Atrain accelerates at a rate of 2.5 km/hr/sec. during the acceleration period, its velocity changes by 55 km/hr. how long did the train accelerate? 1,200 s 22 hr 22 s 0.045 s

answer: b.

explanation:

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