Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What is the absolute pressure in a tank measured by a manometer?
- DevonZA
- · Replies 1 ·
How Fast Does a Rock Fall from 20 Meters?
- McNutt74
- · Replies 1 ·
How far will the ship travel after the engine stops?
- Kara386
- · Replies 4 ·
Calculate the angular velocity of the milk carton
- javii
- · Replies 13 ·
Force exerted by ramp on ball rolling down a quarter-circle ramp
- tbear
- · Replies 5 ·
What is the motion of the cylinders after the collision?
- Game_Of_Physics
- · Replies 55 ·
Calculate how many revolutions the flywheel turns
- javii
- · Replies 1 ·
Calculate Change in Speed Using Unit Vectors: Easy Physics Solution
- Deadawake
- · Replies 2 ·
What is the force exerted by a laser pulse on a target?
- Kara386
- · Replies 4 ·
Moment of inertia of a non uniform disc
- Rnm
- · Replies 9 ·
Get vibration frequency form absorption spectra line
- want2graduate
- · Replies 2 ·
Formula for delta star in capacitors
- avistein
- · Replies 4 ·
Finding frequency of an AC current sin wave?
- jlmccart03
- · Replies 6 ·
Energy necessary to put something in orbit
- undividable
- · Replies 3 ·
Projectile Motion- Object Launched in the Air
- Catchingupquickly
- · Replies 3 ·
Using Laplace to solve circuit analysis
- Cocoleia
- · Replies 1 ·
Why is the potential difference between points X and Z zero?
- LuTEX
- · Replies 12 ·
Trouble finding the amplitude in a SHM problem
- frozen-pizza
- · Replies 8 ·
Fluid Statics/depth in a cylinder
- tennisgirl92
- · Replies 6 ·
Type of circuit -- What would you call this?
- superslow991
- · Replies 2 ·
Direction of induced current from varying magnetic field
- alexdr5398
- · Replies 2 ·
Calculate the maximum acceleration of a milk carton
- javii
- · Replies 2 ·
Angular spread of light rays passing through a prism
- Quenton Robertson
- · Replies 6 ·
Calculating Average Energy of a quantum state
- Z90E532
- · Replies 1 ·
Which proposed EM waveforms in vacuum satisfy Maxwell's equations?
- Rahulrj
- · Replies 7 ·
Spring and Energy: Rocket clamped to an anchored spring
- Max
- · Replies 1 ·
Projectile Motion- Plane releases payload
- Catchingupquickly
- · Replies 6 ·
Calculating Angle to Shoot Sword Over Wall for UT - 65 Characters
- Superman123
- · Replies 33 ·
Velocity Vectors and Navigation Across A River
- Catchingupquickly
- · Replies 4 ·
Calculate vmax and voltage from X-ray distribution function
- VH1
- · Replies 2 ·
Find the angular acceleration of the bridge?
- general_ludd
- · Replies 1 ·
Finding string tension for a ball whirled in a vertical circle
- physicaled
- · Replies 9 ·
Direction of vector acceleration in circular motion
- Bunny-chan
- · Replies 13 ·
Plane in flight - Dynamics Question
- Ryansf98
- · Replies 6 ·
Calculating Gasoline Tank Depth and Volume
- tennisgirl92
- · Replies 8 ·
Magnitude of force of a disk on a circular track
- dodosenpai
- · Replies 6 ·
Finding the force of repulsion between two point charges
- RabbitWho
- · Replies 5 ·
Find velocity of air using Bernoulli principle
- goatz4real
- · Replies 4 ·
What is the Direction of the Field and Current in a Changing Magnetic Field?
- superslow991
- · Replies 4 ·
CIE A'level question on toppling of connected solids
- moriheru
- · Replies 7 ·
Determining equilibrium position between two springs
- heartshapedbox
- · Replies 3 ·
Why Does My RL Circuit Analysis Yield a Positive Time Constant?
- yosimba2000
- · Replies 1 ·
Expression for volume charge density of a sphere
- David23454
- · Replies 16 ·
Magnetic Fields- Finding the radius
- Studentphysics
- · Replies 3 ·
Electric field with three charges and a point
- dbuhtoia
- · Replies 1 ·
Indices of refraction when wavelengths are given
- ikihi
- · Replies 2 ·
Motion of two objects connected by a string
- songoku
- · Replies 18 ·
Electric field Pre-lab annotation
- Max
- · Replies 3 ·
Find velocity from Force graph using Work Theorem and Energy
- Max
- · Replies 5 ·
Four point charges multipole expansion in spherical coordinates
- grandpa2390
- · Replies 8 ·
How Does a Leather Belt Keep Baggy Jeans in Place?
