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 concerning displacement and vectors
- UhhRandomUser
- · Replies 6 ·
Boat slowing down with variable acceleration
- ionitacodrut
- · Replies 1 ·
Forces in a hot air balloon ascending at constant speed
- gcombina
- · Replies 5 ·
Velocity of centre of mass (rolling w/o slipping)
- redtrebor
- · Replies 3 ·
How Do You Calculate Initial Velocity in Archery Physics Problems?
- killaI9BI
- · Replies 9 ·
What happens to particles in synchrotron accel. if weak magentic field
- Jaimie
- · Replies 2 ·
Is the Upper Optical Path Longer than the Lower One in Diagram 2?
- desmond iking
- · Replies 1 ·
How Do You Calculate the Position Vector of a Moving Particle?
- kay
- · Replies 7 ·
Will the Bug Ever Reach the End of the Stretching Rubber Band?
- Nathanael
- · Replies 53 ·
Self-inductance electromagnet circuit
- Daltohn
- · Replies 20 ·
Intefrence of light and separation of slit
- desmond iking
- · Replies 3 ·
Optical path difference caused by double slit
- desmond iking
- · Replies 6 ·
Find Temperature Formula for Varying Thermometer
- slaw155
- · Replies 1 ·
What Determines the Proximity of a Proton to an Infinitely Charged Line?
- Alexander2357
- · Replies 5 ·
How Much More Energy to Accelerate a Car from 30 to 60 km/h?
- brake4country
- · Replies 3 ·
What is the solution for a pulley system with 200N weight and 40N weight?
- SteliosVas
- · Replies 5 ·
What is the average force exerted on a rocket during acceleration?
- brake4country
- · Replies 7 ·
Orbital period of two moons in the same orbit
- mr_trollface_-
- · Replies 11 ·
How Fast Do Point Charges Move After Being Released?
- ELB27
- · Replies 4 ·
Calculating the Stopping Distance of a Car
- SteliosVas
- · Replies 10 ·
Hang Time for Skateboard Jumping
- killaI9BI
- · Replies 8 ·
Electric field of disk vs ring problem
- Crush1986
- · Replies 4 ·
Determining Displacement, Adding Vectors
- killaI9BI
- · Replies 24 ·
Converting 47 Smoots to Willies and Zeldas using parallel paths
- kthor94
- · Replies 1 ·
Block sliding down incline with friction on second half only
- Yashbhatt
- · Replies 5 ·
Two masses on incline raising mass M via pulley system
- paalfis
- · Replies 20 ·
Why can a 200K brick in a 300K environment extract more work than vice versa?
- golanor
- · Replies 9 ·
Why does single slit closer to double slit increase interference brightness?
- desmond iking
- · Replies 1 ·
If two lenses have the same radii of curvature but different indexes
- needingtoknow
- · Replies 2 ·
Satellite Collision: Find Max Mass mj for Orbit Without Hitting Earth
- jhoge
- · Replies 1 ·
Young's double slit experiment
- somecelxis
- · Replies 1 ·
Inteference of incoherent light waves
- desmond iking
- · Replies 1 ·
Magnetic field on a proton due to an electron
- bennyq
- · Replies 2 ·
What is net contact force and does it include friction?
- Deep Blue
- · Replies 1 ·
Block projected up incline by compressed spring (28°)
- questtosuccess
- · Replies 13 ·
Derivation of graph of v against u
- desmond iking
- · Replies 4 ·
Why is the angle ABO equal to the refraction angle in a glass sphere TIR problem?
- betaleonis
- · Replies 4 ·
Geomertical optics- derivation of graph of (u+v) against u
- somecelxis
- · Replies 5 ·
Minimum separation of two charged pucks approaching each other
- Jaimie
- · Replies 6 ·
Vector Multiplication: Finding the Correct Solution
- Roodles01
- · Replies 2 ·
How Does Angle θ Relate to Liquid Densities in a Bent Tube Experiment?
- dk_ch
- · Replies 14 ·
How Does Speaker Placement Affect Sound Frequency Detection?
- Arnoldjavs3
- · Replies 2 ·
Find Force Applied Horizontally to Displace 0.06kg Bob 0.10m
- Yashbhatt
- · Replies 1 ·
Specific heat capacity - heating ice/water
- slaw155
- · Replies 7 ·
Laws of Motion (Pulleys, blocks)
- kishlaysingh04
- · Replies 21 ·
Would you hear nothing if you struck two tuning forks of the same
- needingtoknow
- · Replies 15 ·
Why don't window reflections change color with glass thickness?
- flutterbybrain
- · Replies 6 ·
How Does Friction Affect the Reaction Force Between Two Blocks?
- Epshita
- · Replies 3 ·
What Is the Minimum Velocity for a Sphere to Traverse a Grooved Disk?
- Satvik Pandey
- · Replies 25 ·
How to Express the Curve of a String Hung Between Two Columns
- techjumper
- · Replies 3 ·
What is the Definition of p_Θ in Polar Coordinates?
