Question

A girl who rides a bicycle with a speed of 8 m/s is overtaking her mother moving at 5 m/s
on a straight road. The girl's mother throws a ball backwards towards her daughter,
giving it speed of 12 m/s relative to her. Calculate the speed of the ball relative to the girl.
(a) 25 m/s
(b) _9 m/s
(c) –20 m/s
(d) 15 m/s​

Answer 1

Answer:

c is the answer

Explanation:

c is the answer