If Justin races his Chevy Camaro South down I-540 for 2560 meters in 60 seconds. What is his velocity?

1 Answer
Nathan L.
Aug 20, 2017

#v_("av-"x) = 42.7# #"m/s"#

Explanation:

We're asked to find the (average) velocity of the car, given the distance it traveled and the time interval.

The equation for one-dimensional average velocity here is

#v_("av-"x) = (Deltax)/(Deltat)#

where

  • #Deltax# is the displacement

  • #Deltat# is the time interval

We know:

  • #Deltax = 2560# #"m"#

  • #Deltat = 60# #"s"#

So the average velocity is

#color(red)(v_("av-"x)) = (2560color(white)(l)"m")/(60color(white)(l)"s") = color(red)(ulbar(|stackrel(" ")(" "42.7color(white)(l)"m/s"" ")|)#

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