2. The Carnot engine pictured below is used to lift a 500 kg rock through a height of 100 m. What are the minimum mumber of engine cycles neded to achieve this? T-850C QH =250') QL T =170 C 1 of 3

Q: 25.4 m 4 km hr hr

A: Given data: 25.4 mi/hr - 4 km/hr Here mi/hr - miles per hour km/hr - kilometer per hour

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A:

Q: 146.88 What is The answer in 2 significant figures?

A: The value 146.88 can be written as,

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Q: 62) Compute the dot products between the following vectors. The dashed line denotes the positive z…

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Q: How do I convert

A: 5.1 kg = 5.1 * 1000 g             = 5100 g  [(5100 g + 730 g ) *180 m^2 ] / 12 m  = 5830 g * 15 m  =…

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A: Solution: Let us calculate the curl of the given vector v. v=6x^+yz2…

Q: ¿Be + H > + He

A:

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A: Elevation at point Q,   ElQ=478-0.114+14+5ElQ=474.7ft Let the distance between points Q and P be d.…

Q: V OT OP S

A:

Q: I put sin15 in my calculator and I got .2588?

A: Given that, 0.500=T1Sin(15°)

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A: Given information: The magnetic field (B) = 0.500 T i The electric field (E) = -3.00 ×104 i V/m The…

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A: We have to set up a problem that will provide a solution given in the question. By identifying the…

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A: Significant figures are the number of digits which contributes to the degree of accuracy. During…

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A:

Q: How many significant digits are in the exact number 155?

A: Given: The number is 155.

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A: Given Mass of man m = 176 lb To find  Weight of man in Newtons

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A: Given data:  Two numbers 6.12 and 4.009 Required: The number of significant figures

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A: Time taken by an object to hit the ground=6 s Required height of object from which it was dropped.

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A: We have to find the missing number in the following series.  1 2 3  1 2 ?

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A: Given :-  A beam is given with a varying load from 150 lb/ft to 200 lb/ft , and a point load of 500…

Q: Which of the following has the most significant figures? A: 124.12 B: 124.10 C: 3.05 x 105 D: 1205…

A: The objective of the question is to identify which of the given numbers has the most significant…

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A: The dot product of 2 vectors is the component of one vector along the other vector.

Q: Considering the usual unit vectors: i j and k Find the dot product given by C=A'B, for the following…

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Q: 5. If a marathon runner averages 6.5 mi/h, how long does it take him or her to run a 26.22 mi…

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Q: eif A-2itj-k B=i+2j+ 5k calculate A.B

A:

Q: 17. How many significant digits in 1.1372 x 101° m³ ? *

A: The all non zero digits in a numbers are significant.

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A: Required : The current in the system.

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A: Given:  7 A

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A: The surface is given byx2+y2+z2=a2a normal vector to this surface, can be evaluated by taking its…

Q: What is eqavilent to 8.0(1m=100)

A: We have, 1 m = 100 cm

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Q: 45 mi/h converted to km/h 75 mi/h converted to km/h

A: Given : Speed = 45 mihrTo convert : Speed from mihr to kmhr

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A: We know that kinetic energy is given by  KE=1/2mv2

Q: 3 300M 300N 50 50° Find: B+ C F=?,

A: Please see the answer in next step

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A: The objective of the question is to convert an area measured in square yards into square meters.

Q: A vector has a magnitude of 7.20 m and an angle of -32.5°. Write this vector in unit vector…

A: Given data:  Magnitude of a vector A = 7.20 m Angle (θ) = -32.5° Required: The vector A in unit…

Q: 51. A roller coaster moves 90.0 m horizontally forward, then travels 40.0 m at an angle of 24.0°…

A: