Marcus wants to use two objects to compare the sizes of a proton and an electron. If he uses a basketball for a proton, which object would best represent an electron? Group of answer choices

a pea

a soccer ball

a bowling ball

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it

Which of the following are appropriate acceleration units?