What are the wavelengths of electrons with kinetic energies 10 ev, 1000 ev, and 10^7 ev?

A 60.0 kg object is moving east at 8.00 m/s, and then slows down to 4.00 m/s. How much work was done?

What happens when a roller coaster car moves down from the top of a hill? A. Potential energy is transformed into electrical energy. B. Potential energy is transformed into only kinetic energy. C. Kinetic energy is transformed into electrical energy.

Which of the following statements apply to electric charges? There are three types of charges Like charges attract, opposite charges repel If a positively charged rod is brought close to a positively charged object, the two objects will repel If a

If a car maintains a constant velocity of 25 m/s what it the car's acceleration

What happens to your weight on Earth when your mass increases? It stays constant. It also increases. It decreases.

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines

You place a cup of 210 degrees F coffee on a table in a room that is 68 degrees F, and 10 minutes later, it is 200 degrees F. Approximately how long will it be before the coffee is 180 degrees F? Use Newton's law of cooling:

What change occurs to the mass of an object when an unbalanced force is applied to it? A. The mass increases. B. The mass decreases. C. The mass remains the same. D. The mass reduces to zero. E. The mass changes by an indeterminate amount.

The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if a. demand increases and supply decreases. b. demand increases and supply increases. c. demand decreases and supply increases. d.

The nearest large galaxy to our own is about 2.5 million light-years away. how many meters is that