40.smaller objects in the solar system can collide with earth, causingerosion. earthquakes. impact craters. weathering.

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?