A clothes dryer uses about 7 amps of current from a 240 volt line. How much power does it use?

How do you calculate wave speed?

Which of the following is an example of work being done on an object? A. A wagon is used to carry vegetables from a garden. OB. A pulley is used to get water from a well. C. A hammer is used to remove a nail from a wall. OD. all of these

1. A record player makes 45 revolutions per minute. What is its period?

How many joules would it take to blow up the earth?

What is the acceleration lane?

The liquid contained in batteries that conducts electric charge is called the: solution, electrolyte, suspension, colloid

Someone jumped from a high altitude at 31,000m above the earth. he freefalled for 4 min and 36 secs with top speed of 988 mph

What does the law of reflection mean?

Compared with the peak wavelength given off by the sun, what is the peak wavelength given off by a hotter star? A.) shorter in wavelength and higher in energy B.) shorter in wavelength and lower in energy C.

4. Explain the doppler effect. Be sure to talk about how the wave changes, the perceived change hear by a person that an emitted sound is moving towards, and the perceived change hear by a person that an emitted sound is moving away from. 5.