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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Two Events in Special Relativity with on Time Dialation
- zellwwf
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Simplifying slope-angular acceleration vs torque
- pentwaterwave
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Primary cause of the force induced by a current in a magnetic field.
- qazadex
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How much work is done by tension?
- layla2525
- · Replies 1 ·
How can you solve an electric force problem with vectors?
- ASiCaRiO
- · Replies 1 ·
Calculating Maximum Safe Driving Speed to Avoid Collision with a Deer
- mlpck
- · Replies 16 ·
Relative Motion problem that doesn't have right triangle relationship
- Daizin
- · Replies 5 ·
X and Y Components of the Electric Field at the Origin
- Northbysouth
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Block on a ramp Sum of forces, normal force, static friction, etc Question
- riseofphoenix
- · Replies 3 ·
Double slit experiment with smoke particles
- DODGEVIPER13
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Finding acceleration when the same force acts on combined particles
- SalsaOnMyTaco
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Forces acting on a two object system using free body diagram
- meaganl
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How far is the bat from the wall when it hears the echo?
- ohms law
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Kinematics on an inclined plane
- JJBladester
- · Replies 3 ·
Tilt of Earth's Equator: Arctic, Antarctic, Tropics
- mozartkart
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Question involving Newton's laws
- mlb2358
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Vector A has y-component Ay= +12.0A makes an angle of 32.0
- oldspice1212
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Write the expression for the infinitesimal radial inertal force dfr look at pic
- Jac8897
- · Replies 3 ·
How do friction and normal force change when the applied angle increases?
- jonochui
- · Replies 6 ·
Momentum, Ball being thrown on Ice
- Nickym707
- · Replies 5 ·
Why use horizontal force component for friction in angled push problem
- MG5
- · Replies 2 ·
Accelerating Car Free Body Diagram
- 1skypilot
- · Replies 2 ·
A monkey falls from a tree problem
- gurpalc
- · Replies 10 ·
Charge on a 32 μF capacitor in a series circuit
- nautola
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Finding optimal r3 for maximum power dissipation
- 1MileCrash
- · Replies 6 ·
How Fast Must Air Travel to Draw Water Up a Straw?
- Nellen2222
- · Replies 22 ·
Electric potential across a simple circuit
- chris_0101
- · Replies 1 ·
How Do You Solve Projectile Motion Problems with an Initial Launch Height?
- Youngster
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Energy Stored in an Inductor, calculating inductance
- PeachBanana
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Which Way Will the System Move and What Is the Acceleration?
- dododo121
- · Replies 3 ·
Finding the Tension of a cord between two masses
- DanialDimitri
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How to draw vector displacement with three segments on a diagram
- Vroc
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RCC circuit, posible mistake with constants
- 1f5
- · Replies 5 ·
Supersonic jet uniform acceleration final velocity
- weesieman
- · Replies 9 ·
Discharging a capacitor, how variables change over time
- tomwilliam2
- · Replies 5 ·
Instantaneous velocity in one dimension
- RuthlessTB
- · Replies 6 ·
Potential applied across two points with batteries
- 1MileCrash
- · Replies 1 ·
Question regarding electrical potential energy required to assemble a system
- Parad0x88
- · Replies 6 ·
Minimizing downstream drift while swimming across a river
- meulin
- · Replies 1 ·
Thermodynamics Problem(Water and Ice)
- timot0617
- · Replies 1 ·
What is the pressure inside the cylinder?
- dragon162
- · Replies 7 ·
Simple collision between two moving bodies.
- whammer
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Work done by an electric FIELD = Work done by electric FORCE ?
- I_am_a_person
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Ball rolled off top of stairs - which stair does it hit?
- PhizKid
- · Replies 15 ·
What Type of Energy Conversion Occurs When a Cable Car Runs Downhill?
- Hannah1
- · Replies 3 ·
How Do Velocity and Time Relate in Physics Problems?
- ArcherofScience
- · Replies 1 ·
Finding the force given the mass and radius.
- ilc
- · Replies 1 ·
Two Masses One on Table, One Hanging
- freeofwork
- · Replies 5 ·
Net force, tension, acceleration, and magnitude
- JokerPhillips
- · Replies 1 ·
Confusion on displacement question
- ArcherofScience
- · Replies 2 ·
No prefix: How far does a car move before running out of gas on a road?
- ArcherofScience
- · Replies 2 ·
Solving for v(f) using trig functions.