- td21
- · Replies 2 ·
Does a Glider Complete Its Loop Starting at 60 m/s with 30 m/s² Acceleration?
- StudentTM
- · Replies 37 ·
PV diagrams for ideal gas: Finding Work Done
- slaw155
- · Replies 4 ·
Discrepancy in potential of two opposite charges
- ELB27
- · Replies 11 ·
Relative Humidity Changes in a Closed Room
- slaw155
- · Replies 1 ·
Magnetic field from current element using Biot-Savart law
- Roodles01
- · Replies 1 ·
How Do I Solve This Spring Differentiation Problem in Physics?
- cracktheegg
- · Replies 6 ·
Calculating the power developed by the motor
- NewtonianAlch
- · Replies 9 ·
What is the Correct Equation for Volume and Its Units in this Physics Problem?
- NewtonianAlch
- · Replies 2 ·
Conductance of heat through concrete
- slaw155
- · Replies 2 ·
What Is the Maximum Force Mary Can Apply Without Roberto Sliding Off the Sled?
- fightboy
- · Replies 3 ·
Fluid force on a vertical 15' by 5' panel submerged in water
- mcrew
- · Replies 7 ·
Diffusion -- What is average distance travelled?
- vegemite
- · Replies 1 ·
Why do standing waves have nodes if opposite waves cancel out?
- needingtoknow
- · Replies 7 ·
Velocity -- plane takeoff speed and distance
- APphysicsOR
- · Replies 2 ·
How Is Uncertainty Calculated for (a+b)/(c+d) When a=b=c=d?
- lavster
- · Replies 3 ·
Is the propagation of a wave simple harmonic motion?
- needingtoknow
- · Replies 3 ·
Electric potential in a spherical capacitor
- ppedro
- · Replies 4 ·
How many blocks can stack before the tower falls with 0.15L offset?
- ItsImpulse
- · Replies 1 ·
Charged sphere suspended between two parallel plates
- Jaimie
- · Replies 5 ·
What are the possible decays of the K+ kaon involving strange quark decay?
- HMPARTICLE
- · Replies 1 ·
Voltage that brings electron to rest
- Alexander2357
- · Replies 11 ·
What is the new angle of the light ray after Lorentz transformations?
- Felpudio
- · Replies 1 ·
Time dilation formula explanation?
- Phycisists
- · Replies 10 ·
How to Solve a Mixed 2 DOF Vibration Problem with Incorrect Free Body Diagram?
- Matthias85
- · Replies 3 ·
How to Solve the Kinematics Ratio Problem for a Particle's Journey?
- croslali
- · Replies 1 ·
Why energy method gives half the spring constant for compressed spring
- Curieuse
- · Replies 17 ·
Specific heat capacity - heat energy transfer
- slaw155
- · Replies 1 ·
Calculating final angular velocity using rot. KE and ang. momentum?
- 21joanna12
- · Replies 2 ·
What lets a sound or light wave through
- lolpp
- · Replies 1 ·
Work by gravity moving up a ramp: final minus initial or initial minus final?
- physics801
- · Replies 3 ·
Binding energy of a nitrogen nucleus
- cosmictide
- · Replies 2 ·
Word Problem about Special Relativity
- philcsar
- · Replies 1 ·
Finding Work Done by Friction on a Sliding Block Against a Wedge
- Satvik Pandey
- · Replies 52 ·
Change in Entropy of surroundings for irreversible process
- dhtikna
- · Replies 1 ·
Can you have angular acceleration without centripetal acceleration?
- 21joanna12
- · Replies 7 ·
Radius of curvature of glass and water lens
- desmond iking
- · Replies 3 ·
Pilot averages 190W over distance. Mass, time, power given. find H
- lolbob07
- · Replies 5 ·
Projectile Motion (Ball thrown towards a wall)
- Fetch
- · Replies 8 ·
Where to open a door the easiest?
- simplyphysics
- · Replies 6 ·
Radius of curvature of second lens surface
- desmond iking
- · Replies 1 ·
How Do You Solve for v in Physics Equations?
- desmond iking
- · Replies 5 ·
What is the Thevenin's Equivalent Circuit for a Given Linear Circuit?
- baby_1
- · Replies 6 ·
Resolution of the Eye-Light Rays and Diffraction
- alingy1
- · Replies 9 ·
What is the Direction of Friction Force Between Moving and Stationary Surfaces?
- simplescience
- · Replies 15 ·
Motion Along A Straight Line (Constant Acceleration)
- Fetch
- · Replies 12 ·
Solve Electric Field Problem: Find q1 and q2
- NickPA
- · Replies 3 ·
Verifying series-parallel circuit reduction method
- STEMucator
- · Replies 1 ·
Focal length of combined glass lens and water lens
- desmond iking
- · Replies 2 ·
Finding the Speed of a Wedge and Rod System
- Tanya Sharma
- · Replies 71 ·