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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Vertical deflection of an electron in a uniform force field
- J-dizzal
- · Replies 78 ·
Initially you are driving at 45 ft/sec on a straight road
- Tonia
- · Replies 5 ·
Uniform circular motion of a particle problem
- J-dizzal
- · Replies 5 ·
What is the Magnitude of Betty's Force for Equilibrium?
- J-dizzal
- · Replies 4 ·
What is the Average Speed and Acceleration of a Car on a Straight Road?
- Tonia
- · Replies 45 ·
Coulomb triple integral for a sphere
- Luke Bower
- · Replies 11 ·
Spaghetti string pulled by chicken and rooster
- Ocata
- · Replies 9 ·
Calculate the force of ball on an incline leaning on a wall
- Amit86
- · Replies 14 ·
Approaching a Cops and Robbers Chase Problem Using Equations of Motion
- Deep Dhillon
- · Replies 2 ·
What is the tension in the string?
- middleearthss
- · Replies 25 ·
Frequency of two springs in series connected to mass m
- toesockshoe
- · Replies 4 ·
Investigate one factor that affects the angle of refraction
- Azzzy
- · Replies 1 ·
How far does it take for an object to reach maximum velocity
- Tonia
- · Replies 7 ·
Potential Energy and Velocity of a Spaceship
- Drakkith
- · Replies 2 ·
How much work is required to stop an electron
- rperez1
- · Replies 5 ·
Finding equivalent resistance between two points in a circuit
- Arka420
- · Replies 5 ·
A curve of radius 76 m is banked for a design speed of 100 km/h
- rperez1
- · Replies 3 ·
Velocity of current-carrying cylinder
- steve B. 98
- · Replies 3 ·
Finding the feedback loop voltage equation with KCL and KVL
- universitypq98
- · Replies 1 ·
Check my answer for power output question
- MaryBarnes
- · Replies 9 ·
What is the work-energy theorem for a block sliding on a frictionless incline?
- Drakkith
- · Replies 6 ·
How to derive the tension equation for a suspended rod
- fldk31
- · Replies 7 ·
Particle Uniform circular motion problem
- J-dizzal
- · Replies 4 ·
How to solve the Momentum of a baseball?
- mgomez
- · Replies 1 ·
Tension and Uniform Circular Motion (no r, ω, θ)
- tmanderson
- · Replies 7 ·
Finding pivot force as load distance varies on a crane
- MironeDagains
- · Replies 28 ·
Archimede's Principle and Work due to buoyant force
- Blooch
- · Replies 1 ·
Calculating Spring Constant for a Mass-Spring System: Technician's Experiment
- fldk31
- · Replies 1 ·
Moments caused by centripetal force?
- TomW17
- · Replies 1 ·
Determine your ave. speed and ave. velocity
- Tonia
- · Replies 13 ·
You are traveling on a straight road with constant velocity
- Tonia
- · Replies 9 ·
Why does isothermal expansion increase pressure in this problem?
- Arun Raja
- · Replies 3 ·
Rotational ACC and Gravitational ACC
- DameLight
- · Replies 7 ·
Block and pulley with friction: why does changing the sign give the correct answer?
- Lord Anoobis
- · Replies 6 ·
Rain appearing vertical on an incline at what velocity
- takando12
- · Replies 5 ·
What Calculations Determine the Length of the Rope and Mass of the Pendulum?
- Drakkith
- · Replies 15 ·
Friction in a 3 block and pulley system
- Maximusw47
- · Replies 4 ·
Friction - 3 Blocks and a Pulley
- FredericChopin
- · Replies 3 ·
How Do You Calculate Vector Magnitudes and Directions from Given Angles?
- mahadasgar
- · Replies 5 ·
Free body diagram for all forces
- monsteruf
- · Replies 3 ·
Marching Band doppler effect with Beat Frequency.
- Ethan_Tab
- · Replies 2 ·
Projectile motion (ground to ground)
- J-dizzal
- · Replies 3 ·
Mass of substance in a system (Heat transfer)
- Zoey Brown
- · Replies 2 ·
Show that Newton's 2nd Law is Not valid in accelerating reference frame
- Tonia
- · Replies 3 ·
How Does Uranium Decay Impact the Temperature of Surrounding Lead?
- Zoey Brown
- · Replies 1 ·
Why does a constant force result in 0 torque in Barlow's wheel experiment?
- NooDota
- · Replies 7 ·
Radioactive Isotopes and half life
- Zoey Brown
- · Replies 1 ·
What Are the Thermodynamic Processes Involved in This Gas Cycle?
- Jack Easton
- · Replies 2 ·
Building a Model Car: Maximizing Efficiency with Newton's Law
- XJL488Hax
- · Replies 9 ·
Solve Pulley Problem: Frustrated After Weeks of Trying
- FredericChopin
- · Replies 4 ·
8th grade physics working model project ideas
- Mr.maniac
- · Replies 7 ·
What Is the Maximum Amplitude of Oscillation to Prevent Slipping?
