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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Calculating x and y Components of a Force on a Block from Rope Pulling
- cjtaylor
- · Replies 2 ·
Distance as function of velocity
- E&M
- · Replies 4 ·
Two ropes holding a weight. System is in equilibrium, how do I find T3?
- N.C.
- · Replies 2 ·
Change in Kinetic Energy of a moving charge
- yankeekd25
- · Replies 2 ·
Free body diagram of plank on step: finding forces and friction coefficient
- jumbogala
- · Replies 6 ·
When and where will two bikers meet?
- seanspan
- · Replies 3 ·
Solution:What is the Electric Field for Two Point Charges on a Line?
- Wildcatfan
- · Replies 1 ·
Finding the charge and initial position, electric potential problem.
- sukdede
- · Replies 1 ·
How sure we know the distance is x?
- jwxie
- · Replies 3 ·
How do I calculate the force on a charged particle in an electric field?
- ghostbuster25
- · Replies 2 ·
Electric Potential Energy of a System of Charges
- darkblue
- · Replies 3 ·
Random versus ordered combustion temperature
- dymand68
- · Replies 1 ·
Energy Conservation - Electric Potential Energy
- darkblue
- · Replies 4 ·
How Do Apparent Weight Calculations Apply in Physics Problems?
- physixnot4me
- · Replies 13 ·
Two Conducting Spheres Connected by a Wire
- choco_moo
- · Replies 4 ·
Finding Kinetic Energy on a Vertical Circle with Friction
- jhae2.718
- · Replies 37 ·
Electric Force on Electron in Thunderstorm Field
- Vision5
- · Replies 3 ·
What Is the Saint-Venant Principle in Physics?
- hassanthebest
- · Replies 1 ·
What Is the Magnetic Force on a Proton Moving in a Magnetic Field?
- TheDoorsOfMe
- · Replies 1 ·
Wavelengths in a ripple tank experiment
- Brittykitty
- · Replies 3 ·
Electric field, force on charge
- Patrickas
- · Replies 2 ·
Block on a Wedge: Solving the 0N Equation
- zohapmkoftid
- · Replies 2 ·
How Do You Calculate the MOI for a Rod with a Mass Attached?
- user_name12
- · Replies 1 ·
Finding velocity components of a soccer ball kicked at 45 degrees
- besthands
- · Replies 5 ·
How Do You Solve for Time in the Equation d = 0.5(at^2)?
- besthands
- · Replies 3 ·
Object going up inclined plane with friction, how far does it go?
- travisped
- · Replies 1 ·
Rod Pendulum (high school circular motion)
- jumbogala
- · Replies 1 ·
Lagrangian of a particle moving on a cone
- Oijl
- · Replies 10 ·
Calculating the Net Force of a Bouncing Ball
- _wolfgang_
- · Replies 2 ·
Is It Possible to Create a Virtual Image by Adjusting Object and Lens Positions?
- lampshader
- · Replies 3 ·
Calculating Work Done on a Crate Pushed up an Incline
- easchwen
- · Replies 7 ·
Applying Newton's Laws; coefficient of kinetic force
- pinkpony
- · Replies 1 ·
What is the relationship between torque and force in rotational motion?
- Frostfire
- · Replies 1 ·
Mass of a planet using a pendulum
- Frostfire
- · Replies 2 ·
Speed update of a comet in an ELLIPTICAL orbit
- shnav34
- · Replies 2 ·
Eliminate friction for banking car
- lemon
- · Replies 4 ·
Find tension T in a system of pulleys in equilibrium
- PinguNinjitsu
- · Replies 8 ·
Stored Energy In a Capacitor
- yankeekd25
- · Replies 8 ·
Accelerating Lift Homework: Equations of Motion
- bon
- · Replies 3 ·
Dynamics Question involving Tension (Work Provided)
- suxatphysix
- · Replies 11 ·
How Do You Build a Homemade Transmitter and Receiver Like on Rough Science?
- Whatchamacallit?!!
- · Replies 6 ·
Calculate Initial Horizontal Velocity of Long Jumper
- Sirsh
- · Replies 4 ·
Hydrogen atom vs hydrogen nucleus.
- albinoboy
- · Replies 4 ·
How Do You Solve This Challenging Algebra Problem?
- albinoboy
- · Replies 12 ·
Speed of a comet around the sun.
- Overseer
- · Replies 1 ·
Difference in Magnitudes between two densities
- Roma19
- · Replies 1 ·
Mountain Climber- how many cm will the rope stretch before she stops?
- huybinhs
- · Replies 6 ·
Time Constant, Resistance, Energy
- matt72lsu
- · Replies 3 ·
Terminal voltage and internal resistance
- dev-hud
- · Replies 2 ·
Calculating speed of light in substance
- dev-hud
- · Replies 1 ·
Finding rope angles for suspended cheese block
- sheepcountme
- · Replies 2 ·
Finding length and diameter of copper wire
- dev-hud
- · Replies 2 ·
Finding length and diameter of wire
- dev-hud
- · Replies 1 ·
How many currents on a DC circuit?
