Question

A reconnaissance plane flies 545 km away from
its base at 568 m/s. then flies back to its base
at 852 m/s.
What is its average speed?
Answer in its of m/s

Answer 1

Answer:

681.6/ms

Explanation:

A reconnaissance plane flies 545 km away from  its base at 568 m/s. then flies back to its base  at 852 m/s.

What is its average speed?

Answer in its of m/s

Avg speed of the round trip is

2*568*852/(568+852)= 681.6/ms