168 Answered Questions for the topic mechanical engineering

Mechanical Engineering Calculus

8d

#### How do I convert the Reynolds equation from Cartesian to Cylindrical (polar) coordinates?

Mechanical Engineering Physics

9d

#### determine the total distance travelled (in meters) by the particle at time t = 4 s

The acceleration of a particle is defined by the relation a = −15t (m/s2)Knowing that X = 24 m, and v = 29 m/s when t = 0, determine the total distance travelled (in meters) by the particle at time...
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Mechanical Engineering

30d

#### Mass and weight

A weight G = 10 N is subjected to a vertical upward pulling force F = 20 N. At the beginning, the weight is stationary. After some time, it is lifted up to 2 m, what is its velocity at this moment?...
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#### Determining the interval of convergence of Power series

Lets say you have a function f(x)= (1/4)+(2/4^2)+(3/4^3)+...+(((n+1)*x^n)/4^(n+1) for all xa) What would the interval of convergence of this power series beb) Find the limit as x approaches 0 of...
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#### How to determine series

Let f(x)= ∑n=1∞ (-1)^n (x/4)^n. Find the series and interval of convergence for the integral from 0 to x of f(t)dt

05/05/21

#### Interval of convergence

Lets say you have a series ∑n=1∞ ((3x+2)^(n+1))/n^(5/2). What would the interval of convergence be?

04/30/21

#### A simple pendulum consists of a small mass of 72 g suspended from a light inelastic cord. During oscillations with 50 amplitude, this pendulum completes 60 oscillations every 1 minute. Calculate:

A simple pendulum consists of a small mass of 72 g suspended from a light inelastic cord. During oscillations with 50 amplitude, this pendulum completes 60 oscillations every 1 minute....
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Mechanical Engineering Maths

04/28/21

#### Please help with this question

A train X runs on a straight horizontal track that connects stations A and C. Station B lies between A and C. Figure 2 shows the graph of the speed, v m s−1, of train X against the time, t minutes,...
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04/27/21

#### Average Value Theorem

If the average value of the function f on the interval 1≤x≤4 is 8, what is the value of ∫41 (3f(x)+2x)dx ?Note: that is, the integral from 1 to 4 of 3f(x)+2x)dx

04/24/21

#### Find approximate error

at a distance of 50 meter from foot of tower the elevation of its top is 30 degree if the possible error in measuring the distance and elevation are 2cm and 0.05 degrees find approximate error in...
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04/22/21

#### What is the maximum decimal value represented by a 6-bit signed binary number with a 3-bit fraction.

What is the maximum decimal value (positive value) represented by a 6-bit signed binary number with a 3-bit fraction.

04/22/21

#### How many 3-input AND gates are required to AND 26 signals?

How many 3-input AND gates are required to AND 26 signals?

04/22/21

#### How many 3-input AND gates are required to AND 26 signals?

How many 3-input AND gates are required to AND 26 signals?

Mechanical Engineering

04/22/21

#### Need help on this question plsss

Calculate the atomic packing factor (APF) for the face-centered cubic (FCC) unit cell, assuming the atoms to be hard spheres. Note: You will not get points for just writing the APF. You need to...
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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?

#### 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

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?

03/19/21

#### Implement these logic expressions with specific logic gates...

Implement these logic expressions with specific logic gates... X1 = 𝐴𝐵𝐶 + 𝐴𝐵 + 𝐴𝐶 –Use any standard gatesX2 = 𝐴𝐵𝐶 + ~D + ~E –Use any standard gates

03/18/21

#### The duty cycle of a clock is 60%. If the low time of the clock is 50µ, what is the clock frequency?

The duty cycle of a clock is 60%. If the low time of the clock is 50µ, what is the clock frequency?

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?

Mechanical Engineering Physics

01/15/21

#### A non-conducting disc of radius R carries a surface charge density σ = 0.5 r μC/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 μC/m2 on one face.Calculate the total charge on the disc in terms of R?

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)

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 =...
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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)...
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