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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Rotate object in space to direction [Simulation]
- HateDread
- · Replies 9 ·
Solution to Gravitation Problem - Third Mass on Perpendicular Bisector
- toothpaste666
- · Replies 6 ·
Kinematics and Work-Energy problem with skier
- alingy2
- · Replies 4 ·
Will Current Flow Through a Rotating Copper Wire Loop in a Magnetic Field?
- oakles
- · Replies 1 ·
Capacitor. Find thickness of polystyrene
- owtu
- · Replies 1 ·
Qualitative Explanation of Range
- tmobilerocks
- · Replies 1 ·
Radius of hellical chain (radius of path of electron)?
- delsoo
- · Replies 4 ·
Kinetic Energy of Rotating Solid disk or cylinder about symmetry axis
- Schulze
- · Replies 1 ·
Is There Missing Information in This Simple Harmonic Motion Problem?
- zacc
- · Replies 4 ·
How Does Gear Size Affect Torque in a Truck Transmission?
- mahmoudnasr12
- · Replies 1 ·
Issue finding change in voltage across a resistor
- Blakeasd
- · Replies 1 ·
Ice Cubes and Drink Equilibrium
- martepartay
- · Replies 1 ·
Mechanics- Dynamics of particle moving in a straight line questions
- cakeislife
- · Replies 1 ·
Max Acceleration from Friction w/ Coeff 0.95: 9.3 m/s2
- tmobilerocks
- · Replies 3 ·
Find resistance, inductance, and the time constant for an RL circuit.
- rail2k
- · Replies 4 ·
Electrostatic fields- What defines an electrostatic field?
- KiNGGeexD
- · Replies 17 ·
How Does Light Intensity Change When Two Laser Beams Cross?
- fogvajarash
- · Replies 3 ·
Questions about course of Energy conservation
- physicos
- · Replies 3 ·
Dog jumping off cliff with energy conservation
- kisbester
- · Replies 2 ·
Electric Potential between two charges of equal magnitude
- wootman23
- · Replies 1 ·
How Many Bananas to Power a Light Bulb?
- JohnCarter
- · Replies 1 ·
Block on 30° incline: is static friction enough to prevent motion?
- physicos
- · Replies 12 ·
Block sliding on 45 degree wedge with constant acceleration
- Radarithm
- · Replies 2 ·
Magnetic Field due to Time Dependent Current
- Mysterious
- · Replies 1 ·
Calculating Potential Energy Change on a Sliding Playground
- Medgirl314
- · Replies 19 ·
Why Does a Rolling Disk Have No Translational Kinetic Energy?
- princejan7
- · Replies 3 ·
What is the frequency of a vibrating steel cable in its third harmonic?
- MasterPnut
- · Replies 1 ·
Maximum radius given rps, static and kinetic friction coefficients
- tehnexus
- · Replies 3 ·
Finding charge on sphere using energy
- need_aca_help
- · Replies 7 ·
Strain energy in a beam with applied moment
- theBEAST
- · Replies 9 ·
Mass Colliding With a Spring (Fixed Speed)
- checkmatechamp
- · Replies 2 ·
Elastic collision conceptual problem
- alingy2
- · Replies 1 ·
What is the slope of the graph for F versus I?
- delsoo
- · Replies 5 ·
Deriving E of a charged spherical shell from V
- FallenLeibniz
- · Replies 2 ·
Hinged Valve Submerged in Water
- Captain1024
- · Replies 6 ·
Reaction forces in a Static system
- jen
- · Replies 8 ·
Damped Oscillation Equation: Finding Amplitude and Phase Angle
- Maxo
- · Replies 4 ·
Magnetic field at a point above a metal strip.
- Ruitker
- · Replies 15 ·
Fletcher's Trolley (Hanging Mass Problem)
- Mike_Stokes
- · Replies 2 ·
Calculate Magnetic Field through Angular Velocity
- Mysterious
- · Replies 1 ·
Why is friction on the car pointing left if it's moving left?
- eterna
- · Replies 8 ·
How Should a Diode Be Connected in an Ammeter to Detect Small AC Currents?
- Saitama
- · Replies 15 ·
Position of spot in oscilloscope
- delsoo
- · Replies 5 ·
Problem with drawing velocity vectors
- physicos
- · Replies 5 ·
Beta and alpha decay sequence of Bi-213
- LotusTK
- · Replies 6 ·
What´s the temperature at a given distance from a heat source?
