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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Does adding wires in parallel change the cross-sectional area?
- BranTkC
- · Replies 2 ·
Normal force, centripetal force
- jehan4141
- · Replies 2 ·
Weight distribution on car wheels using torque equilibrium
- dcubed
- · Replies 1 ·
Solving 2D projectile motion problem for angle, given displacement and time.
- A. Sartorius
- · Replies 1 ·
Centripetal Force Calculation for Hanging Partner
- jehan4141
- · Replies 2 ·
What is the displacement of two cyclists and a fly when they meet?
- Wa1337
- · Replies 12 ·
Pulling on a rope attached to a box: Newton's Laws and Incline Planes
- wisefallen
- · Replies 1 ·
Newton's 3rd Law - Firefighter slides down a pole
- prosteve037
- · Replies 8 ·
Why is the force on the bracket 2F, not F?
- Nat3
- · Replies 12 ·
Firefighter Problem: Solving for Angle & Horizontal Reach
- barthayn
- · Replies 1 ·
How to approach a simple harmonic motion problem
- hughes
- · Replies 4 ·
I suddenly thought of this. acceleration vs velocity vectors
- flyingpig
- · Replies 5 ·
Conceptual Questions on a Mass Hanging from a Spring
- hughes
- · Replies 2 ·
Finding force(N) wood has against the bullet
- Crusaderking1
- · Replies 4 ·
Magnetic Field in Solenoid question
- Oshada
- · Replies 3 ·
How Do Tangential and Normal Forces Affect Planetary Velocity?
- Gracegao
- · Replies 1 ·
Average Acceleration Units Problem
- nivekov123
- · Replies 1 ·
Leakage Conductance of Cylindrical Coax Cable
- polarmystery
- · Replies 3 ·
Find electric and magnetic field amplitudes in an electromagnetic wave
- Cade
- · Replies 2 ·
Solving a Displacement Problem with a Spring Force of 50 N/m
- Xarvist
- · Replies 4 ·
Gauss' Law - Infinite Sheet of Charge
- jegues
- · Replies 5 ·
Person in bucket pulling on rope
- matermultorum
- · Replies 3 ·
How Does Rocket Thrust Affect Velocity in Space?
- Crash_Overrid
- · Replies 1 ·
How to I find what needs to be the mass of an object in a friction problem?
- Mustachio
- · Replies 11 ·
Should be simple acceleration problem
- JFAN2260
- · Replies 5 ·
Friction between two blocks on a table
- burhan619
- · Replies 5 ·
How Does Table Height Affect Initial Velocity Calculation in Physics?
- FireSystems
- · Replies 1 ·
Use Force, Mass and Acceleration to find velocity
- trivk96
- · Replies 4 ·
What is the braking force required to stop an egg from falling?
- Mvb
- · Replies 4 ·
Deriving the speed of a falling ball
- burhan619
- · Replies 2 ·
Net Force Problem: Stopping an Auto in 1.8 cm
- Crusaderking1
- · Replies 4 ·
Two go-carts racing around a 1.0 km track
- captdestiny
- · Replies 7 ·
What Is the Displacement Vector of a Clock's Minute Hand at Different Times?
- -Dragoon-
- · Replies 3 ·
Why does perpendicular velocity have no effect on motion along a line?
- logearav
- · Replies 3 ·
How Does the Doppler Effect Alter Perceived Siren Frequencies at a Junction?
- loonwern93
- · Replies 1 ·
Block and wedge system all details
- smartyrohan12
- · Replies 3 ·
Magnetic Fields In Semi-Infinite Solenoid's
- abdullahkiran
- · Replies 3 ·
First orbit radius and energy in Bohr's hydrogen atom model
- fluidistic
- · Replies 3 ·
Uniform Circular Motion/Newton's 2nd Law?
- Cryptologica
- · Replies 9 ·
Forces Problem Involving A Tree Branch acting as a monkey's pulley
- brendan3eb
- · Replies 6 ·
Proving an equation is an eigenstate of the momentum operator.
- craig.16
- · Replies 7 ·
What is the skier's initial velocity?
- Virtuozzo
- · Replies 2 ·
Static friction on a car on a circle
- lab-rat
- · Replies 5 ·
Relationship between frequency and tension on a string
- errorbars
- · Replies 1 ·
How Does Doubling Mass and Force Affect Acceleration?
- 5.98e24
- · Replies 3 ·
Calculating the Angle Between a Force and Displacement
- TomFoolery
- · Replies 3 ·
Calculating Tension for 2000kg Elevator at Rest
- jasonbans
- · Replies 10 ·
Is this correct without a direction in metres?
- barthayn
- · Replies 3 ·
Solve for torque? Torque = Moment of Inertia * Angular Acceleration?
