TMot14 An automobile accelerates from rest to 40 m

TMot14 An automobile accelerates from rest to 40 m/s in 7.5 s.

Assume constant acceleration and find the distance traveled.

First diagram the situation.

mot14drw01.gif (2999 bytes)

Find the acceleration from

mot14drw02.gif (1535 bytes)

And the distance is from

mot14drw03.gif (1652 bytes)

Alternatively use

mot14drw04.gif (1551 bytes)