A. Both ramps have frictionand the coefficient of friction for Ramp 2 is less than the coefficient of friction for Ramp 1 B. Both ramps have frictionand the coefficient of friction for the Ramp 1 is less than the coefficient of friction for Ramp 2

C. Only Ramp 1 has friction

D. Only Ramp 2 has friction

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.