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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Question involving Newton's laws
- mlb2358
- · Replies 3 ·
Vector A has y-component Ay= +12.0A makes an angle of 32.0
- oldspice1212
- · Replies 4 ·
Write the expression for the infinitesimal radial inertal force dfr look at pic
- Jac8897
- · Replies 3 ·
Friction increase decrease Help
- jonochui
- · Replies 6 ·
Momentum, Ball being thrown on Ice
- Nickym707
- · Replies 5 ·
Coefficient of Kinetic Friction
- MG5
- · Replies 2 ·
Accelerating Car Free Body Diagram
- 1skypilot
- · Replies 2 ·
A monkey falls from a tree problem
- gurpalc
- · Replies 10 ·
Finding the charge on a capacitor
- nautola
- · Replies 1 ·
Finding the Optimal Resistance for Maximum 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
- · Replies 10 ·
Energy Stored in an Inductor, calculating inductance
- PeachBanana
- · Replies 1 ·
Which Way Will the System Move and What Is the Acceleration?
- dododo121
- · Replies 3 ·
Finding the Tension of a cord between two masses
- DanialDimitri
- · Replies 3 ·
Displacement of Sam's Walks: How to Calculate Using a Diagram and Equations?
- Vroc
- · Replies 12 ·
RCC circuit, posible mistake with constants
- 1f5
- · Replies 5 ·
I really don't get this question
- 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 ·
River bank problem Need help ly
- 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
- · Replies 1 ·
Work done by an electric FIELD = Work done by electric FORCE ?
- I_am_a_person
- · Replies 5 ·
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
- · Replies 2 ·
Two-Dimensional Projectile Motion
- Haikon
- · Replies 3 ·
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
- · Replies 5 ·
Physics Lab Questions: Rubber Band & 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
- · Replies 1 ·
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 ·
2 quick questions (Force vector questions
- 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
- · Replies 1 ·
Solving Projectile Motion Homework: Displacement, Velocity, and Equations
- Buzur
- · Replies 1 ·
Can I deduce the coefficient of static friction with Mass, Velocity and Radius?
- Naoki
- · Replies 5 ·
Force Problem, Constant F=30N , 30*angle with ground, d=100m
- Steb
- · Replies 2 ·
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
- · Replies 1 ·
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
- · Replies 3 ·
Latent heat of vaporisation question
- lionely
- · Replies 2 ·
Moving Reference Frames: One Car Passing Another
- 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 ·
Solving the Mystery of Skydiver's Acceleration
- 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 ·
Physics laws related for work and force.
- Mohamad&Issa
- · Replies 1 ·
Solving for Mass of Block of Ice w/ Newton's 2nd Law
- PhyIsOhSoHard
- · Replies 4 ·
Solving Circular Motion Problems: Displacement, Speed, & Acceleration
- snagglepuffin
- · Replies 2 ·
Pendulum of unknown length and unknown g, only period given
- mh1985
- · Replies 3 ·
Checking Whether a Force is Conservative Using Integration
- SHISHKABOB
- · Replies 2 ·
Tension in a light inextensible string
- hms.tech
- · Replies 7 ·
Tennisball bouncing on wall - momentum
- Feodalherren
- · Replies 10 ·
Magnitude and direction of net force acting on a charge.
- thatguythere
- · Replies 2 ·
Calculating Impact Velocity Using Coefficient of Restitution
- bionut
- · Replies 5 ·
Finding the depth of a well after dropping a rock
- Fisherman166
- · Replies 18 ·
How Does Incline Angle Affect Ice Block Acceleration on a Frictionless Ramp?
- oreosama
- · Replies 1 ·
Finding the possible values of a force pushing a block
- AryRezvani
- · Replies 2 ·
Projectile, max height half the range, find angle
- click0420
- · Replies 3 ·
Normal Force of an object being pushed
- diego1404
- · Replies 1 ·
Solving Circuit Questions: Finding Vth and Currents
- GreenPrint
- · Replies 8 ·