If an artificial heart is capable of pumping at least 5.7x10' pints of blood before failure, how long, in years, will it robably last in a patient whose average heart rate is 72 beats per minute and an average stroke volume (the amount
f blood pumped with each beat) is 70 mL?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?