Agirl, moving at 8.8 m/s on in-line skates, is overtaking a boy moving at 4.3 m/s as they both skate on a straight path. the boy tosses a ball backward toward the girl, giving it speed 11.4 m/s relative to him. what is the speed of the ball relative to the girl, who catches it?

16.5 m/s

Explanation:

Given

Velocity of boy

velocity of girl

velocity of ball relative to boy backward

Now We have to find velocity of ball relative to girl

Representing it in vector form

and

therefore velocity of ball relative to girl

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