- Juan Pablo
- · Replies 8 ·
How Do You Calculate Forces and Motion for Loaded and Unloaded Lorries?
- enrmmell
- · Replies 1 ·
3 excess electrons calculate the radius
- Mccleaves
- · Replies 1 ·
Distance between two points and converting to polar coordinates
- albinoboy
- · Replies 1 ·
Solving a Simple Algebra Problem: x+y=60, x2=0.25, y2 - Find x and y
- Magma828
- · Replies 1 ·
Size of the angle of incidence?
- Brittykitty
- · Replies 1 ·
Calculating Impulse of a Bouncing Steel Ball | Momentum and Impulse Homework
- BikeSmoth
- · Replies 3 ·
Find acceleration of a lift with constant upward force
- bon
- · Replies 9 ·
Atwood machine with unequal masses and pulley system
- coppersauce
- · Replies 1 ·
Calculate the work to pump water out of tank
- bfpri
- · Replies 1 ·
Repositioning to take more weight
- lemon
- · Replies 9 ·
How can a mirror be front silvered or back silvered?
- ananthu
- · Replies 2 ·
Maximum Force - Linear momentum
- skp123
- · Replies 1 ·
Equivalent Resistance in series circuit
- matt72lsu
- · Replies 4 ·
How can I calculate the velocity and height of a rocket at burnout time?
- mcranfo
- · Replies 3 ·
Conical Pendulum: Find Angle, Tension, Maximum Rate of Rotation
- lemon
- · Replies 2 ·
Newtonian Mechanics, accounting for wind?
- plutonyum94
- · Replies 1 ·
How much work is done by the crane in lifting the load?
- Sirsh
- · Replies 2 ·
How Do You Analyze a Velocity vs. Time Graph for Particle Motion?
- huybinhs
- · Replies 6 ·
How Do You Calculate Mass 2 in Different Friction Scenarios?
- lockedup
- · Replies 7 ·
Calculating Electric Potential Differences
- G-reg
- · Replies 1 ·
Solving a Physics Problem: Sphere Bouncing on an Inclined Plane
- bon
- · Replies 3 ·
Determine period for off center disk
- boardaddict
- · Replies 2 ·
Force vector - Value and uncertainty for components
- mybrohshi5
- · Replies 1 ·
What is the voltage in the wire between a battery and resistor?
- EV33
- · Replies 2 ·
Finding the Angle of a 2kg Block on a Slippery Plane
- contlee
- · Replies 4 ·
Get Help on Forces - Calculate Fn, Ff, Accel & Coeff of Friction
- emoprimokid
- · Replies 1 ·
Why Does a Swinging Package on a Bus Indicate Its Speed?
- swasfy
- · Replies 2 ·
Free Fall problem with a reaction time strip
- Wilcho
- · Replies 2 ·
Understanding Friction and Normal Force in Equilibrium: A Brief Introduction
- Rhine720
- · Replies 5 ·
Finding coefficient of friction.
- amazondog
- · Replies 25 ·
Calculating Resonance Wavelengths
- moomoo345
- · Replies 1 ·
Does Changing the Angle of a Mop Handle Affect the Work Done by a Janitor?
- krystek01
- · Replies 1 ·
Time to travel at relativistic speed
- jl1642
- · Replies 4 ·
Truck and Man Forces in Boat Tension Calculations
- Teenytiny1991
- · Replies 10 ·
How Far Does the Lighter Fragment Slide After an Explosion?
- lovemake1
- · Replies 3 ·
Calculating Speed and Tension in a Two-Block System
- cdotter
- · Replies 9 ·
Solving Rotational Motion Problem Involving Mass and Length of Rod
- Poisonous
- · Replies 3 ·
Fibre Optic cable vs Copper wire
- labview1958
- · Replies 27 ·
How Do You Calculate the Total Moments for Various Points on a Beam?
- lemon
- · Replies 5 ·
Nortons Equivalent Circuit to find I
- the-alchemist
- · Replies 2 ·
Calculate distance from expolision - Waves
- Jason17
- · Replies 3 ·
Piston/cylinder expands polytropically
- OsDaJu
- · Replies 1 ·
Maximum turn radius before passenger slides at 19 m/s
- swasfy
- · Replies 7 ·
Finding equivalent capacitance for capacitors in series
- offbeatjumi
- · Replies 1 ·
Clockwise moments = anti-clockwise moments
- lemon
- · Replies 15 ·
Calculate weight of 70 kg person on the moon using gravity formula
- guitar
- · Replies 4 ·