Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Power required climbing steep vs. gentle slopes at same speed
- PeachBanana
- · Replies 6 ·
Calculating angle with coefficient of static friction value
- Fireant
- · Replies 26 ·
Solving Resistance of a Wire: 21V Across 32m, 18m?
- john216
- · Replies 3 ·
What force opens a folding knife?
- bklynrob
- · Replies 3 ·
Theories on Series and Parallel Resistors
- john216
- · Replies 1 ·
Finding largest angle - mechanics
- blackandyello
- · Replies 2 ·
Change of kinetic energy problem
- marjuna
- · Replies 12 ·
Terminal Voltage Formula Doesn't Apply?
- mirandab17
- · Replies 15 ·
Rocket Acceleration: Linear or Exponential?
- galaticman
- · Replies 1 ·
What is the Relationship Between Velocity and Distance for a Sprinter?
- mbkau00
- · Replies 2 ·
Finding voltage across R4 in circuit with two batteries and six resistors
- kjlchem
- · Replies 7 ·
Finding Constants Using Continuity Conditions
- glebovg
- · Replies 5 ·
How Do You Calculate the Mass of Object 2 After a Collision?
- bencdavidson
- · Replies 1 ·
Dimensional analysis and frustum of a cone
- selig
- · Replies 4 ·
What Are the Dynamics of a Bicycle Wheel with External Forces?
- icedcake
- · Replies 1 ·
Calculating Mass in an Elastic Collision
- bencdavidson
- · Replies 5 ·
Finding the Uncertainty of Vy in a Physics Equation
- RichardT
- · Replies 2 ·
Rotation at an angle - Tether ball (Finding length)
- testme
- · Replies 4 ·
Finding the first positive zero of 3cos(10t) + 5sin(10t)
- aaj92
- · Replies 2 ·
Free fall with air resistance, must find velocity
- Merbdon
- · Replies 11 ·
How Does Adding Different Dielectrics Affect a Capacitor's Performance?
- wilito92
- · Replies 8 ·
Conservation of Energy with a spring
- navydrgn
- · Replies 4 ·
Is the Ballistic Pendulum a Conservative Process?
- QuarkCharmer
- · Replies 9 ·
Gravitational Potential Due to a Thin Rod of Varying Density.
- pelmel92
- · Replies 2 ·
Conservation of Elastic and Gravitation Energy - 2
- PeachBanana
- · Replies 3 ·
Volume of ideal gas and Cp, CV for ammonia heated by wire
- 10-D King
- · Replies 7 ·
Momentum, Friction, and Velocity, OH MY
- rad5229
- · Replies 5 ·
Potential Energy between molecules
- Pi Face
- · Replies 2 ·
Calculating Momentum Change of 70kg Passenger in Car Crash
- cstatepat
- · Replies 3 ·
Gas pressure after isobaric expansion then isochoric heating
- SAFiiNA
- · Replies 7 ·
Calculating the Current in a Two battery Combination Circuit
- BornSurvivor
- · Replies 2 ·
Current, voltage and power in circuit with 24 V and 12 V batteries
- conov3
- · Replies 6 ·
Cubic equation with two unknown coefficients
- MegaDeth
- · Replies 6 ·
Kinematics Problem and stream of people
- Bashyboy
- · Replies 9 ·
Conservation of Elastic and Gravitational Energy
- PeachBanana
- · Replies 3 ·
What is the Intersection and Plane Determination for Parametric Lines?
- knowLittle
- · Replies 6 ·
What is the support reaction at E for the 9m length beam?
- MMCS
- · Replies 3 ·
How to calculate Laws of Thermal Radiation
- JayWilks
- · Replies 2 ·
Electrostatic Field Lab Question
- QuarkCharmer
- · Replies 1 ·
Center of Mass of system of particles
- BEEFCOPTER
- · Replies 1 ·
Magnetic field, energy, and mass
- physgrl
- · Replies 2 ·
What is the Charge of the Larger Sphere in Electrostatic Equilibrium?
- conov3
- · Replies 1 ·
Maximum force to keep two blocks sliding together
- iJamJL
- · Replies 8 ·
What is the Strength of the Magnetic Field in a Solenoid with Given Parameters?
- physgrl
- · Replies 2 ·
Finding the angle where a box slides on a tilted plank with μs = 0.33
- Fireant
- · Replies 12 ·
How Do You Create a Line of Worst Fit in Excel?
- marvolo1300
- · Replies 1 ·
Work done by engine on 250-tonne train climbing a 1:100 incline
- EddyH
- · Replies 3 ·
Velocity of electron shot from a solenoid.
