In a cathode ray tube, the accelerating anode is positively charged which can accelerate the electron in cathode ray. why don't the accelerating anode pull back or slow down the electrons after they pass through it?

measure their densities same density, same sub

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles