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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How to analyze a complex circuit
- david12445
- · Replies 4 ·
What Are the Dynamics of Two Objects in Motion with No Friction?
- bubblewrap
- · Replies 7 ·
Sensitivity of a thermocouple from thermometric function
- Kavorka
- · Replies 1 ·
How much force is used to pull the block?
- Dillion
- · Replies 21 ·
Spacelike separation. Finding a specific frame.
- Furbishkov
- · Replies 10 ·
Time period for a Simple Harmonic Oscillator to go from 0-1m
- Ethan Godden
- · Replies 2 ·
Resistance between two points in nested squares circuit
- Potatochip911
- · Replies 6 ·
Mousetrap car: checking calculations for speed, acceleration, and energy
- Tnguyen33
- · Replies 2 ·
Relationship between density and probability in diffusion
- It's me
- · Replies 6 ·
Finding dipole moment / Electric Field Problem
- puggleboy
- · Replies 14 ·
How do I find the tension in a cable in an elevator cab?
- Eclair_de_XII
- · Replies 4 ·
Time it takes for block to slide down an incline in elevator
- FruitNinja
- · Replies 13 ·
Plane wave in cartesian coordinates
- nmsurobert
- · Replies 12 ·
How much force and energy for moving a frictionless object
- 5P@N
- · Replies 5 ·
Calculate time for water to leak completely
- Sewager
- · Replies 7 ·
Can the angular wave number(k) or frequency(w) be negative?
- Ethan Godden
- · Replies 5 ·
How Can Work Be Negative on a Capacitor?
- Matt O
- · Replies 7 ·
What is the electric potential at the center of a charged half-circular washer?
- annastewert
- · Replies 5 ·
Find an expression for magnetic flux and calculate
- Matt3175
- · Replies 4 ·
Acceleration in a non inertial reference frame
- bznm
- · Replies 20 ·
How long does it take for a rocket to lift off the ground?
- Tj Nelson
- · Replies 7 ·
Truck speed from convex mirror image approach rate
- kent davidge
- · Replies 7 ·
Average force on a 75g ball bouncing from floor
- master_333
- · Replies 8 ·
Finding Voltage graph from current graph of capacitor
- david12445
- · Replies 8 ·
Find voltages across resistors using voltage division
- Marcin H
- · Replies 32 ·
2D Elastic Collision Using Conservation of Momentum
- Dan K
- · Replies 2 ·
Effective Voltage Calculation for Inductance Problem
- crom1
- · Replies 5 ·
Can a Phase Constant Be Determined from Given Oscillation Data?
- SkinlessSpore
- · Replies 2 ·
Average Velocity for a Runner Running Half a Lap
- in the rye
- · Replies 2 ·
Power and current in car electrical circuits
- C0balt
- · Replies 1 ·
What is the final temperature of the mixture?
- Byeongok
- · Replies 2 ·
How do I apply equations to this problem?
- OmniNewton
- · Replies 15 ·
How do i know what a function describe a wave?
- Darly
- · Replies 2 ·
Depth and pressure in a submarine
- BubblesAreUs
- · Replies 3 ·
Find the distance traveled by a block pushed up a slope.
- Eclair_de_XII
- · Replies 10 ·
Balancing Electric and Gravitational Forces Between Two Objects
- DubbzWubbz
- · Replies 23 ·
What does dv/dt = -g mean for free fall velocity?
- RJLiberator
- · Replies 6 ·
How do I compute electric flux through a half-cylinder
- micro435
- · Replies 1 ·
Pulley problem with incline plane
- putongren
- · Replies 4 ·
Finding Thevenin equivalent and I-V graph for a circuit
- Marcin H
- · Replies 7 ·
Determine the angular speed theta_dot
- CGI
- · Replies 17 ·
Difference between ΔU, (∂U/∂T)v and dU in thermodynamics
- ybhathena
- · Replies 8 ·
Finding the equation of motion of an oscillator
- AntoineCompagnie
- · Replies 5 ·
Applying Dimensional Analysis to correct the equation
- Byeongok
- · Replies 8 ·
Radiation Rate of 0.1m Cube Metal at 200C
- Kyle North
- · Replies 3 ·
Two capacitors with opposite polarity connected in series
- Ajay.makhecha
- · Replies 4 ·
Finding values of constant by using Dimensional Analysis
- Byeongok
- · Replies 1 ·
Value of frictional force applied
- Priyadarshini
- · Replies 13 ·
Significant figures when converting minutes to hours
- Jam51
- · Replies 6 ·
Finding eigenvalue energy between two spheres
- morteza65
- · Replies 1 ·
How Do You Simplify Dimensional Analysis Equations?
- Byeongok
- · Replies 2 ·
Can the Sigma Be Removed from the Normalization Equation for a Wavefunction?
