Problem 2-62 - Distance and speed - Part 5 (c)

A truck travels at \(80 \;km/h\) for \(30\; min\), then at \(60 \;km/h\) for \(1.5\; hr.\) Assuming 2 significant digits in the given numbers, calculate the truck's
(a) total distance traveled, and
(b) average speed.

Accumulated Solution

\(\mathrm{speed = \frac{d}{\Delta t} \\d = (speed) \Delta t \\ d_1 = 40 km}\)

No. Go back and study the first calculation.