- Fizzic
- · Replies 3 ·
Working with phasors (Circuits, such as complex power)
- Cocoleia
- · Replies 4 ·
Yes, that makes sense. Thank you for pointing that out.
- ztf24
- · Replies 8 ·
Simple Harmonic Oscillator behaviour when a potential term is added
- Rahulrj
- · Replies 11 ·
How Does a Combined Lens and Mirror System Create Images?
- horsedeg
- · Replies 1 ·
Weight of air on a piece of paper
- ztf24
- · Replies 2 ·
Kinematics Question: Falling object
- Catchingupquickly
- · Replies 3 ·
What is the magnitude of the electric field (rod)?
- sunnnystrong
- · Replies 4 ·
Electric field from two +3.0 nC charges 10 cm apart
- sunnnystrong
- · Replies 10 ·
Temperature in a Carnot heat engine
- EightBells
- · Replies 2 ·
Which drawing represents an AC generator?
- Asmaa Mohammad
- · Replies 9 ·
Boatswans Chair pulley Question
- Ryansf98
- · Replies 14 ·
Drag force with differential equations, finding max speed
- gelfand
- · Replies 3 ·
What is the Speed of Sound in this Lab Setup?
- lightofthemoon
- · Replies 1 ·
Heat required to heat water and ice
- Elias Waranoi
- · Replies 2 ·
Circular polarization of magnetic field in TE10 rectangular waveguide
- cefl
- · Replies 1 ·
Average normal and tangential acceleration along a curved path
- whynot314
- · Replies 8 ·
Body Velocity and Position on X-Axis at a Given Moment
- mike32
- · Replies 4 ·
How long an object takes to stop - using friction, momentum
- gelfand
- · Replies 12 ·
Critically Damped System - Viscous force
- dumbdumNotSmart
- · Replies 3 ·
Gravitational forces, speeds and masses
- gelfand
- · Replies 11 ·
How do I find the amplitude of the combined signal?
- alexdr5398
- · Replies 4 ·
Why do the capacitors in this circuit have the same voltage?
- alexdr5398
- · Replies 4 ·
How Do You Calculate Acceleration at t = 1/1.1 sec from the Given Equation R(t)?
- mike32
- · Replies 6 ·
Potential of a conducting sphere in a conducting shell
- razidan
- · Replies 12 ·
How Does the Doppler Effect Explain Frequency Changes in Moving Cars?
- Elias Waranoi
- · Replies 3 ·
Driving force of a car experiment
- Fred Hill
- · Replies 12 ·
Relate rotational kinetic energy to potential energy
- lydia_y620
- · Replies 6 ·
Gravitational field outside a hollow spherical planet
- Carbon123
- · Replies 7 ·
Why is this loop pushed downwards by the magnetic field?
- alexdr5398
- · Replies 2 ·
Simple inductance question: Finding steady state current
- alexdr5398
- · Replies 4 ·
Induced EMF graph of a very small wire moving through a coil
- FelaKuti
- · Replies 3 ·
Force on a pulley from a deflected string with tension T
- user240
- · Replies 6 ·
Why do a charged and neutral sphere attract if one is insulating?
- alexdr5398
- · Replies 8 ·
Test the limits of Poiseuilles law
- Ron Burgundypants
- · Replies 6 ·
What happens to a coil of wire as current is increased?
- alexdr5398
- · Replies 4 ·
Two circuits coupled by adjacent inductors with third resistor
- D Nguyen
- · Replies 1 ·
Electricity: voltage calculation in serial
- Epoch
- · Replies 4 ·
Magnetic flux through a rectangular loop inside a wire
- D Nguyen
- · Replies 1 ·
What is the angular acceleration of an arm
- Dusty912
- · Replies 2 ·
Why is the time interval T/4 - t, not T/4 + t, in damped oscillation?
- Carbon123
- · Replies 3 ·
Why Does a Car Accelerate When Rolling Down a Hill?
- gelfand
- · Replies 11 ·
Why does perpendicular source motion produce no Doppler shift?
- undividable
- · Replies 3 ·
Car on a hill - reasoning for static friction
- gelfand
- · Replies 5 ·
How much energy does the Earth radiate to space?
- Vector1962
- · Replies 8 ·
Collision of point mass and sphere in particular fashion
- timetraveller123
- · Replies 31 ·
How to find the open circuit voltage?
- ltnghia1304
- · Replies 1 ·
Conservation of momentum, collisions - what about friction?
- gelfand
- · Replies 8 ·
Poynting's theorem in a solenoid
- matnatale
- · Replies 1 ·