Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
How does water vapour affect Charles' law results in a freezer experiment?
- Myr73
- · Replies 3 ·
Kirchoff's rules and capacitors
- BOAS
- · Replies 3 ·
How Is the Total Number of Charge Carriers in a Conductor Calculated?
- manimaran1605
- · Replies 2 ·
What is the 30° angle used for in electromagnetic induction?
- cuongbui1702
- · Replies 2 ·
No Work Done on a Textbook: Explanation of Concept
- Hockey101
- · Replies 5 ·
Dipole moment of quadrupole charge distribution on a ring
- ks_wann
- · Replies 6 ·
The period for small oscillations of a system
- zeralda21
- · Replies 6 ·
Kinematics Questions: Acceleration, Velocity, and the Speed of Light
- Physicsrapper
- · Replies 2 ·
Capacitor Energy with a Dielectric
- JMaria
- · Replies 5 ·
Motion of a Particle in a Plane: A Quiz
- lobbob
- · Replies 3 ·
Parallel Plate Capacitor and Battery
- tristanm
- · Replies 3 ·
Electric Fields of Cylinders and Cylindrical Shells
- tristanm
- · Replies 4 ·
Work done by force with angled pulley system
- Coop
- · Replies 6 ·
Dimensional Analysis Problem: Mass of the Solar System Excluding Planets and Sun
- HSuzuki
- · Replies 1 ·
Need Help w/ Massachusetts Physics Standards
- cmkluza
- · Replies 3 ·
Why is EMF equal to Bvl when velocity is not constant?
- cuongbui1702
- · Replies 2 ·
Boat recoiling after firing 75 bullets at 600 m/s
- BrainMan
- · Replies 5 ·
Conservation of momentum uranium atom problem
- BrainMan
- · Replies 18 ·
Why negligible vibration in diatomic gas heat capacity
- HemaZ
- · Replies 4 ·
Calculating pipe diameter for half-flow condition/mannings equation
- kachi
- · Replies 2 ·
Is Gravity Involved in the Motion of a Pendulum After a Collision?
- Maxo
- · Replies 4 ·
Understanding Torque for car rollover
- Maxo
- · Replies 4 ·
Electric field in and around an infinite sheet of charge.
- morangta
- · Replies 7 ·
Poisson distribution (radioactive decay)
- steamyoshi
- · Replies 5 ·
Refraction and Magnification of a Coin in a Glass Cylinder
- Speedking96
- · Replies 5 ·
Velocity of uniform circular motion
- Govind_Balaji
- · Replies 17 ·
Need free program to plot expressions in polar coordinates
- morangta
- · Replies 1 ·
Should I use 10log or 20log for electric field in decibels?
- tamtam402
- · Replies 2 ·
How does pressure energy influence fluid flow in a tube with varying heights?
- manimaran1605
- · Replies 1 ·
Finding Vout/Vin of an RL filter
- stude
- · Replies 9 ·
Find maximum velocity in Acceleration-Time Graph
- Govind_Balaji
- · Replies 4 ·
What is the Solution to a Perfectly Inelastic Collision Problem?
- BrainMan
- · Replies 2 ·
Phase difference of damped oscillations
- kelvin macks
- · Replies 2 ·
Induced voltage in rectangular loop
- beborche
- · Replies 5 ·
Q vs q in Coulomb's Law: Understanding Notation for Charges
- ChiralWaltz
- · Replies 2 ·
Why isn't the phase difference pi/2 in part ii?
- kelvin macks
- · Replies 5 ·
Which Material Exerts Greater Impulse When Jumping Off a Dock?
- Maxo
- · Replies 1 ·
How Do I Calculate the Coefficient of Friction in a Ramp Experiment?
- HappyScientist
- · Replies 3 ·
Oscillatory motion? Does this spring have to do with oscillatory motio
- boii
- · Replies 6 ·
Finding initial wavelength of photo given angle of deflection
- negation
- · Replies 3 ·
Understanding Work and Energy in a Trampoline Jump
- Maxo
- · Replies 9 ·
I'm trying to simulate moon orbit around earth, my moon is broken.
- xzbobzx
- · Replies 33 ·
Static Equilibrium with a beam and cable
- Juniper7
- · Replies 5 ·
Maximum diffraction order for periodic slit array
- Flucky
- · Replies 2 ·
Find the mean number density of particles in the stellar atmosphere.
