Engineering and Comp Sci Homework Help Forum

Free Engineering, Computer Science, and Technology homework help via qualified mentors. Please use the template when requesting help and show your work.

Threads

Engineering How do you know the voltage direction for batteries in KVL equations?

  • suspenc3
  • · Replies 7 ·
Replies
7

Find i(t) for t>0 if i(0) = 2A?

  • 3DTiger
  • · Replies 2 ·
Replies
2

Comp Sci C++ Employee class with getters and setters giving errors

  • proton
  • · Replies 4 ·
Replies
4

Op-amp circuit with negative feedback and resistor network

  • DefaultName
  • · Replies 10 ·
Replies
10

R-134a isothermal and return process with entropy change

  • ashkash
  • · Replies 1 ·
Replies
1
Replies
2

Design Amusement Ride: 10 People, 5 Stories, 2 Meters Radius

  • srvimisu
  • · Replies 1 ·
Replies
1

Electrical Safety Hazards in Automotive Batteries - Coventry U

  • Alireza
  • · Replies 5 ·
Replies
5

Vandergraph generators and hair

  • little inventor
  • · Replies 3 ·
Replies
3

Height of Water Jet from Pressure in Domestic Water Pipes

  • hfatehi
  • · Replies 4 ·
Replies
4

Calculating Total Current in Circuit: Superposition Problem 2

  • shifty101uk
  • · Replies 4 ·
Replies
4

Finding current in branch using superposition theorem

  • shifty101uk
  • · Replies 5 ·
Replies
5

Solve Energy Transfer in Refrigeration System

  • potentialCE
  • · Replies 2 ·
Replies
2

Bandwidth of FM Signals: Carson’s Rule

  • royal084
  • · Replies 2 ·
Replies
2
Replies
2

Describe how resonance in a domestic spin-dryer could be overcome?

  • tone999
  • · Replies 1 ·
Replies
1

Engineering Measuring RMS Voltage of e(t) at f = 3.22MHz

  • ashkash
  • · Replies 1 ·
Replies
1

Fourier representation of CT peridic signals

  • mbaron
  • · Replies 2 ·
Replies
2

Which way is the current flowing?

  • Mesmer
  • · Replies 9 ·
Replies
9

Real World Examples of Singular Matrices in Finance

  • calli
  • · Replies 3 ·
Replies
3

Obtaining a given resistance through series and parallel combinations

  • ELEN_guy
  • · Replies 4 ·
Replies
4

Heat transfer between 2 liquids

  • eaboujaoudeh
  • · Replies 7 ·
Replies
7

Engineering Should I use KVL or mesh analysis for this circuit?

  • Xtasy
  • · Replies 2 ·
Replies
2

Engineering Bode plot for RC voltage divider with three elements

  • Number2Pencil
  • · Replies 1 ·
Replies
1

Converting Register EAX: Unsigned Int, 2's Comp, ASCII Chars

  • majeedh
  • · Replies 1 ·
Replies
1

Negative Number into Hexadecimal

  • majeedh
  • · Replies 2 ·
Replies
2

Thermodynamics - I am so frustrated

  • jmshipton
  • · Replies 2 ·
Replies
2

Hibbler dynamics problem 13-97

  • nko315
  • · Replies 4 ·
Replies
4

First problem from ResEng problems PDF

  • hfatehi
  • · Replies 4 ·
Replies
4

Energy available to a wind turbine, Bern.'s eq

  • pgunderson
  • · Replies 1 ·
Replies
1

Engineering Circuit with capacitor, current source, voltagr source and a switch

  • fishys182
  • · Replies 1 ·
Replies
1

Comp Sci Reading words from file into vector of node structs

  • Math Is Hard
  • · Replies 5 ·
Replies
5
Replies
1

Engineering Nodal Analysis For Circuits class

  • DefaultName
  • · Replies 1 ·
Replies
1

Inverting Operational amplifier

  • Amith2006
  • · Replies 1 ·
Replies
1
Replies
3

Construct a Launcher Under $25 with PVC Pipes

  • Elkay
  • · Replies 4 ·
Replies
4

Capacitor Lab - Charging/Discharing Paths

  • verd
  • · Replies 3 ·
Replies
3

How Do You Solve a Circuit with Four Meshes Using Mesh Analysis?

  • DefaultName
  • · Replies 1 ·
Replies
1

Can mesh current equal the branch current in mesh analysis?

  • DefaultName
  • · Replies 1 ·
Replies
1

Comp Sci How to Correctly Implement a 2D Array with Random Values in C++?

  • mkienbau
  • · Replies 3 ·
Replies
3

Bag template class crashes after constructor with int type

  • Math Is Hard
  • · Replies 5 ·
Replies
5

Change in length LSolve Engineering Problems: P, Brass, Steel

  • PSUEngineer09
  • · Replies 1 ·
Replies
1

Series or Parallel: Connecting 6 Light Bulbs to a Hanging Lamp

  • dmolson
  • · Replies 6 ·
Replies
6
Replies
2
Replies
13

Help with Strength of Materials question

  • kamikazi929
  • · Replies 9 ·
Replies
9

Calculating Beam Deflection with Different Materials Using PL/AE

  • glid02
  • · Replies 2 ·
Replies
2

Solving Connected Graphs with Algorithm: K Blue/Red Edges

  • frank_buf@yahoo
  • · Replies 1 ·
Replies
1

Thermal Expansion and temperature changes

  • stinlin
  • · Replies 5 ·
Replies
5

Can B'D' + BD be simplified in boolean algebra?

