A trip travelling to you not at 20 metres per second turns best and travels at the same speed the change in its velocity v
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By Pythagoras theorem , change in velocity is given by the hypotenuse As :
__________
|Δv| = √( v1^2) +(v2^2)
__________
|Δv| = √( 20^2) + (20^2)
= 20√2 m/s .
The direction is south -west ...
__________
|Δv| = √( v1^2) +(v2^2)
__________
|Δv| = √( 20^2) + (20^2)
= 20√2 m/s .
The direction is south -west ...
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