A particle falling at its terminal speed vterm is in dynamic equilibrium with no net force. Use Newton's second law for this particle falling in the presence of a downward electric field of strength E, to find an expression for vterm.

Compare and contrast the average kinetic energy of 0.5 L of coffee at 34ÁC,

If a gas pressure gauge reads 15 mm hg, what is the pressure in atmospheres?

Use the table below to identify four substances that undergo a physical change if the temperature is reduced from 50oc to - 50oc. what is the physical change that takes place in each case.

The difference between the third and fourth ionization energies of scandium is much larger than the difference between the third and fourth ionization energies of titanium. why?

All of the following are effects of rain forest destruction except

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?

List the types of radiation in order from least to most damaging.

Which of the following statements best describes the current state of understanding regarding the apparent acceleration of the expansion of the universe?

Should young people be allowed to do extreme sports? (give me two reasons why) 1. Opinion: 2. Reason why: 3. Reason why: