335 Answered Questions for the topic mechanical engineering

Mechanical Engineering Calculus

03/25/21

Identifying volumes of solids rotated about regions
How would you find the volume of a solid generated by revolving the region in the first quadrant bounded by the graphs of the equations: y=0, and x=pi/2 about the line y=4?
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Mechanical Engineering Math Science Calculus

03/25/21

Integral volume question; please help!
What is the volume of the solid formed by revolving the region bounded by the graphs of y=7, y=14-((x)^2/14)), and the y axis, about the y axis
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03/19/21

What is the odd parity bit value of the 32-bit data 0x12345678?
What is the odd parity bit value of the 32-bit data 0x12345678?
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03/19/21

Implement these logic expressions with specific logic gates...
Implement these logic expressions with specific logic gates... X1 = đŽđ”đ¶ + đŽđ” + đŽđ¶ –Use any standard gatesX2 = đŽđ”đ¶ + ~D + ~E –Use any standard gates
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03/18/21

The duty cycle of a clock is 60%. If the low time of the clock is 50”, what is the clock frequency?
The duty cycle of a clock is 60%. If the low time of the clock is 50”, what is the clock frequency?
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03/18/21

How many events can you count with a 6-bit counter?
How many events can you count with a 6-bit counter?
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Mechanical Engineering

02/07/21

Calculate the resonance frequency

A second order system has a natural frequency 32 rads/s and a damping ratio 0.48. calculate the resonance frequency.
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Mechanical Engineering Physics

01/15/21

A non-conducting disc of radius R carries a surface charge density σ = 0.5 r ÎŒC/m2 on one face. Calculate the total charge on the disc in terms of R?
A non-conducting disc of radius R carries a surface charge densityσ = 0.5 r ÎŒC/m2 on one face.Calculate the total charge on the disc in terms of R?
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Mechanical Engineering Math Calculus Electrical Engineering

01/05/21

find the flux of the vector field
Let (S) the portion of the sphere " x2 +y2+z2=1 " that lies above xy-plane.Find the flux of the vector field:F = x i + y j + z k across (S)
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Mechanical Engineering Physics Mechanics Advanced Math

12/12/20

Solid Mechanics

A steel strip, which has an allowable tensile stress σmax = 165 MPa is rolled up around a spool of radius R. What is the smallest value of R if the strip width b = 10 mm and the strip thickness t =... more
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Mechanical Engineering Physics Physical Science Physics B

12/03/20

Clamping Force and Clutch Calculation
A multiple clutch has to transmit 90kW from an engine running at 3500 rpm.Clutch lining outer diameter is 200mm and inside diameter is 160mm. Spring pressure on clutch is 170kPa and it's... more
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Mechanical Engineering Physics Aerospace Engineering

12/01/20

Two-Dimensional Fluid Flow
A stream function in a two-dimensional flow is A = 2xy.Show that the flow is irrotaional(potential kind).Let q=(u,v) be the velocityof the two-dimensional flow.Then w know, u = delta(A)/delta(y)... more
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Mechanical Engineering Calculus Sat Math

11/15/20

Use a double integral to find the area enclosed by x = y − y^2 and x + y = 0.
use double integral to solve this calculus based problem.define the region and set the limits.
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Mechanical Engineering Physics

11/10/20

Is it possible for an engine with higher horse power and lower torque to outperform an engine with lower horsepower and higher torque.
Given that you are allowed to use any combination of gears for both engines, is it possible that the peak potential torque of an engine that at the shaft makes higher horse power and lower torque,... more
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Mechanical Engineering Math Physics Civil Engineering

10/30/20

The volleyball is played with a ball of about 270 g and 21 cm in diameter.
In one game, the ball ended up in a pool with so much strength that it almost reached the bottom of it and then went up to the surface.Calculate:a) The force exerted by the pool water on the... more
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Mechanical Engineering Math Physics Chemical Engineering

10/29/20

A 20 cm high polystyrene board with a surface area of 40 dm2 is floating in the water.
a) What fraction of its volume is above the water surface?b) If a 35 kg child is placed on this board, what will be the fraction of its volume that is above the water surface?Data: Polystyrene... more
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Mechanical Engineering Math Physics Civil Engineering

10/29/20

A piece of copper immersed in water has an apparent weight of 2.65 N and when it is immersed in a liquid of density 1.50 x 103 kg/m3 its apparent weight is 2.50 N.
Is it pure copper or does it contain any other metal? Copper density 8.9 X 103 kg/m3.
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Mechanical Engineering Math Physics Civil Engineering

10/29/20

A fluid pressure gauge, called a Venturi tube, or venturer, is a device designed to measure the velocities of fluids flowing through pipes.
It consists of a tube that is inserted in the pipe, has the same diameter as this one, gradually narrowing and then increasing, the section also gradually to avoid the formation of swirls and thus... more
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Mechanical Engineering Math Physics Civil Engineering

10/29/20

The volleyball is played with a ball of about 270 g and 21 cm in diameter.
In one game, the ball ended up in a pool with so much strength that it almost reached the bottom of it and then went up to the surface.Calculate: a) The force exerted by the pool water on the ball.... more
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Mechanical Engineering Math Discrete Math Chemical Engineering

10/09/20

Please help with this question!!!
The cardinality of the set                          is  , while the cardinality of the set  is -----------  while the cardinality of the set   is--------
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Mechanical Engineering Thermodynamics

10/08/20

Final year project
hi I'm just starting my final year and have to complete a final year project. I'm trying to think of some ideas at the moment I have one or two to do with solar power but I am struggling to think... more
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Mechanical Engineering Math Discrete Math Chemical Engineering

10/02/20

Please help with the following math question!!!
Let  and    and . Which of the following statements is (are) true?(can have many answers)a.)b.)c.)d.)e.)f.) Which of the following statements is (are) true?  .  Which of the following statements is... more
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Mechanical Engineering Math Discrete Math Chemical Engineering

10/02/20

Please help with the power set!!!!
Which of the following is the power set of ? a.) 4b.)c.)d.)e.)     ?
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Mechanical Engineering Math Discrete Math Chemical Engineering

10/02/20

Please help with the following is a subset!!!
Which of the following is a subset of ?Note: There may be multiple correct answers!a.) b.) c.) d.) e.)
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Mechanical Engineering Math Discrete Math Chemical Engineering

10/02/20

Please help with the cardinality of the following set!!!!
What is the cardinality of the following set?(This can have many answers)a.) 0b.) 4c.) 7d.) 3
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