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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What is the maximum speed for a fairground roundabout with a 20º angle limit?
- mucky
- · Replies 4 ·
Momentum of pendulum after hitting it with bullet
- princesspriya
- · Replies 17 ·
Solve Water Refraction: Length of Stick's Shadow
- ttiger2k7
- · Replies 1 ·
Vertical spring - elevator question
- Volcano
- · Replies 10 ·
Pressure/Introductory Thermodynamics
- JamesL
- · Replies 2 ·
What Is the Oscillation Period of a Rod Attached to a Spring?
- bcjochim07
- · Replies 1 ·
Restoring Force- any suggestions?
- bcjochim07
- · Replies 1 ·
What is the condition for destructive interference in thin films?
- premed
- · Replies 3 ·
Voltage drop across emitter resistor in NPN transistor
- sanado
- · Replies 1 ·
Capacitor with a conducting core
- sonrie
- · Replies 4 ·
What is the Spring Constant of a DNA Molecule?
- manutd84
- · Replies 2 ·
How to Calculate Required Rocket Force for a Spinning Satellite
- caner_cem
- · Replies 15 ·
How high can an object jump with stronger gravity?
- jacksonbobby5
- · Replies 2 ·
Deceleration velocity and position over 10 intervertebral discs
- S_I
- · Replies 5 ·
Tension of strings in an elevator
- sodaMay
- · Replies 1 ·
Acceleration and Velocity differential equations
- prezmoneymike
- · Replies 14 ·
Solve Velocity 2D Question: Find Initial Velocity
- s4116792
- · Replies 1 ·
Electric and gravitational force on a styrofoam peanut in a Van de Graaff field
- manutd84
- · Replies 1 ·
Period Calculation for Physical Pendulum
- aam11
- · Replies 1 ·
Inertia, Gravitational Potential Energy
- jaredmt
- · Replies 3 ·
Calculating Time, Velocity, and Height in a Kinematics/Collision Problem
- chaspc
- · Replies 4 ·
What is the tension force acting on the block?
- teatime
- · Replies 1 ·
Finding electric field and force when acceleration is 1e18 m/s²
- apalmer3
- · Replies 1 ·
Conceptual: Reasonant Frequency
- BuBbLeS01
- · Replies 1 ·
Solving a Football Kicking Problem with PreCalc
- mandomansion
- · Replies 5 ·
Puzzle with Vectors-almost there
- mistymoon_38
- · Replies 7 ·
Conceptual question on induced EMF
- BuBbLeS01
- · Replies 1 ·
Determine max speed of point on string
- johnj7
- · Replies 2 ·
Charge distribution over different bodies
- manjuvenamma
- · Replies 2 ·
Grade 12 Physics Bomb explosion
- Shin-
- · Replies 4 ·
Two difficult problems any hints?
- bcjochim07
- · Replies 18 ·
Electrostatics and electric charge and field
- chiurox
- · Replies 1 ·
How Close Do Two 100kg Spheres Hang When Suspended 1m Apart?
- bcjochim07
- · Replies 11 ·
Why Do Noble Gases Remain in a Gaseous State?
- gateman234
- · Replies 2 ·
What Is the Average Potential Difference in an AC Circuit?
- ttiger2k7
- · Replies 4 ·
Calculating Electrostatic Work: q1, q2, k, W
- HELLO11
- · Replies 3 ·
How Do Orbital Dynamics Affect Satellites with Different Masses and Distances?
- bcjochim07
- · Replies 3 ·
What is the slope of the ground in the landing zone?
- Cantworkit
- · Replies 1 ·
Calculating total charge in a styrofoam peanut with excess electrons
- manutd84
- · Replies 2 ·
Resistance of a odd shaped conductor
- jesuslovesu
- · Replies 4 ·
What Is the Sound Intensity Ratio Between a Rock Concert and a Jazz Fest?
- tbontom
- · Replies 3 ·
Finding car speed from crush energy in accident reconstruction
- Probie
- · Replies 4 ·
RecycleYourHomework.com as a physics learning resource
- ZellDincht100
- · Replies 2 ·
Magnetic field for parallel plate capacitor
- dorist84
- · Replies 6 ·
Time dilation: observer on spaceship measures 35 hours on Earth at 0.66c
- shigg927
- · Replies 14 ·
Formula for average of two velocities on same distance
- pc2-brazil
- · Replies 10 ·
Answer didnt check with back of book
- betyoudidntthink
- · Replies 2 ·
How Does a Cavity Inside a Charged Sphere Affect Electric Field Calculations?
- sonrie
- · Replies 3 ·
Moment of inertia of a rotating CD disk
- TA1068
- · Replies 4 ·
Proton in a changing magnetic field
- oh.rry21
- · Replies 17 ·
Why Use D'Alembert's Principle in Circular Motion Analysis?