- Jon.G
- · Replies 2 ·
Capacitor circuit for energy-harvesting shoe prototype
- jufo2014
- · Replies 6 ·
Velocity of train if it passes 2km bridge in 110sec and a point in 10s
- Govind_Balaji
- · Replies 8 ·
Static Equilibrium and tension of cables
- Juniper7
- · Replies 7 ·
Constant Breaking force for roller coaster
- rexorsist
- · Replies 7 ·
Angular acceleration and speed of falling rod pivoted at base
- Juniper7
- · Replies 9 ·
Electromagnetics density of Toroid
- baby_1
- · Replies 4 ·
Solving Second Order Nonhomogeneous DEs with Initial Conditions
- Plaetean
- · Replies 9 ·
Rotational Energy/Speed of a System?
- Juniper7
- · Replies 8 ·
Torque and Newton third's law applied to rotatory motion.
- Bedeirnur
- · Replies 6 ·
Does induction lose electrons or gain them?
- cuongbui1702
- · Replies 1 ·
Force between two boxes pushed across a frictionless surface
- Maxo
- · Replies 19 ·
Behavior of the air when the angle of attack increases
- Reveille
- · Replies 3 ·
Collision of thermal neutrons and Cobalt
- skrat
- · Replies 5 ·
What is the relationship between current and voltage in an inductive load?
- MarcL
- · Replies 9 ·
Force and acceleration on sodium atom if laser bundle shines on atom
- jennyjones
- · Replies 3 ·
Could someone look over the data of my SHM Lab?
- jessigchse
- · Replies 1 ·
Question in dynamics projectile motion
- abdo99
- · Replies 3 ·
Finding current and voltages in an RLC series circuit
- MarcL
- · Replies 16 ·
LCR circuit oscillatory current with L<4CR²
- albega
- · Replies 18 ·
Area of a Triangle Using Vectors.
- smakhtar
- · Replies 19 ·
Points close to the source not behaving like inverse-square
- steamyoshi
- · Replies 8 ·
Find Potential Difference Across AB: Capacitance Problem Solved
- rajumahtora
- · Replies 4 ·
Calculating Power Dissipation in a Thin Conducting Disc with Induced Currents
- fayled
- · Replies 13 ·
What is the solar constant in certain area of earth per day?
- viniterranova
- · Replies 9 ·
Calculating average force - momentum problem
- AgentRedfield
- · Replies 1 ·
Free-body diagrams and equilibrium for two-point string system
- Sullivan
- · Replies 7 ·
Rearranging capacitor charge/discharge equation
- Hassss
- · Replies 16 ·
How Do You Calculate θ_dot in Polar Coordinates?
- ma18
- · Replies 3 ·
Special Relativity: Rocket Signal Reception Time and Frequency Shift
- physiks
- · Replies 5 ·
Neutrons scattering on Silver plate
- skrat
- · Replies 7 ·
Electron momentum uncertainty with 10^-15m position uncertainty
- BOAS
- · Replies 2 ·
What is the amount of work done in moving the box from the bottom to t
- TheLetterDex
- · Replies 3 ·
Acceleration at constant velocity?
- ma18
- · Replies 1 ·
Simple Calculation of Astronomical Unit Problem
- unscientific
- · Replies 2 ·
Which Rope Sustains Greater Tension: Tree or Tug-of-War?
- Maxo
- · Replies 2 ·
Jumping box with a spring and mass inside
- Zeor137
- · Replies 2 ·
Plank on sawhorses: why is the center of gravity not at the plank's center?
- TheRedDevil18
- · Replies 5 ·
Modeling the Motion of a Car Against Constant Frictional Resistance
- grae
- · Replies 6 ·
Hooke's law and circular motion.
- negation
- · Replies 36 ·
Power supplied holding a mass suspended in air
- piisexactly3
- · Replies 3 ·
Transformers and inverse square law
- adjacent
- · Replies 11 ·
Shoot the moon - differential equation for motion in earth - moon syst
- visio
- · Replies 4 ·
Ball dropped 30 m rebounds with half velocity: momentum and impulse to Earth
- BrainMan
- · Replies 3 ·
Solve Induction Slider Homework: Find AB Voltage & Current
- fayled
- · Replies 12 ·
What was the angle of deflection?
- Ale_keys
- · Replies 1 ·
Differential form of Gauss' theorem with dielectrics
- Ocirne94
- · Replies 8 ·
Speed of a rocket using energy methods
- BrainMan
- · Replies 11 ·
Which slide will have a higher speed at the end of the slide?
- alingy1
- · Replies 5 ·
Rotational Dynamics and string Tension
- Juniper7
- · Replies 2 ·
Max Shortening of Spring for Elastic Collision 3
- Karol
- · Replies 9 ·
Load Voltage Problem - Find the Fault!
- alexmath
- · Replies 2 ·
Calculating Power: Answer to Quads @ 180 deg/s
- PepperABLF12
- · Replies 3 ·
Linear velocity of foot from angular velocity at knee joint
- PepperABLF12
- · Replies 3 ·
Cube tipping on horizontal surface
- raving_lunatic
- · Replies 3 ·