- ccbaye
- · Replies 6 ·
Two blocks on 50° inclines connected by pulley, constant velocity
- BioCat
- · Replies 3 ·
Moment of inertia of a cylinder with a drilled hole
- xphysics
- · Replies 7 ·
Tricky circuit calculating the total capacitance
- need_aca_help
- · Replies 3 ·
Acceleration of Two Disks Welded Together
- student34
- · Replies 2 ·
Calculating the net force exerted on an electron
- need_aca_help
- · Replies 16 ·
Calculating Kinetic Energy of a Positron from Gamma Photon Interaction
- johann1301
- · Replies 7 ·
Magnetic field and magnetic force
- delsoo
- · Replies 1 ·
Multi-Wavelength Observations of Cluster
- rstein66
- · Replies 3 ·
Optics: How much light required to heat water?
- Feodalherren
- · Replies 3 ·
Working out the initial velocity
- theholychilli
- · Replies 1 ·
Basic dynamics/acceleration question
- Mike_Stokes
- · Replies 3 ·
What time do simultaneous events in rest frame occur in moving frame?
- Persimmon
- · Replies 9 ·
Why is Ix/Iy used instead of Iz for the mass moment of inertia?
- princejan7
- · Replies 1 ·
How to deal with non fixed springs?
- girolamo
- · Replies 1 ·
What does cross section area mean when dealing with stress/strain?
- Jay520
- · Replies 4 ·
How the speed of particles is affected
- Cal124
- · Replies 9 ·
Conservation of energy - spring
- lukatwo
- · Replies 3 ·
Vertical jump height from force plate
- Rejeost
- · Replies 13 ·
Calculating Total Antenna Power for Modulated Carrier Wave
- Saitama
- · Replies 16 ·
Cross-products and the right-hand rule
- Kavorka
- · Replies 6 ·
Where Do Falling and Projected Stones Meet?
- Yashbhatt
- · Replies 8 ·
Induced current in a coil around a solenoid
- Loopas
- · Replies 1 ·
Radius of helical motion in a magetic field
- wai1997401
- · Replies 3 ·
Why doesn't a seesaw with equal masses at different heights move to level?
- fromage
- · Replies 2 ·
DIfference between a rolling and a spinning wheel
- eterna
- · Replies 1 ·
Universal gravitation previous exam problem
- Mikecarlson
- · Replies 5 ·
Fringes from Different Interfering Wavelengths
- cecenn
- · Replies 2 ·
Train Velocity: Calculating Midpoint Velocity at Instant
- mayurkhairnar
- · Replies 3 ·
Gravity and Angular acceleration
- sreya
- · Replies 3 ·
Unbalanced Force Components and Acceleration
- min_eng
- · Replies 1 ·
Calculating Number Density of Gas Molecules
- Chase11
- · Replies 2 ·
Finding internal energy of helium and oxygen at 100K
- edanzig
- · Replies 2 ·
Momentum and impulse in a two-cart collision
- emma934
- · Replies 5 ·
Find the minimum separation between 2 pucks
- Helios12
- · Replies 10 ·
Why is radon in houses still dangerous?
- 96alex
- · Replies 4 ·
Solve Air Pressure Problem: 500m Skyscraper, 1.3 kg/m3
- edanzig
- · Replies 5 ·
Magnetic field lines of earth
- College3214
- · Replies 3 ·
Finding the Quantum Number for Quantized Angular Momentum in Circular Motion
- 886363
- · Replies 1 ·
Radioactive Decay - working out activity
- FaraDazed
- · Replies 5 ·
Rectangular Plate SHM Time Period
- Tanya Sharma
- · Replies 37 ·
Electric filed of each plate of capacitor
- baby_1
- · Replies 5 ·
The electric field in the dielectric is wasted?
- baby_1
- · Replies 5 ·
What is the moment of inertia of the flywheel?
- bikeeich
- · Replies 4 ·
EM , magnetic field at centre of a carrying circular loop
- binbagsss
- · Replies 6 ·
[Statistical Physics] Probability of finding # photons in the mode
- Flucky
- · Replies 7 ·
Spin Angular Momentum - Bullet hitting bottom of a thin rod?
- mintsnapple
- · Replies 1 ·
Find Current at Point T in Circuit
- nikolafmf
- · Replies 4 ·
Convert Joules to Calories - 1 cal = 4.184 J
- olop4444
- · Replies 2 ·
Magnetic field halfway between inner and outer edges of toroid
- swashbuckler77
- · Replies 2 ·
Finding the Normal Force on the Rod of a Paper Roll
- student34
- · Replies 9 ·
Calculating lattice spacing of silver from density
- Yosty22
- · Replies 1 ·
What is the role of torque in rotational motion?
- eterna
- · Replies 5 ·
Newton's first law and projectiles questions
- emma934
- · Replies 1 ·
Negative sign in voltage equation
- baby_1
- · Replies 1 ·