- almirza
- · Replies 1 ·
Oscillation frequency of L-shaped object balanced on edge
- horsegirl09
- · Replies 10 ·
Inertia, frictionless pulley, and a weight
- jaredmt
- · Replies 3 ·
Thermodynamics (Carnot Engines)
- peaches1221
- · Replies 2 ·
Damped oscillator amplitude with different damping constants
- treverd
- · Replies 2 ·
How Can We Calculate the Work of a Projectile in Parabolic Motion?
- pc2-brazil
- · Replies 8 ·
How Do Solar Winds Affect Earth's Magnetic Field?
- kring_c14
- · Replies 1 ·
Current through a wire and electron deflection
- oh.rry21
- · Replies 3 ·
What Celsius Value of Absolute Zero Does the Calibration Yield?
- zcabral
- · Replies 1 ·
What are the dimensions of temperature at a particular instant?
- manjuvenamma
- · Replies 9 ·
What length slide whistle plays a note one octave higher?
- manda
- · Replies 8 ·
Finding Current Through Inductor via Kirchoff's Method
- Gear300
- · Replies 10 ·
Exponential growth and Richter scale intensity problems
- Tommis
- · Replies 8 ·
How Do Friction Forces Act on a Packing Case in a Moving Truck?
- DWill
- · Replies 1 ·
Why Is Static Friction Crucial for Safe Curves in Physics?
- joeseppe
- · Replies 10 ·
Questions about Objects and Light
- william87
- · Replies 2 ·
Nearsightedness and Plane Mirrors
- negatifzeo
- · Replies 2 ·
Toroids on graphics cards and some other circuits
- Gear300
- · Replies 4 ·
Radii of bright fringes in Newton's rings with a 2.6 m plano-convex lens
- snoweangel27
- · Replies 1 ·
Angular Rotation - Find Angular Velocity & Kinetic Energy Ratio
- Nanuven
- · Replies 1 ·
Decay in Energy in an RC circuit?
- oh.rry21
- · Replies 5 ·
How Does Glass Thickness Affect Color Interference?
- jjg
- · Replies 2 ·
What is the flux density at point p?
- Adventure123
- · Replies 1 ·
Sports car and truck coasting down 10 m hill with conservation of energy
- jacksonjw81
- · Replies 6 ·
Moment of Inertia of two small bars
- jaredmt
- · Replies 5 ·
Rolling Forces: Solved [SOLVED] Rolling Forces
- Nanuven
- · Replies 3 ·
How many miles could the car go with that energy?
- arod2812
- · Replies 4 ·
How Does Temperature Affect Tire Pressure?
- zcabral
- · Replies 4 ·
Electrostatistics charges and electric potential problem
- VanKwisH
- · Replies 1 ·
Rotating object: Finding Tension and Vtheta
- bjno8
- · Replies 2 ·
What is the displacement of the wrench?
- jeahomgrajan
- · Replies 1 ·
What is the frequence of radiation that the proton will absorb?
- xinlan
- · Replies 7 ·
How Fast Was the Bullet That Hit the Pendulum?
- candycooke
- · Replies 1 ·
Determining Speed of Toy at Top of Loop-the-Loop
- dranseth
- · Replies 2 ·
Calculating the Volume of a Bubble at Different Depths in the Sea
- zcabral
- · Replies 2 ·
Does Amp=0 imply that a wave has 0 speed?
- gerry73191
- · Replies 2 ·
Solve Snell's Law Problem: 2.1m Deep Pool
- negatifzeo
- · Replies 1 ·
What are the Thermodynamic Processes for a Monoatomic Ideal Gas?
- lesodk
- · Replies 7 ·
Calculating Break-Even Point of Muon-Catalyzed Fusion
- xinlan
- · Replies 5 ·
Proton released outside a decreasing magnetic field circle
- oh.rry21
- · Replies 7 ·
How does a star appear to move in the presence of an atmosphere?
- louie3006
- · Replies 1 ·
SHM - problem with static friction
- SillySylar
- · Replies 3 ·
Electric Field Strength charges
- BuBbLeS01
- · Replies 1 ·
Where is the electric field zero for +3.0 μC at x=0 and -7.0 μC at x=20 cm?
- BuBbLeS01
- · Replies 10 ·
How Do You Calculate Voltmeter Readings Across Multiple Points?
- nokia8650
- · Replies 9 ·
Solve Spring Compression Problem: Work & Energy Approach
- reklaws89
- · Replies 3 ·
How Far is Charge C from Charge A When the Force on It Is Zero?
- BuBbLeS01
- · Replies 3 ·
I need a few formula's- High School Physics on Work/Energy etc
- nicholz
- · Replies 1 ·
What type of wave is exhibited by amber waves of grain ?
- gerry73191
- · Replies 6 ·
Who is right - me or the book - work and kinetic energy
- Hemmelig
- · Replies 5 ·