If the four Pratt & Whitney PW4000 turbofan engines of a Boeing747-400 aircraft do 5.62 Million Joules of work during a takeoff run that is 3185 m long, calculate the total thrust during takeoff for each of the PW4000 engines. what is the approximate maximum thrust of each of the Boeing 747-400's engines during takeoff (in pounds-force)?

Q: An airplane of mass 1.50 x 104 kg is moving at 60.0 m/s.The pilot then increases the engine’s thrust…

A: Mass of the airplane = 1.50 X 104 kgInitial Speed of the airplane = 60 m/sThrust force = 7.50 X 104…

Q: A baseball is thrown and lands 120 m away. While the ball is in flight, assuming the effect of air…

A: Horizontal distance (d) = 120 m Air friction = negligible

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A: as per our guidelines we are supposed to answer only one question. Kindly repost other question as…

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Q: d e a W = W; W= CW; W, = 2 W3 W - 4 W; W; = 2W.

A: Given Data: The applied force on both caritos is FA = FB. The time taken by caritos A is tA = 2tB.…

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Q: A freight train consists of two 9.00 ✕ 105 kg engines and 50 cars with average masses of 3.50 ✕ 105…

A: (a)   From Newton’s second law of motion, the force exerted by each engine can be determined as…

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A: Mass of beetle,

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A: Mass (m) = 0.719 kg Initial speed (u) = 22.1 ms

Q: (4) Need to know the weight of the block to answer. (5) Need to know the coetficient of friction a,…

A: The equation for the work done is,

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A: suppose we throw a ball upward to a height h then gravitational force will act on it in the vertical…

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A:

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A: Given data as per question Friction between skis and snow =0.209 Calculation speed at bottom at…

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A: To determine: The correct option.

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A: a)Apply law of conservation of energy

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A: Introduction: The work done on a body is the dot product of the force and the displacement of the…

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A:

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A:

Q: A hockey puck is given an initial speed of 4.8  m/s  If the coefficient of kinetic friction between…

A: GIven:  The intial speed of the puck is 4.8 m/s. The coefficient of kinetic friction is 0.05. The…

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A:

Q: Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. If a…

A: at the base of slide from given figure it is clear that the net velocity is horizontal ,there is no…

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A:

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A: Power delivered is P = 40 hp 1 hp = 745.7 Watts  => P = 40×745.7 Watts  => P = 29828 Watts…

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A: Draw the free-body diagram of the block and crewman as shown below.

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A: Required data can be observed in the question.

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A: Mass of lunchbox, m= 4kg

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A: Data Given ,  Mass of the hockey puck ( m ) = 2 kg  Initial speed ( u ) = 20 m/s Displacement ( s )…

Q: Q (): Ifa 3 kg ball is thrown straight up into the air with initial speed of 25 m/s, the kinetic pne…

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Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4…

A: On neglecting all conservative force there will be no loss of energy therefore   velocity of…

Q: In the following figure we have a system composed of two blocks, with masses mA = 3.525 kg and maF…

A:

Q: How long does it take for a forklift with a useful power output of 980 watts, to raise a 100-kg…

A: Given data: Power (P) = 980 watts Mass (m) = 100 kg Height (h) = 2.0 m Required:  Time (t)

Q: An object starts from rest and moves a distance d due to the presence of a net force F_net. If the…

A: Option- a is correct answer. Since change in kinetic energy produced work done . So E=F×d Where E =…

Q: Engineers desire to model the magnitude of the elastic force of a bungee cord using the equation:…

A: Work done = ∫F(x).dx  We will intergrate from x= 0 to 16.7 Work done = ∫016.7 ax+99-9x+92 dx   On…

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A: Given,Mass of the skier, m = 97.49 kginitial speed, vi = 34.93 m/sheight, H = 11.75 mslope of the…