use dimensional analysis to show that the expression v=vo+at is dimensionally correct,,,where V and vo represent velocities and t is the time interval

we need to know the time interval during which the force acts. impulse of force = momentum change

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

elctricity and magnet is conversion to it