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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How Is the Coefficient of Friction Calculated for an Amusement Park Ride?
- chicagobears
- · Replies 3 ·
Why total energy exceeds kinetic energy in proton-antiproton collision
- charged-ant
- · Replies 1 ·
How Do You Calculate Tension in Different Configurations of Supporting Strings?
- ggmissmolly
- · Replies 3 ·
Coefficient of Kinetic Friction
- lahle1
- · Replies 1 ·
Two Skaters Collide (inelastic collision)
- ArielleDubois
- · Replies 3 ·
Unravelling Kepler's Law: How F = m/r^2 is Reached
- Miike012
- · Replies 3 ·
Static equilibrium of a hanging, unbalanced beam.
- overdrive7
- · Replies 16 ·
Spring compressed 12 cm pushing a 1.5 kg box
- GingerKhan
- · Replies 5 ·
Heat added to Monatomic Gas at Constant Pressure
- KendrickLamar
- · Replies 6 ·
Basic physics forces problem (f=ma)
- victoration1
- · Replies 4 ·
Momentum and collisions problem
- jayman16
- · Replies 1 ·
Calculating the Mass of the Sun Using Earth's Orbit Data
- Miike012
- · Replies 14 ·
Rotation of a Rigid Object around a fixed axis
- K.S
- · Replies 6 ·
Pressure and depth in a static fluid
- bulbasaur88
- · Replies 1 ·
Acceleration and gravitational constant from two isolated spheres
- Miike012
- · Replies 1 ·
Find the amplitude and frequency of the vibrations
- JustinLiang
- · Replies 1 ·
Error analysis: significant figues
- armolinasf
- · Replies 4 ·
Rotating pendulum hang from a wooden bar with a revolution speed of 0.15 rev/s.
- JLABBER
- · Replies 10 ·
Calculating Relative Density and Apparent Weight Using Archimedes Principle
- lionely
- · Replies 16 ·
Heat loss rate directionality/sign convention
- adammw111
- · Replies 3 ·
Calculating satellite's angular speed at perihelion
- mm2424
- · Replies 2 ·
Error and significant figures when rounding?
- bingoboy
- · Replies 1 ·
How Much Would You Weigh in Space Versus on the Moon?
- Miike012
- · Replies 9 ·
What Is the Oxygen Concentration at the Interior End of a Trachea?
- haleyy89
- · Replies 1 ·
Elevator Problem: Max Mass Calculation (10kN, 2m/s2)
- kelseyE
- · Replies 3 ·
Can I find yo-yo acceleration using energy instead of forces?
- mm2424
- · Replies 2 ·
What is the Initial Velocity of the Racket in a Momentum Word Problem?
- Miike012
- · Replies 5 ·
Magnetic Field at Point P: Direction Confusion
- pyroknife
- · Replies 2 ·
Proving identical baseballs reach same speed at height h
- Nano-Passion
- · Replies 9 ·
Max velocity of blocks after spring pushes them apart
- joedango
- · Replies 2 ·
Question 26.5: Triangle Circuit - Is My Drawing Correct?
- Instinctlol
- · Replies 4 ·
Solving Momentum of a Ball Homework: Man's Speed & Average Force
- phizics09
- · Replies 5 ·
"5000kg Interceptor Rocket Trajectory & Speed
- barthayn
- · Replies 3 ·
How Do You Solve the Equation c = ax² + bx² for V?
- apaxapax
- · Replies 1 ·
Capacitance nd Spherical cells
- SallyBieber
- · Replies 19 ·
Pulley problem with frictionless ropes
- Taz.
- · Replies 8 ·
Cricket ball projectile motion: 70m to wall at 30m height
- imy786
- · Replies 24 ·
Student on Ladder - Equilibrium Problem
- Badre
- · Replies 10 ·
What is the Efficiency of an Ideal Monatomic Gas Cycle?
- Vandella
- · Replies 2 ·
How do we get the formula for the contact force ?
- Taz.
- · Replies 26 ·
Moving Pulley Mechanics Question
- Boorglar
- · Replies 9 ·
Finding g from cart acceleration on inclined plane
- utm01
- · Replies 7 ·
Analyzing Torque and Angular Acceleration in a Flywheel Problem
- XwyhyX
- · Replies 4 ·
Calculating time by the force which depends on x
- xserx
- · Replies 1 ·
Solve Ball Swinging Problem with Different Formulas and Calculations
- ianbearpig
- · Replies 2 ·
How Do You Calculate the Normal Force on a Person in an Accelerating Elevator?
- jg727
- · Replies 1 ·
Question related to latent heat of fusion of ice
- pcsx22
- · Replies 1 ·
Roller coaster work gravitational energy.
- tebes
- · Replies 1 ·
How Does Mass Influence Angular Acceleration?
