Question #269485

Arlene is stationary relative to the ground. Aiza is riding toward Arlene on her e-bike 5 m/s relative to the ground. Aiza throws a water balloon forward at 3 m/s relative to the e-bike. With what speed does it strike Arlene?

Expert's answer

v=v+u=8 ms.v'=v+u=8~\frac ms.


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