6. An aircraft engine takes in 9000 J of heat and discards 6400 J each cycle. (a) What is the mechanical work output of the engine during one cycle? (b) What is the thermal efficiency of the engine?

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A: Given: Surveyor move along with the river (AB) = 100 m. Horizontal angle (θ) = 35

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A:

Q: If C is added to B. the result is -9å + 5ĵ. If B is subtracted from C. the result is 4î – ĵ . Find…

A: C→ + B→ = -9i^ + 5j^    ...(1)C→ - B→ = 4i^ -j^    ...(2)

Q: Determine the constants, A and B: 2x-3/(x-3)(x-4) = A/x-3 + B/x-4

A: We solve the equations by comparision of terms.

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A: Analyze the diagram of the given situation.

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Q: Can you please solve number 2 and all of the sub problems and show all of the steps to the solution

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Q: A = 2 units @89 degrees B =7 units @ 22 degrees C= 28 units @ 76 degrees D = 81 units @ 55.8 degrees…

A:

Q: Suppose you walk 15 m in a direction exactly 19° south of west then you walk 25.5 m in a direction…

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Q: are the answers B,A,B?

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Q: A bushwalker walks 15 km east and then 11 km south. Find the bearing of his finishing position from…

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Q: Please show the solutions answers for number 2

A:

Q: The angle made by the two vectors A i + 4j + 5k and B = 5i + 7j + 9k is: A 14.80 degrees 34.80…

A: Given: A→=i^+4j^+5k^B→=5i^+7j^+9k^

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Q: total displacement

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Q: 74 Vectors A and B have identical magnitudes of 5,0 units. Find the angle between them if À + B =…

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Q: A tourist strolling around the city walks 1.72 km north, 1.55 km west, then 2.86 km south. How far…

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Q: ow could the formula be the same? I mean it is not a right triangle.

A: Acceleration  will be not same in both case

Q: can you clear the answer in number 3 ?

A:

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Q: Given vector A =   and vector B = , what is A dot B?

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Q: The magnetic force acting on a straight wire carrying current I of length L in a uniform magnetic…

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Q: From a starting point, you started walking 3 kms west then 4kms north. What is your distance…

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Q: Find two nonnegative numbers x and y such that xy = 162 and 6x + 3y is minimized. X = y =

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