- Apollinaria
- · Replies 12 ·
How to determine the force of friction from a graph?
- Arooj
- · Replies 27 ·
Electrons motion at de broglies wavelength
- DODGEVIPER13
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Two-Dimensional Projectile Motion
- Haikon
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Determining the electric potential at a distance
- Parad0x88
- · Replies 5 ·
A car is moving by gravity force
- 1f5
- · Replies 1 ·
Simple pendulum with friction ODE
- S_Flaherty
- · Replies 3 ·
How Do You Solve Partial Fractions with Quadratic Terms in Physics?
- Nano-Passion
- · Replies 8 ·
Line of sight between two people
- dchellap
- · Replies 10 ·
Calculating Distance and Direction Between John, Paul, and George
- oldspice1212
- · Replies 8 ·
A rocket moves toward a mirror at .8c. My answer conflicts with chegg's
- some_letters
- · Replies 4 ·
What is the minimum length for x to lift the bucket 9 meters in 4 seconds?
- Hello2
- · Replies 13 ·
How to Calculate Tension in a Massless Wire Correctly?
- gralla55
- · Replies 11 ·
How Does Bernoulli's Equation Apply to Hurricane Wind Pressures on a Roof?
- Nellen2222
- · Replies 4 ·
Struggling with Ohm's Law Lab Report?
- sekaie
- · Replies 21 ·
Heat and Conservation of Energy
- bfite8
- · Replies 6 ·
Finding the maximum/absolute error in calculating the density of a metal sample.
- nerdy_hottie
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Why doesn't a rubber band reduce the force on a force probe?
- Bashyboy
- · Replies 7 ·
Find the Proper Time given the time and distance between two events
- zellwwf
- · Replies 2 ·
Fraction of the initial kinetic energy is transferred?
- DrMcDreamy
- · Replies 9 ·
Electrostatic force using vectors
- pcleary
- · Replies 4 ·
Max Altitude Reached by Rocket at 53° Angle
- Toranc3
- · Replies 4 ·
How to get the distance traveled from the force and mass functions?
- Cinitiator
- · Replies 10 ·
Thermodynamic process, gas expansion
- usn7564
- · Replies 1 ·
Electricity and Kirchhoff's Laws
- Pulser18
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Find the coefficient of restitution
- utkarshakash
- · Replies 5 ·
How Does Angular Momentum Affect Local Spacetime Curvature?
- rlance
- · Replies 1 ·
Mechanics, Year One, Forces and perpendicular vectors
- TalibanNinja
- · Replies 5 ·
Finding the second force on a soccer ball kicked by two players
- flawlessbrown
- · Replies 15 ·
Refractive Index of Optical Fibre Core and Cladding
- ~Sam~
- · Replies 2 ·
Friction Force - Bullet hitting a sandbag
- Kristenx2
- · Replies 1 ·
Photoelectric Effect in a Circuit
- Flaneuse
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Finding total displacement and velocity components from projectile motion data
- Buzur
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Can I deduce the coefficient of static friction with Mass, Velocity and Radius?
- Naoki
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Force Problem, Constant F=30N , 30*angle with ground, d=100m
- Steb
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Tensile force in elevator problem
- bdh2991
- · Replies 4 ·
How to find the horizontal range of the car rolling off an inclined cliff
- IantheJay
- · Replies 1 ·
Particle disintegration problem from Landafshitz
- Geofleur
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Maxwell Boltzmann Speed Distribution
- ramsharmjarm
- · Replies 3 ·
Synchronized Clocks: Time Dilation and Lorentz Transformations
- giants86
- · Replies 1 ·
Is the Force F Conservative? Determining Work Along Different Paths
- mattyc33
- · Replies 17 ·
Finding the total pressure acting on a submarine
- strine07
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Latent heat of vaporisation question
- lionely
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Acceleration of cars in reference frames at constant speeds
- Kristenx2
- · Replies 1 ·
Skateboarder with a mass of 150kg
- roske
- · Replies 3 ·
Horizontal Force Required to move a box up a ramp
- Bahrbarian
- · Replies 3 ·
Why does a skydiver accelerate if air resistance doesn't equal weight?
- Feodalherren
- · Replies 8 ·
Calculate the Frictional Force with Force, Mass, and Acceleration given.
- Kristenx2
- · Replies 1 ·
Why is the work of the skier against resistance not negative?
- phospho
- · Replies 9 ·