Starting from rest, a car accelerates at a rate of 4.2 m/s2 for a time of 5 seconds, what is its velocity at the end of this time?

a = v/t

So...

a x t = v

Acceleration is 4.2

and time is 5

(4.2)(5) = v

v = 21 m/s

this would be about 43%

a cold ice-tea.

pour in room temperature or cold water. cover the pitcher and refrigerate. steep white or green tea for 6 to 8 hours; steep black or oolong tea for 8 to 12 hours.jun 28, 2015