Adistance-time graph indicates that an object travels 2 m in 2 s and then travels another 80 m during the next 40 s. what is the average speed of the object? 8 m/s 2 m/s 10 m/s 4 m/s

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

What are similarities and differences between refraction, reflection, diffraction and absorption?

Which radioisotope is used in dating geological formations?