  • asd1249jf
  • · Replies 5 ·
Replies
5

Engineering Analysing a Filter Rectifier Circuit: Solve for VDC, Vr and Ripple %

  • pooface
  • · Replies 3 ·
Replies
3

How long should the tube be for a ping-pong ball launcher?

  • sciencewiz
  • · Replies 1 ·
Replies
1

Thermodynamics - vessel with gas is filled with more gas

  • frozen7
  • · Replies 2 ·
Replies
2

I have a question on one of my classnotes

  • wingingit_2
  • · Replies 4 ·
Replies
4
Replies
4

Engineering Power and wattless components of current in an LR circuit

  • Amith2006
  • · Replies 2 ·
Replies
2

Boolean expression for checking if year is divisible by 10

  • Mindscrape
  • · Replies 1 ·
Replies
1

Logic/cs:where to look for examples?

  • lizzyb
  • · Replies 1 ·
Replies
1
Replies
2

Solving a CFSTR Pesticide Problem

  • Bradracer18
  • · Replies 8 ·
Replies
8

Solve Cantilever Beam: End Load 20kN, EI=40KNm^2, Length 0.25m

  • johnboy14
  • · Replies 3 ·
Replies
3

Comp Sci Fixing C++ Card Class Errors in Visual C++ 6

  • Math Is Hard
  • · Replies 28 ·
Replies
28

Finding Weight of Benzene in a Filling Drum

  • MANGOMOJO
  • · Replies 3 ·
Replies
3

Are both diodes conducting in this circuit?

  • snowJT
  • · Replies 6 ·
Replies
6

Engineering Solve Simple Circuit Problem: How to Determine Thevenin Voltage Source

  • snowJT
  • · Replies 3 ·
Replies
3

How do you remove linear phase from an FIR filter with windowing?

  • jeezus
  • · Replies 2 ·
Replies
2

How Do You Calculate Alpha for a Lever's Force and Moment?

  • bobbarkernar
  • · Replies 1 ·
Replies
1

Why is my bandpass filter bandwidth 10000 in practice but 4000 theoretically?

  • romanus_romeo
  • · Replies 1 ·
Replies
1

Implement Boolean function F(A,B,C,D) with only 2 NOR gates

  • asd1249jf
  • · Replies 6 ·
Replies
6

Deriving a balanced bridge equation

  • quaker
  • · Replies 1 ·
Replies
1
Replies
2

Dynamics, plane drops mass trajectory question

  • cd80187
  • · Replies 1 ·
Replies
1

Engineering I need a 2nd opinion on a circuit analysis answer

  • Number2Pencil
  • · Replies 8 ·
Replies
8
Replies
3

Engineering Mesh analysis with current-controlled voltage source

  • Xtasy
  • · Replies 4 ·
Replies
4
Replies
6

A question of surveying a plat of land

  • jrfromafar
  • · Replies 5 ·
Replies
5

NOR circuit for detecting overflow in n-bit addition

  • seang
  • · Replies 1 ·
Replies
1

Materials - Vy(max)=integral Tau(xy) da

  • GreenLRan
  • · Replies 1 ·
Replies
1
Replies
1

6-bit successive approximation ADC converting 4.78 V input

  • vinee
  • · Replies 1 ·
Replies
1

Implementing boolean function F = xy+x'y'+y'z with AND and inverter gates

  • asd1249jf
  • · Replies 4 ·
Replies
4

Solving a System Dynamics Problem: Fishing Boat Displacement over Time

  • leoflc
  • · Replies 1 ·
Replies
1

Calculate Output Voltage of Op-Amp Circuit

  • Number2Pencil
  • · Replies 30 ·
2
Replies
30

RMS (root mean square) of sums of functions

  • lynx1245
  • · Replies 3 ·
Replies
3

Thermodynamics cooking Question

  • ashkash
  • · Replies 7 ·
Replies
7

Why does inverse-transforming impedance back to time domain not give real resistance?

  • tandoorichicken
  • · Replies 4 ·
Replies
4

Proving (s ^ ~p) ==> t using Sentential Calculus

  • lizzyb
  • · Replies 1 ·
Replies
1

Engineering Finding V₀ and I₀ using nodal analysis with dependent source

  • VinnyCee
  • · Replies 9 ·
Replies
9

Engineering CIRCUIT ANALYSIS: 3 Resistors, 3 Voltage Src, 1 Current Src - Find v1, v2, v3

  • VinnyCee
  • · Replies 3 ·
Replies
3

Design Electromagnet: Pickup 5kg Iron at 300mm Distance

  • Paramjit Singh
  • · Replies 1 ·
Replies
1

Engineering Energy to move 260 coulombs through 6 volts

  • Stevecgz
  • · Replies 7 ·
Replies
7
Replies
4

Engineering Solve V_A in Circuit with Nodal Analysis

  • VinnyCee
  • · Replies 3 ·
Replies
3

Engineering Solving Circuits: Finding V_1-V_3

  • VinnyCee
  • · Replies 1 ·
Replies
1
Replies
3

Engineering V_in / V_out for a simple didoe/op-amp circuit

  • Mo
  • · Replies 1 ·
Replies
1

How Do I Analyze a Loudspeaker Circuit for Homework?

  • pyro_dragun
  • · Replies 6 ·
Replies
6