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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Can a Thermometer Be Calibrated Without Using the Formula Provided?
- Demister
- · Replies 2 ·
Equivalent circuit for a battery.
- Yam
- · Replies 4 ·
Using nuclear shell model to determine parity and spin
- Flucky
- · Replies 4 ·
Finding cliff height from horizontal throw and fall time
- mykosfemme
- · Replies 13 ·
How Can You Create Standing Waves from a Given Transverse Wave Equation?
- Okazaki
- · Replies 8 ·
Can x=8sin2t+6cos2t be proven as S.H.M. using a second derivative?
- Cpt Qwark
- · Replies 3 ·
Finding time required via force equation
- shanepitts
- · Replies 5 ·
Find force required to move pole with static friction
- bkw2694
- · Replies 4 ·
Tension in vine as Tarzan swings past intercepting branch
- R_H_A
- · Replies 2 ·
Area under force vs displacement graph :D?
- DK_sam
- · Replies 2 ·
Conservation of Energy - Max height WITH Air resistance
- kornelijepetak
- · Replies 4 ·
Statics problem: man lowering himself from tree w/ friction
- bkw2694
- · Replies 4 ·
Statics Problem Tipping Refrigerator
- spacetimedude
- · Replies 6 ·
Object sliding into spring with friction on surface
- BrianSauce
- · Replies 6 ·
What forces would act upon any general egg drop device?
- Blobikins
- · Replies 2 ·
Moment of Inertia of a Disk and Pulley System
- ChiHawksFan
- · Replies 4 ·
Gauss Law for finite line/plate
- henry3369
- · Replies 8 ·
Forces in Two Dimensions: Net Force and Components
- copypacer
- · Replies 1 ·
How Is the Scale Factor R(t)/R(0) Calculated in Cosmology?
- mrjaffa
- · Replies 2 ·
What is the Width of the Antenna for Optimizing TV Reception on Channel 10?
- Okazaki
- · Replies 3 ·
Amplitude and Velocity of Component Waves
- Okazaki
- · Replies 5 ·
Velocity of neutron using uncertainty principle
- Avatrin
- · Replies 2 ·
Problem with signs in the Lorentz Transformation equations
- spaghetti3451
- · Replies 4 ·
Refrigerator- thermodynamics: how do i start?
- WoIfgang
- · Replies 1 ·
How Fast Is the Large Hoop's Center Moving When Aligned Vertically?
- Yoonique
- · Replies 3 ·
Focal length of convex lens with object at 49.4 cm and image at 70.5 cm
- JayFish231
- · Replies 2 ·
Time of a falling object when the force of gravity isn't constant
- Shahar
- · Replies 86 ·
How Do You Calculate the Efficiency of a Heat-Transfer Process?
- Dhooy7
- · Replies 2 ·
Does Acceleration Affect the Stability of an Atwood Machine in an Elevator?
- bananabandana
- · Replies 1 ·
Essay question about aerodynamics and projectiles in sports
- iamthememe
- · Replies 1 ·
Rotational motion-why are torques not in opposite directions
- Epiclightning
- · Replies 6 ·
Find the force function for a particle subject to a central
- Futurestar33
- · Replies 2 ·
A particle of mass m moves in a one dimensional potential
- AdityaDev
- · Replies 1 ·
Double Slit Diffraction:Finding Greatest Angle for Minimum
- Zach Hughes
- · Replies 1 ·
Kinetic, total, and binding energy of a 100kg satellite at 620km altitude
- Vlad137
- · Replies 1 ·
How Much Energy Does a Gamma Particle Have After Electron-Positron Annihilation?
- Ethan_Tab
- · Replies 1 ·
Finding spring constant and energy in oscillating mass system
- supahhclayron
- · Replies 11 ·
Relative weights in air and water
- ScifiGen
- · Replies 4 ·
Difference between kinetic friction and static friction
- *.*.*AnUm*.*.*
- · Replies 12 ·
Newtons' Second Law with Kinetic Friction Problem
- SpacemanRich
- · Replies 18 ·
Checking kirchhoff's laws and magnetic induction problems
- Dhooy7
- · Replies 20 ·
Finding the phase of a particle in SHM at a specific time
- Chrisemo
- · Replies 2 ·
Why does the magnetic flux change if the loop area stays the same?
- ZARATHUSTRA
- · Replies 12 ·
Scalar triple product invariance under circular shift proof
- pastoreerrante
- · Replies 3 ·
Gravitational Potential of Hanging Cord
- NotZakalwe
- · Replies 3 ·
Pressure of a fluid contained in a steel container
- squelch
- · Replies 7 ·
Equilibrium Process for Calculating Tension in a Tight-Rope Walker's Wire
- barbiegirl42
- · Replies 10 ·
Electric field at the origin of a quarter-circle
- henry3369
- · Replies 5 ·
How to find the total acceleration (magnitude and direction) of a rotating disk?