- apaxapax
- · Replies 6 ·
Mass suspended by two cables at different angles
- shamma
- · Replies 6 ·
Microscope objective and eyepiece focal lengths
- grouper
- · Replies 1 ·
Calculating Angular Magnification of a Lens Without Knowing Object Height
- grouper
- · Replies 3 ·
Power loss in transmission lines problem
- IniquiTrance
- · Replies 8 ·
Finding tension in rope supporting 0.50 kg mass on rotating pulley
- slain4ever
- · Replies 3 ·
Basic Newton's Law Problem, 2 Blocks on a frictionless ramp/pulley
- ihatephysicss
- · Replies 1 ·
Entropy related questions - Reversible or Irreversible?
- JustinLiang
- · Replies 2 ·
What is the initial charge of a discharging capacitor with given values?
- eurekameh
- · Replies 7 ·
Calculate Average Power Output of Man Climbing 1576 Steps
- destinc
- · Replies 3 ·
Why can't I add voltage clockwise around a circuit with two batteries?
- Instinctlol
- · Replies 14 ·
Calculating Work on a Ramp: 20kg Crate with Constant Force and Friction
- victor.raum
- · Replies 2 ·
Calculating maximum heright of Mass 1 after elastic collision?
- nukeman
- · Replies 19 ·
Work energy theorem and gravitational potential energy
- Miike012
- · Replies 5 ·
Kinetic Energy of a jogger problem
- destinc
- · Replies 9 ·
Does the conservation of energy apply to springs releasing objects vertically?
- jehan4141
- · Replies 2 ·
Two questions: Initial velocity and vehicle stopping distance
- smclen
- · Replies 4 ·
What is the largest mass the sun can have without destroying the Earth?
- haiku11
- · Replies 4 ·
Where Does the Beam Move When the Ball is Thrown?
- Oriako
- · Replies 4 ·
Ferris Wheel Acceleration Calculation
- canadiankid
- · Replies 1 ·
Perfectly inelastic collision and friction equation derivation
- nukeman
- · Replies 14 ·
Finding velocity at a point on a circular path from energy conservation
- Miike012
- · Replies 28 ·
Mesh Analysis (2 loops 3 supplies)
- bluff_boy
- · Replies 1 ·
What to include in a report on Chaos Theory
- tompinder
- · Replies 1 ·
Percent error using acceleration and 1/mass
- mjohnston2
- · Replies 2 ·
Finding magnitude of vector A given sums and differences
- Kaldanis
- · Replies 6 ·
Imagine that you are looking at yourself in a mirror mounted on a wall
- MozAngeles
- · Replies 2 ·
Why Do Different Methods Yield Different Results for Simple Harmonic Motion?
- Zolo
- · Replies 5 ·
Angular acceleration and velocities - verification of work
- gate13
- · Replies 1 ·
Answear to magnitude of an object slowing to a halt? negative or positive?
- tommyboo
- · Replies 9 ·
Why Can't I Solve This Static Friction Ladder Problem?
- jordan35
- · Replies 1 ·
Finding velocity after elastic collision between 2kg and 4kg objects
- db09thetruth
- · Replies 2 ·
What is the Frequency of Oscillation for a Gibbon Hanging on a Tree Branch?
- gillammd
- · Replies 1 ·
Magnetic field and capacitor questions
- jsmith613
- · Replies 6 ·
Sovling 4 equations with 4 uknowns for equilibrium
- aub
- · Replies 2 ·
E-field of a molecule on a point
- acedeno
- · Replies 1 ·
Charged ball hanging from the side of charged cylinder, great complication.
- Rosengrip
- · Replies 5 ·
Does Static Friction Ever Perform Work?
- krugmik
- · Replies 1 ·
How to find the unknown mass of an object in a 2d collision?
- RusselMorty
- · Replies 1 ·
How Far Did the Drag Racer Travel?
- dvsj67
- · Replies 9 ·
How Does the Zeeman Effect Alter the Wavelength of Hydrogen's Paschen Lines?
- fluidistic
- · Replies 3 ·
Positioning a Third Mass So That It Experiences No Net Gravitational Force
- Becca93
- · Replies 22 ·
Heat capacity / letent heat question
- blarginsnarf
- · Replies 9 ·
Bowling ball rolling off angled roof at 18.4 degrees
- physicsgeek54
- · Replies 4 ·
Amplitude of oscillation vs. velocity over a speed bump
- busadmin
- · Replies 1 ·
Block On Incline Projected Up With Initial Speed
- Becca93
- · Replies 9 ·
Necessary power for reading glasses
- grouper
- · Replies 1 ·
Orbits of Satellites-Proportions and Escape Speed
- physgrl
- · Replies 10 ·
Projectile Motion - A ball launched from a cliff
- samantha.
- · Replies 2 ·
How Do Electric Fields and Work Relate in Basic Electrical Questions?
- fluffy22
- · Replies 1 ·
How Do You Solve Projectile Motion Problems Involving Non-Zero Final Heights?
- jonw39
- · Replies 6 ·