms D.) all of the Earth's rocks

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas

The power of a 1.5-volt alkaline cell varies with the number of hours of operation. A brand new D-cell can deliver as much as 13 A through a copper wire connected between terminals. Determine the power of a brand new D-cell.

You measure a watch's hour and minute hands to be 7.4 mm and 12.1 mm long, respectively. Part A In one day, by how much does the distance traveled by the tip of the minute hand exceed the distance traveled by the tip of the hour hand?