A heat engine is supplied with 426.0 cal and rejects 325.5 cal in the exhaust. How many joules of mechanical work was done?

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

Q: 401 75 1 R m Ru w Hon {R 2 if R=300, find Req between 1 and 2

A:

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

A: The value 146.88 can be written as,

Q: ax 15. Rearrange E to solve for (v). v = taxd tad v = а. с. d. v= tax b. v = tar v² = xdt to solve…

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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  =…

Q: Would it be a minus sign instead of a positive one ?

A: Yes , it would minus sign.  Complete solution is below.

Q: Problem 1.56Compute the line integral of v=6+yz²ŷ+ (3y+z) 2 along the triangular path shown in Fig.…

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

Q: ¿Be + H > + He

A:

Q: What direction does the vector b = -5.00i + 5.003 N point in?

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Q: Where 31.2 m is the length of the vector and 76.9° is the angle it makes with the y-axis, what is…

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Q: V OT OP S

A:

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

A: Given that, 0.500=T1Sin(15°)

Q: A proton (q = 1.60 x 10-1º C, m= 1.67 x 10-2" kg) move in a uniform magnetic field B = 0.500 Tî . At…

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

Q: You are given the equation(s) used to solve a problem. Write a realistic problem for which this is…

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

Q: 4 Пу. i = 1´ i b. 4 II y. · * i = 1´ i d.

A:

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

A: Given: The number is 155.

Q: A man weighs 176 lb. Determine the weight in newtons. (1 kg = 2.2 lb)

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

Q: Determine the number of significant figures in the following numbers. a. 6.12 b. 4.009

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

Q: 8. An object is dropped and hits the ground 6.00 seconds later. From what height was it dropped?…

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

Q: Fill in the missing number. 123 1 2 ?

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

Q: Determine where the resultant acts measured from A. A. 3.27 ft B. 4.84 ft C. 5.03 ft D. None of…

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…

Q: Given two vectors with equal magnitudes of 59 and their sum vector 93j. Find the angle between them.

A:

Q: The result of dot product of two vectors is: O a. a vector quantity Ob.a scalar quantity O c. dot…

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

A:

Q: 7A is how many fA?

A: Given:  7 A

Q: 1. Vector D has components D, = -4.9 m and D, = + 7.2 m. a. Write it in unit vector notation. b.…

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Q: What mass in kg of rain falls on the lawn in 6 h and 2 min, if each raindrop weighed 13.0 ng and on…

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Q: . A vector has an x- component of - 25.0 units and a y - component of 40.0 units. Find the magnitude…

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Q: Ques tion No.03 Evaluate the sunface integnl I=faids. uhere a = xi and s Hemis phere fiqure is…

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

Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

A:

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

Q: KE = (0.5) x 70 kg x (6.95 x 6.95)

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

Q: f. Convert 3.056 yd² into m². N

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…