- Moose100
- · Replies 13 ·
Not sure how to do 2 body problem
- yesiammanu
- · Replies 2 ·
Chaining pressure vessels and outlet temperature
- bionic6manuel
- · Replies 6 ·
Calculate Final Position of a Car Using Acceleration on a Level Road
- chonkyfire
- · Replies 3 ·
Optimizing Golf Shot Trajectory for a Hole-in-One
- teadelle
- · Replies 1 ·
Relationship of particle charge to speed?
- temptasian
- · Replies 3 ·
Force needed to slide a mop at constant velocity
- iJamJL
- · Replies 4 ·
Loop the loop question, given only radius.
- marvolo1300
- · Replies 1 ·
Finding equation for potential between concentric charged spheres
- Minhtran1092
- · Replies 7 ·
Probability current inside the barrier of a finitie square potential well
- StephenD420
- · Replies 1 ·
Gravitational motion problem, degrees along orbit
- DaviBones
- · Replies 6 ·
Difference between power formulas
- mirandab17
- · Replies 17 ·
Newton measures the speed of gravity
- bobsmith76
- · Replies 1 ·
Replacing a battery with a charged capacitor
- svbalasub
- · Replies 1 ·
How far can the remote control extend without tipping over?
- mmajames
- · Replies 5 ·
Maximum Static Force before Blocks Slip
- patchums
- · Replies 4 ·
Magnetic field strength from charged particle circular motion
- aokidopi
- · Replies 14 ·
Item with Uniform Velocity intersects with Item with Uniform Acceleration
- QuickSkope
- · Replies 2 ·
Understanding Magnetic Fields: Compass Direction in a Bar Magnet
- rh23
- · Replies 2 ·
Momentum when object is thrown at angle
- jorcrobe
- · Replies 4 ·
Series and parallel circuit with multiple resistors?
- conov3
- · Replies 6 ·
How Does Nonconservative Work Affect a Child's Speed on a Slide?
- dndisilvio
- · Replies 1 ·
Kinetic Energy loss in a completely inelastic collision
- aaj92
- · Replies 2 ·
What is the initial speed of the ball?
- jkmath16
- · Replies 1 ·
Finding electric force on electron given acceleration
- 1126
- · Replies 6 ·
How can I solve these three electrostatic problems with different scenarios?
- Genericcoder
- · Replies 4 ·
Magnetic Field, potential difference and speed
- physgrl
- · Replies 2 ·
Magnetic Field and Force (in a solenoid)
- physgrl
- · Replies 2 ·
Find the Electric Field at a midway point
- 1126
- · Replies 4 ·
Thermodynamics phase changes steam and water
- Megan20102011
- · Replies 7 ·
Distance between Panama City and Pittsburgh using arc length
- theintarnets
- · Replies 3 ·
Showing different physics quantities of a drum pad
- kaed
- · Replies 1 ·
Why Are Trigonometric Component Rules Reversed for Vectors?
- madinsane
- · Replies 1 ·
70kg climber roped to 940kg rock on frictionless ice
- stevo2393
- · Replies 1 ·
Coefficient of Friction between slide/girl
- cdsnig
- · Replies 2 ·
Solving Gauss Law Question: Q/(πR^4)
- Crocodile
- · Replies 2 ·
Resultant force of two forces with x and y components
- physicshelp45
- · Replies 1 ·
Simple Harmonic Motion (displacement function)
- yoohyojinn
- · Replies 3 ·
Current out of the battery, capacitor
- Cisneros778
- · Replies 5 ·
Finding the work done to remove a dielectric slab.
- Cisneros778
- · Replies 1 ·
Static friction on banked curve
- runner2392
- · Replies 4 ·
Problem with variable capacitor and changing angles
- lesdavies123
- · Replies 1 ·
Spring Constant when compressed
- cdsnig
- · Replies 1 ·
Measuring volatge across capacitor with a not ideal oscilloscope
- connor02
- · Replies 1 ·
What Voltage Does Voltmeter V1 Read in a Transformer with Tapped Secondary Coil?
- fchen720
- · Replies 1 ·
Rotation in a Vertical Plane - tension on a bucket
- testme
- · Replies 8 ·
What does it mean variable Direct Current ?
- vkash
- · Replies 1 ·
Ship and Iceberg - Speed of sound question
- fchen720
- · Replies 4 ·
Electrical field strength problem
- MMCS
- · Replies 5 ·
How do you prove sin(i*theta) = i*sinh(theta)?
- StephenD420
- · Replies 11 ·
Finding the cable direction for minimum force in vector addition
- Suy
- · Replies 2 ·
Determine the smallest coefficient of friction
- blackandyello
- · Replies 1 ·