A freeway exit ramp has a single 3.6 m lane and consists entirely of a horizontal curve with a central angle of 90 degrees and length of 200 m. If the distance cleared of obstacles is 6.95 m from the centerline, what design speed was used

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present