- toesockshoe
- · Replies 7 ·
How does moon's orbital distance change when Earth's rotation slows?
- toesockshoe
- · Replies 11 ·
Calculating the Angular Inertia of a Disk without Calculus
- 24forChromium
- · Replies 13 ·
Increasing the speed of Barlow's wheel
- NooDota
- · Replies 4 ·
How Much Power Does a Pump Need to Move Water Adiabatically?
- Jack Easton
- · Replies 3 ·
Conservation of Momentum of astronaut leaving ship
- TyroneTheDino
- · Replies 3 ·
Acceleration of system, connected to a rotational body
- jason lee
- · Replies 4 ·
Projectile Motion: Where Did I Go Wrong?
- PhysicallyAbel
- · Replies 14 ·
Charged Particle in Space: External Forces and Constant Velocity
- Fluxxx
- · Replies 8 ·
Can an Insect's Constant Speed Enable It to Reach the Top of a Pivoting Disk?
- Zero Divisor
- · Replies 11 ·
Unwinding Hoop: what holds it up?
- omega5
- · Replies 7 ·
Quantum physics experiments for EEI
- Nick reznov
- · Replies 2 ·
[attempt?] car accident problem.
- bby__hae!
- · Replies 1 ·
Fick's First Law (Diffusion Problem)
- goncalo x. r.
- · Replies 4 ·
What Must Be the Length of the New Runway?
- KEVIN Phlem
- · Replies 1 ·
What Is the Physical Interpretation of Prandtl Number in Heat Transfer?
- Sahil Dev
- · Replies 1 ·
How Is Newton's Law of Cooling Derived?
- Junior Newton
- · Replies 1 ·
Lift relative velocity question.
- takando12
- · Replies 2 ·
Newton's third law is not correct
- juviena
- · Replies 2 ·
Acceleration Vector and Motion of Particle
- RyanH42
- · Replies 17 ·
How to calculate open rotor voltage?
- theone
- · Replies 2 ·
Kinetic energy -- plot molecule frequency vs temperature
- Niki
- · Replies 3 ·
SHM and Conservation of Energy/Momentum
- badatphysics2
- · Replies 1 ·
What is the velocity of particle x with reference to Y?
- Alpha123
- · Replies 4 ·
Solving Fluid Flow in Pipe: Mass Rate 4Kg/s, P1 700Pa, P2 600Pa
- Classic49
- · Replies 4 ·
Distance to the nearest node along the back wall
- lodestar
- · Replies 7 ·
What kind of fringe is seen at the left edges of the slides?
- rockerdude1210
- · Replies 10 ·
SHM with mass of spring included
- Alettix
- · Replies 4 ·
Particle with constant speed: is acceleration magnitude also constant?
- RyanH42
- · Replies 5 ·
Show that Newton's Second Law is valid?
- Tonia
- · Replies 5 ·
Is vA Greater Than, Equal to, or Less Than vC After the Collisions?
- rockerdude1210
- · Replies 2 ·
Icy slope, toboggan, find coefficient of friction
- marsten
- · Replies 19 ·
Impact force on a falling object that spreads
- MelanieBrett
- · Replies 1 ·
I've forgotten the formula for distance thrown
- Tybras
- · Replies 5 ·
Free fall question, 2 objects meet
- Radic S
- · Replies 9 ·
Electric Field due to Shell Hemisphere
- Jazz
- · Replies 5 ·
Calculating Pressure Difference w/ Bernoulli Law for Bay Inlet
- adoprea
- · Replies 2 ·
Rock dropped from cliff: why initial position is zero in the equation
- PhysicallyAbel
- · Replies 3 ·
Net angular acceleration of a two wheel system
- kostoglotov
- · Replies 12 ·
Calculate 8000 Megajoules of Water Tunnel Kinetic Energy
- AslamRandhawa
- · Replies 1 ·
Finding the angle of impact when a ball rolls off a table
- TheTopGun
- · Replies 2 ·
Ball Rotation on a Ball: Solving for Center of Mass Velocity
- Karol
- · Replies 34 ·
What are the ##\vec{u}_r## and ##\vec{u}_θ## vectors?
- RyanH42
- · Replies 8 ·
Why is the work done by tension on M1 half of the work done by gravity?
- Drakkith
- · Replies 11 ·
Skier launching horizontally from ramp onto 45-degree slope
- Denize
- · Replies 5 ·
First law of thermodynamics for closed and open systems
- Sahil Dev
- · Replies 24 ·
Hooke's Law and Centripetal Motion
- CAG0625
- · Replies 2 ·
Why does E field tangential component equal at glass boundary?
- austinmw89
- · Replies 5 ·
Grindstone slowed by knife: applied force off by 2 orders of magnitude
- kostoglotov
- · Replies 1 ·