Which type of friction keeps a pile of rocks from falling apart?

Which procedure allow you to determine the volume of an irregularly shaped object

If the index of refraction of glass is 1.8 and the speed of light in air is 3.00 · 108 m/s, what is the speed of light in that glass? (Round answer to nearest hundredth.) 1.67 * 10^8 6.00 * 10^-9 5.40 * 10^8

Calculate the orbital period of a spacecraft in an orbit 300 kilometers above earth's surface

A sulfur dioxide molecule has one sulfur atom and two oxygen atoms. Which is its correct chemical formula? A. SO2 C. S2O2 B. (SO) D. S20

Why are temperature and thermal energy similar and why are they different?

An RV is traveling 60 km/h along a highway at night. A boy sitting near the driver of the RV turns a flashlight on and shines it at another boy at the back end of the RV.

What is superluminal speed?

Which best describes a relationship among the vectors? Vectors P and Py are components of vector Px. Vectors Px and Py are components of vector P.

Suppose you want to heat a 600 mL cup of water in the microwave from 20° to 100°C. Water has a specific heat capacity of 4.184 J/g°C and a density of 1.00 g/mL in this temperature range. How much energy is required to heat the cup of water?

What are possible units of speed or velocity? A. km/hr B. sec/m C. kg/sec D. m/sec2