Question

2.
A truck travelling due north at 20 m/s turns west and travels at
the same speed. The change in its velocity be
(a) 40 m/s N-W
(b) 2012 m/s N-W
(c) 40 m/s S-W
(d) 2012 m/s S-W​

Answer 1

Answer:

d

Explanation:

H² = P² + B²

H =

$\sqrt{800}$

$20\sqrt[]{2}$

And the resultant will lie in the south west direction .Hence , d is the correct option