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Answer to Question #39585 in Mechanics | Relativity for rupesh singh
Question #39585
a) The speed of an aeroplane is 1200m/s. The engines take in 80 kg of air per second and
mix it with 40 kg of fuel. This mixture is expelled after it ignites and it moves at a
velocity of 3000m/s relative to the aeroplane. Calculate the thrust of the engine.
b) A 2400 W engine pulls a 200 kg block at constant speed up a 12.0 m long, 25.0° incline.
Determine how long does it takes to cover this distance.
mix it with 40 kg of fuel. This mixture is expelled after it ignites and it moves at a
velocity of 3000m/s relative to the aeroplane. Calculate the thrust of the engine.
b) A 2400 W engine pulls a 200 kg block at constant speed up a 12.0 m long, 25.0° incline.
Determine how long does it takes to cover this distance.
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