Question

A truck travelling due north at 20 m/s turns west and travels at the same speed. The change in its velocity be

Answer 1

Answer:

20m/s due west.

Explanation:

At first it was moving towards north at 20 metre per second but now it has gone to west at 20 metre per second, so this is the change.

Answer 2

Answer:20✓2 m/s (north-west)

Explanation:Since the speed is same ,so by using the formula 2s sin(90°/2)