Explain why sublimation and deposition are classified as physical changes

In the absence of friction, an object will

What is the value of (g) at north pole and at equator?

Find the acceleration of a train whose speed increases from 7m/s to 17 m/s in 120s

The tonga trench is located at the tectonic boundary between the pacific plate and the

4. What are three tips parents can use to improve communication with their children? Discuss one that you think is most important

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.