- soundengineer
- · Replies 6 ·
Find the surface charge density that will stop a proton
- Patdon10
- · Replies 10 ·
Crane lifting two blocks connected together
- nukeman
- · Replies 6 ·
Time dilation and length contraction with flashbulb at 0.6c
- squishy-fish
- · Replies 3 ·
Uniform Acceleration-Algebraically
- alit00
- · Replies 7 ·
Glider pulled by suspended mass
- slapshot151
- · Replies 3 ·
Lorentz transforming electromagnetic potentials at 4c/5
- physguy420
- · Replies 2 ·
Ball tossed upward at 15 m/s from 12 m height
- BuhRock
- · Replies 13 ·
Friction acting on box not slipping in truck
- 5.98e24
- · Replies 2 ·
Why is it important to make sure the string attached to the block level?
- paxian
- · Replies 6 ·
Energy Conservation/Potential Energy - block on a hill
- lakersoftball
- · Replies 1 ·
Find the direction of acceleration
- Mustachio
- · Replies 4 ·
How Do You Calculate Final Velocity with Uniform Acceleration?
- BuhRock
- · Replies 8 ·
Simple harmonic oscillators and a pendulum clock.
- clayton26
- · Replies 2 ·
Time dilation difference of astronaut problem
- anarine24
- · Replies 8 ·
Particle moving in polar coordinates
- Disserate
- · Replies 1 ·
Solving for Acceleration in a Simple Kinematics Problem
- princesssuckz
- · Replies 25 ·
Finding final image through a lens
- coltin.walsh
- · Replies 2 ·
Pulley system with friction motion equations
- athrun200
- · Replies 23 ·
What is the equation for calculating tension in an elevator rope?
- B-80
- · Replies 4 ·
Calculating Linear Momentum of Golf Club on Impact
- bionut
- · Replies 3 ·
Projectile Motion cannonball fired on top of a wall.
- EricSomin
- · Replies 10 ·
Minimizing Pulling Force for Crate on Rough Floor
- ethex
- · Replies 5 ·
Proving the Possibility of a Collision (Legal Puzzle)
- GoldenGod
- · Replies 5 ·
Solving for force in vectors of Electric Field
- ltruiz45
- · Replies 1 ·
Electric Force and Electric Field problem
- ltruiz45
- · Replies 1 ·
Uniformly Charged Ring Acting on a Particle
- acedeno
- · Replies 1 ·
Help: with two distancehow do you find velocity?
- laraangela
- · Replies 2 ·
How do I calculate acceleration and magnitude in physics?
- LanaStClair
- · Replies 3 ·
Finding the speed of a block moving on an incline
- Singdasorrow
- · Replies 1 ·
Having trouble finding the tension of this Newton law problem
- bblair3
- · Replies 3 ·
Acceleration in Uniform Circular Motion
- sleepingarmy
- · Replies 2 ·
Electric Potential Energy of a Cube of 8 protons
- acedeno
- · Replies 3 ·
Air resistance - find Vx(t) and Vy(t)
- Carnivroar
- · Replies 4 ·
F=ma, kinematics in vector notation
- shawli
- · Replies 2 ·
Solving a Projectile Motion Problem
- wuffle
- · Replies 4 ·
Electromagnetic Fields and Effects of Oscillation
- Smetsnaz
- · Replies 2 ·
Two objects on an incline with friction, calculate acceleration? B
- rover_dude
- · Replies 5 ·
Wind velocity when plane flies east but drifts south
- Elysian
- · Replies 3 ·
Magnitude of kinetic friction and static friction
- matt@USA
- · Replies 9 ·
Kinematics in two dimensions lab question
- me56
- · Replies 1 ·
Electric Field of an Infinite Sheet with a Hole: Superposition Principle
- auk411
- · Replies 1 ·
Strength of Electric Field with a point charge
- ltruiz45
- · Replies 1 ·
Mechanics: Manual Drill Eccentricity
- JohanM
- · Replies 1 ·
How Does Holding an Air Rifle Affect Recoil Speed?
- dlilpyro
- · Replies 6 ·
Is My Coulomb's Law Calculation Correct?
- ForrestFire
- · Replies 1 ·
Help with force question? i dont know how to get the right answer?
- snash1057
- · Replies 1 ·
How Do You Calculate the Forces Exerted by Each Lifeguard on a Raft?
- snash1057
- · Replies 2 ·
Weight lifter - Acceleration of the barbell ?
- nukeman
- · Replies 13 ·
Apply Nodal Analysis to the Circuit
- VitaX
- · Replies 2 ·
Weight lifter lifting 50kg with 0.47 m/s² acceleration
- nukeman
- · Replies 5 ·
Maximum electric force felt by the raindrop
- veevee
- · Replies 3 ·