Question

A train is moving eastward at 10 m/sec.
A waiter is walking eastward at 1.2m/
sec; and a fly is charging toward the
north across the waiter's tray at 2 m/s.
What is the velocity of the fly relative to
Earth
Ans: 11.4 m/s, 10° due north of east]
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Answer 1

11.4 m/s , 10⁰ due north of east)

I think it is right answer