goldengirlmay11
goldengirlmay11 goldengirlmay11
  • 19-09-2016
  • Physics
contestada

a train comes to a stop in 3 minutes. if the train had a uniform acceleration of -3.5 m/s/s what was initial velocity of the the train?

Respuesta :

AL2006
AL2006 AL2006
  • 19-09-2016
3 minutes = 180 seconds.
If it spent the entire 180 seconds slowing down at the rate of 3.5 m/s every second, then it began the 3 minutes at the speed of (180 x 3.5)=630 m/s. That's about 1,409 mph !
Answer Link

Otras preguntas

it’s thanksgiving break for him, so I decided to be kind enough to give those who need points. What are you grateful/thankful for?
What two subatomic particles add up to make the mass?
Which equation represents an exponential function that passes through the point (2, 36)?f(x) = 4(3)xf(x) = 4(x)3f(x) = 6(3)xf(x) = 6(x)3
Answer:*******************brainliest
what are the five properties of blood?
HELP will mark brainliest
Ashante purchased x balls which cost $24 each and y nets which cost $54 each for a socer team that she coaches. She bought a total of 8 items for a cost of $252
In the student-teachers conversation, what was the main message the teacher was trying to communicate
PLEASE HELP REALLY QUICK Jose starts a savings account with $80. At the end of 6 months, the account has $350. Assuming there is a constant rate, how much did
Drag the tiles to the boxes to form correct pairs. Match each illustration technique to the appropriate function.