A 50,000-kg train car moving at 2 m/s collides and connects to another identical car initially at rest.

0.11 m/s and 0.28 m/s should be correct

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

pecialized keyboards

magnets not strong enough

explanation: