1 point
1.A jet aeroplane travelling at
the speed of 1500 km h-1
ejects its products of
combustion at the speed of
2500 km h-1 relative to the jet
plane. What is the speed of the
latter with respect to an
observer on the ground?(
Answer must be a number)
Answers
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Answer:
idk ..................
Answered by
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Answer:
411
Explanation:
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