performing a sufficient number of trials allows you to be more confident that your results are correct and it helps you distinguish between real results and those that resulted from experimental

the diagram which shows forces as either balanced = same speed or unbalanced = accelerarting

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

snell's law

refractve index = sin incidence / sin refraction

answer( sicar );