# A runner jogs 12km North then turns and runs 16km East three hours

## d = d1+d2 = 12 + 16 = 28km = Total distance ran.

If the time was 3h,

r = 28km/3h = 9.33 km/h = Avg. speed.

Disp. = 16 + 12i = 20km[36.9o].

V = 20km[36.9o]/3h = 6.67km/h[36.9o].

## Techer Guide

## A runner jogs 12 km North then turns and runs 16 km east. Calculate his average speed.

## the answer is true

## 0916731708

## vector that in youcan trvixed

12+16+3-3=28