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4 years ago

Please answer the question on the picture

Physics

1 answer:

timofeeve [1]4 years ago

8 0

Answer is B:) because you just woke up

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When its 75 kW (100 hp) engine is generating full power, a small, single-engine airplane with mass 700 kg gains altitude at a ra

bearhunter [10]

Answer:

Fraction of engine is 0.23

Explanation:

Given Data

m=700 kg

v=2.5 m/s

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Solution

Work done against gravity is given as

P=Fv

where F=mg

P=mgv

P=(700kg)×(9.8m/ $s^{2}$ )×(2.5m/s)

P=17.15 kW

To find Fraction

$\frac{17.5}{75}=0.23$

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