- zahra95
- · Replies 5 ·
Gradients and linear transport
- cheddar87
- · Replies 3 ·
How Do You Sum the Components of Vectors in Three Dimensions?
- JVeazie
- · Replies 1 ·
Steam engine internal energy with phase change
- sonpat
- · Replies 4 ·
How to transform equation 3-20 to equation 3-22a for center of pressure
- goldfish9776
- · Replies 7 ·
Stationary waves - why same amplitude etc?
- MBBphys
- · Replies 3 ·
Waves high school question -- Book answers are totally rubbish
- Barclay
- · Replies 61 ·
How melting polar ice affects Earth's rotation
- Banker
- · Replies 11 ·
Why does a moving object gain energy?
- ppppparker
- · Replies 7 ·
Why Are Different Distances Used in Fluid Dynamics Calculations?
- goldfish9776
- · Replies 7 ·
What is the Frictional Coefficient for this Homework Statement?
- Priyadarshini
- · Replies 13 ·
Circular Motion and resultant force
- Priyadarshini
- · Replies 6 ·
Accelerating Masses: Solving for Acceleration using m1, m2, and g"
- Priyadarshini
- · Replies 5 ·
Understanding Norton Current and Impedance in Point A to B Circuit
- crom1
- · Replies 11 ·
What Is the Kinetic Energy of a Proton at 1/4 the Speed of Light?
- FlorenceC
- · Replies 3 ·
What Is the Maximum Power on an Impedance Z?
- crom1
- · Replies 7 ·
How Does Energy Conservation Apply in a Pendulum-Object Collision?
- Cathr
- · Replies 5 ·
Calculating the magnitude of two vectors
- UnD3R0aTh
- · Replies 48 ·
Basic Forces Question from 9th grader - Hard to put in words
- Rod Alexei
- · Replies 14 ·
Why does the bolt have initial velocity -2 m/s in the elevator problem?
- Prathamesh
- · Replies 6 ·
Final speed of golf ball in projectile motion with 66 ft/s launch
- Daniel Dubois
- · Replies 2 ·
Linear Momentum and Acceleration
- XSethX
- · Replies 2 ·
AP Physics Problem Set: Pole Vault Event & Calculating Energy Transfer
- master_333
- · Replies 1 ·
Box attached to end of a string, what is the max velocity?
- DeathEater
- · Replies 1 ·
Why is the Junction Rule not applying in my circuit?
- vetgirl1990
- · Replies 10 ·
Lab investigating angle of descent and velocity help
- maturk
- · Replies 2 ·
Equivalent capacitance of circuit
- vetgirl1990
- · Replies 12 ·
How do electrons exhibit wave behavior in atomic orbitals?
- Parveen
- · Replies 3 ·
How Thick Should the Concrete Foundation Be to Counteract Buoyancy Underwater?
- ahmed2810
- · Replies 4 ·
A particle in Electric and Magnetic field
- Abdul.119
- · Replies 6 ·
Measuring electromagnet field strength with a compass and paperclip
- Ave V
- · Replies 3 ·
How Do You Calculate the Electric Field of a Nonuniformly Charged Rod?
- mattbeatlefreak
- · Replies 7 ·
Find Current in 3-Phase System Using Millman's Theorem?
- crom1
- · Replies 6 ·
Sledding Down a Hill - Speed Calculation
- DeldotB
- · Replies 5 ·
Inertia tensor combination point mass-sphere
- lilphy
- · Replies 10 ·
Maximum power on resistor R using Thevenin theorem
- crom1
- · Replies 6 ·
What is the Frictional Force Acting on a Block on a Rough Incline Plane?
- Priyadarshini
- · Replies 11 ·
Conservation of momentum and nuclear decay (Gr 12 Physics)
- krbs
- · Replies 1 ·
Determine the change in path length
- Matthew M
- · Replies 2 ·
Angular distance in globular clusters
- June_cosmo
- · Replies 10 ·
What do φ and θ represent in Lφ=rθ?
- Suraj M
- · Replies 14 ·
Constructive interference from two radio antennas at 120 MHz
- toesockshoe
- · Replies 17 ·
Fluid Velocity from a Pipe onto an Inclined Plane
- kartmaze
- · Replies 2 ·
What is the Charge on the Farther Half of the Rod?
- JinYoung
- · Replies 1 ·
Why Does the Force Between Two Charged Objects Change After Contact?
- xxchickapooxx
- · Replies 9 ·
Relative Velocity: Riverboat and Canoe
- Prof. 27
- · Replies 1 ·
What Is the Force Exerted by the Top Link on the Middle Link?
- Prof. 27
- · Replies 7 ·
Sin(Theta) or Cos(Theta) for Ramp problem
- Yousufshad
- · Replies 1 ·
Find out the speed of an object
- wapleman
- · Replies 3 ·