A car travels 22.7 m/s north for 30.4 minutes and then reverses direction and travels 27.5 m/s for 14.8 minutes. What is the car's total displacement?

Question

A car travels 22.7 m/s north for 30.4 minutes and then reverses direction and travels 27.5 m/s for 14.8 minutes.   What is the car's total displacement?

jwt625 · Answer

22.7*30.4*60-27.5*14.8*60=16984.8

anonymous · Answer

so i'm guessing multiple choice would be 1.70 x 10^4?

anonymous · Answer

u mind explaining this a bit for me?  like where does the *60 come from?

jwt625 · Answer

30.4minutes=30.4*60second

anonymous · Answer

alright i get that....would u verify an answer for me for another question?

jwt625 · Answer

yes,I'll try

anonymous · Answer

okay.....an electron starting from rest and moving with constant acceleration travels 1.3 cm in 2.2 ms.  What is the magnitude of this acceleration in km/s^2

jwt625 · Answer

may be 650/121 km/s^2 ?if I didn't make a mistake.

anonymous · Answer

well i got 5.4

anonymous · Answer

which i believe is the same answer

anonymous · Answer

so that's good....thanks so much for your help

jwt625 · Answer

my pleasure