- Physicsnoob90
- · Replies 1 ·
A wheel rolling on a horizontal flat or inclined surface
- Yam
- · Replies 13 ·
Gauss' Law: Calculating charge enclosed
- henry3369
- · Replies 1 ·
Initial and Final Energy problem
- YamiBustamante
- · Replies 1 ·
Need to sketch the potential energy of the spring system
- Louverson
- · Replies 1 ·
Power Factor of an L-C-R curcuit
- whitejac
- · Replies 10 ·
How to Solve a Basic Sliding Box Problem on a Frictionless Ramp?
- Brendan Webb
- · Replies 3 ·
The moment of inertia for one spoke+ball would be 0.92kg*m^2.
- Westin
- · Replies 6 ·
The acceleration may be related to the distance travelled?
- Gizmo91
- · Replies 11 ·
Finding net resistance between specific points in a resistor network
- Angie K.
- · Replies 28 ·
Difference between Tangential and CoM acceleration
- prettydumbguy
- · Replies 10 ·
Parallel and Series circuits and current
- motyapa
- · Replies 3 ·
Path of an object at the vertex of an equilateral triangle
- chaoseverlasting
- · Replies 10 ·
Factors affecting drift velocity?
- LotusTK
- · Replies 6 ·
Calculating the E-Field inside and outside a sphere.
- Alex_Neof
- · Replies 9 ·
Longitudinal Wave Equation from Transverse One
- bananabandana
- · Replies 1 ·
Finding maximum of a wavefunction?
- smileandbehappy
- · Replies 3 ·
Concept of Moment of Inertia and its limits of integration
- Yam
- · Replies 4 ·
Transformation from Body-frame to ECEF-frame
- Kuu
- · Replies 3 ·
Thermodynamics First Law Question
- BoanviaFx
- · Replies 4 ·
Fluids, mass of object floating over oil above water
- Xenon
- · Replies 10 ·
Speed of wind and speed with respect to wind
- Astraithious
- · Replies 4 ·
What is the acceleration and tension in this inclined pulley system?
- Brynhildur
- · Replies 7 ·
Addition of Velocities Special Relativity Problem
- Jared Austin
- · Replies 3 ·
Watts accelerating mass in a frictionless environment
- jFlower
- · Replies 19 ·
How to determine rectangular and polar radii of gyration?
- sagarbhathwar
- · Replies 3 ·
What's in the center (at r=0) of the sun?
- elif
- · Replies 16 ·
Heat Exchange and Efficiency in a Fridge
- C.Orio
- · Replies 10 ·
How Do You Calculate Net Resistance in a Triangular Network?
- GoldWing
- · Replies 1 ·
Difference between frame of reference and coordinate system?
- toesockshoe
- · Replies 8 ·
Resistance between two junctions in a 2D mesh
- AdityaDev
- · Replies 2 ·
Constant power, resistance, work, energy
- Demonfruzz
- · Replies 18 ·
How do electrons know that there are other resistors?
- matilda
- · Replies 1 ·
Total potential difference of an electron
- Dancing_Queen
- · Replies 5 ·
What are the units of Lz and L^2?
- smileandbehappy
- · Replies 2 ·
Simple classical physics inquiry
- shanepitts
- · Replies 1 ·
Average shear rate of of particle sureface
- hizen_14
- · Replies 12 ·
Absolute pressure, buoyant force, tension problem
- jenn91890
- · Replies 5 ·
Converting Matter to Power: Calculating Mass for 3200W of Energy for 3 Days
- Ethan_Tab
- · Replies 2 ·
Finding I1, I2, I3 with Kirchhoff's laws and 2.48Ω internal resistance
- Angie K.
- · Replies 10 ·
What is the Relationship between Arc Length and Angle Phi on a Helix?
- sitzpillow
- · Replies 2 ·
Magnetic interaction between moving and stationary charge
- whatisreality
- · Replies 1 ·
What Is the Oscillation Frequency of a Weight Hung on a Spring?
- goonking
- · Replies 28 ·
Direction of Electric Field in an Electromagnetic Wave
- spaghetti3451
- · Replies 4 ·
Conceptual question about torque
- prettydumbguy
- · Replies 18 ·
Thermodynamics - Calculating Work/Heat, Piston/Cylinder
- gphsuvat
- · Replies 3 ·
How Do You Calculate Electrostatic Potential in a Decaying Electric Field?
- Alex_Neof
- · Replies 7 ·
Euler's Method and Planetary Motion
- antintheagora
- · Replies 1 ·
How Does Electric Force Affect Acceleration in Charged Objects?
- HaLAA
- · Replies 6 ·
Angular Velocity and Acceleration for Elevator Mechanism
- YamiBustamante
- · Replies 4 ·
Bandwidth Theorem: Find Min Angular Freq in Propagating Wavepacket
- bananabandana
- · Replies 5 ·