2) Gia leaned that the mass of an electron is about 99014 10 kilograms while the mass et a proton is about 1.3726 X 10" clograms. Compare the mass of an electron with the mass of
a proton. Which is larger? By how many times

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.