treavonknorton
29.07.2019 •
Physics
An airplane of mass 5000 kg flies in a straight line at steady speed of 70 m/s. wind resistance pushes backwards on the airplane with a force of 2000 newtons.is the forward force that the engine exerts on the airplane greater than, less than, or equal to 2000 n? explain.
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Ответ:
Answer to the question:
Explanation:
The forward force that the engine exerts on the airplane ar equal to 2000 N because there is no acceleration on the movement of the airplane.
Fengine - Fwind = m* a
with a=0 m/s²
Fengine = Fwind
Ответ:
HYPOTHESIS: A proposed explanation for a set of observations or answer to a scientific question that can be tested.
Explanation: