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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Simple Pendulum Amplitude and Frequency Changes Due to Mass Variation
- fizz-eek!
- · Replies 5 ·
Who's Right About Electrostatic Force Data?
- kahwawashay1
- · Replies 7 ·
Area under acceleration-time graph?
- tahayassen
- · Replies 4 ·
Solving for Acceleration in an Emergency Braking Exercise: Kinematics Problem
- tahayassen
- · Replies 3 ·
Starting point in linear motion problem
- looptwelve
- · Replies 5 ·
Acceleration in Two Dimensions of watercraft
- chudzoik
- · Replies 5 ·
Kepler's 3rd Law vs. Newton's second for Satellite
- AdkinsJr
- · Replies 8 ·
Conducting Sphere: Uniform vs. Non-Uniform | Gauss's Law
- Cisneros778
- · Replies 3 ·
To find out the frequency of AC mains using a sonometer
- Samar99
- · Replies 1 ·
What Height Must a Jet Begin a Quarter Turn to Avoid Exceeding 5g Acceleration?
- jcumby
- · Replies 9 ·
Force on object located between two liquids
- songoku
- · Replies 10 ·
Electric potential and conservations of energy
- maiad
- · Replies 20 ·
Sound of overhead plane is heard in the distance
- jamiewilliams
- · Replies 6 ·
Impulse & Momentum: Solving Homework Problem
- duperduperman
- · Replies 1 ·
Doppler Effect Stationary Source/Observer on a Spring
- jamiewilliams
- · Replies 4 ·
Time to Hit the Ground for Thrown Rock?
- rpgnick85
- · Replies 5 ·
Length Contraction: Solving for L
- Herricane
- · Replies 4 ·
Tennis Player Tosses A Tennis Ball Straight Up
- 503gurl
- · Replies 11 ·
Calculate volume and surface area of a boiler
- scientist
- · Replies 1 ·
Length of Pendulum Homework: Find String Length
- cupcakequeen
- · Replies 4 ·
How Do You Calculate the Final Temperature of Ice Tea Mixing Hot Water and Ice?
- Herbertus
- · Replies 1 ·
Find the distance between objects and sound source
- jamiewilliams
- · Replies 2 ·
Electric field inside a solid conducting sphere carrying charge q.
- theBEAST
- · Replies 2 ·
Vectors: x/y components, magnitude, and angle direction
- matt72lsu
- · Replies 12 ·
Advantages of Electron Scattering over Alpha-Particle Scattering?
- Ryomega
- · Replies 7 ·
Finding Electric Field at point P
- DrunkApple
- · Replies 3 ·
What angle will make the resultant of three forces vertical? [with picture]
- SUCRALOSE
- · Replies 5 ·
Recoil hydrogen emitting photon
- Al X
- · Replies 1 ·
Critically Damped Oscillator Spring Constant and Damping Parameter
- JordanGo
- · Replies 8 ·
Which Power Plant Emits More Heat: Nuclear or Fossil Fuel?
- ChunkymonkeyI
- · Replies 1 ·
Why Is My Kinetic Energy Calculation Incorrect?
- DPXJube
- · Replies 2 ·
Solving 10.0km + 5.0km [E15S] with Cos and Sin Laws
- rayj098
- · Replies 11 ·
Center of Mass Movement in Work Integration
- Jet1045
- · Replies 1 ·
Electrostatics problem: solve for where E=0 given a configuration of charges
- GravitatisVis
- · Replies 5 ·
How Do You Calculate Forces in a Modified Atwood Machine?
- Prosercunus
- · Replies 1 ·
Two charges are placed at the corners of a square
- remchu123
- · Replies 4 ·
*SIMPLE slope question on graphic - Units?
- nukeman
- · Replies 3 ·
Conservation of Momentum Problem
- jli10
- · Replies 4 ·
Understanding Impulsive & Non-Impulsive Forces in Linear Momentum
- tj00343
- · Replies 1 ·
Solving for Maximum Speed on a Theme Park Ride: Phys Unit 4 - Swings Question 6
- jsmith613
- · Replies 11 ·
What is the Nature of Force in Newton's Second Law?
- godingly
- · Replies 5 ·
[Gauss' Law] Hollow insulating sphere?
- GeorgeCostanz
- · Replies 2 ·
Calculating Electric Field Intensity at (0, 0, z)
- technicolour1
- · Replies 1 ·
Two charged beads and maximum velocity.
- Szechuan
- · Replies 28 ·
Magnitude of Displacement problem
- KrissyFivee
- · Replies 3 ·
Calculating Volume of Oleic Acid in Mixture Using Dilution Method
- ibysaiyan
- · Replies 13 ·
Finding an electric field on a disk using surface charge density
- gretchin
- · Replies 1 ·
Design an Egg Drop Capsule for Physics Class
- katie_94
- · Replies 1 ·
What is the acceleration of a particle moving along a parabolic path?
- greenpeace16
- · Replies 8 ·
Gravitational Fields and Density.
- FlyingSpartan
- · Replies 2 ·
Change guitar string tension given two frequencies
- Sethius
- · Replies 12 ·
Determine the rate of emission of quanta from the station
- queenstudy
- · Replies 5 ·
Voltage-current equation of Thevenin circuit
- ali297
- · Replies 1 ·
Determining Charge on Insulated Balls in Equilibrium
- jesse james
- · Replies 8 ·
Euclidean vectors math to find coordinates for vector
- mimi.janson
- · Replies 2 ·
A pile driven into ground using a hammer question
- paul9619
- · Replies 10 ·
Calculate the torque of a hinge in a dam
- tinsel89
- · Replies 1 ·
Problem with Friction dependent on velocity, mostly a math problem.
- Simen
- · Replies 3 ·
Calculate the mass of steam condensed
- Cervelo
- · Replies 1 ·
Constant Acceleration of jogging Problem
- JRangel42
- · Replies 3 ·
Finding the magnitude of the nearest peak and period
- apbuiii
- · Replies 3 ·
Calculate Image Diameter of Sun in Concave Mirror with Given θ and f
- vkash
- · Replies 4 ·
Finding how much heat it takes to vaporize
- Skysong12
- · Replies 3 ·
New to physics have a couple questions
- zellx2004
- · Replies 7 ·
Height of water level in an open ended fully submerged can
- gradientspark
- · Replies 5 ·
Calculation of variation of entropy knowing state's equation
- Tosh5457
- · Replies 4 ·
Formula for the Electric Field Due to Continuous Charge Distribution
- prosteve037
- · Replies 3 ·
How Does Metabolic Rate Affect Workout Efficiency?
- smashbrohamme
- · Replies 1 ·
Calculating Range of a Cannon at an Angle
- jli10
- · Replies 3 ·
Does work increase if q increases?
- rh23
- · Replies 2 ·
Hooke's Law: Spring, Distance and Time
- kgal
- · Replies 4 ·
Finding out applied force in order to get acceleration
- DPXJube
- · Replies 4 ·
Finding Cosine of an Angle in 3D space
- hunt3rshadow
- · Replies 9 ·
Finding the coefficient of kinetic friction of bricks
- Skysong12
- · Replies 2 ·
COP refrigerator vs COP Heat Pump
- ChunkymonkeyI
- · Replies 2 ·
Where Am I Going Wrong in Solving Repulsive Charges Problem?
- Dr. S
- · Replies 5 ·
What is the Angular Speed After Collision?
- sparkle123
- · Replies 4 ·
What is the charge on a circular disc with a varying charge density?
- technicolour1
- · Replies 2 ·
Buoyant Force of sand and steel
- Killswitch
- · Replies 4 ·
Connection between potential difference and velocity?
- mirandab17
- · Replies 3 ·
At what angle will two pendulums collide?
- quebecois22
- · Replies 26 ·
Understanding Electric Potential: How Does Charge Density Affect Potential?
- SchruteBucks
- · Replies 4 ·
E & M, E-potential and energy due to charged plate/ rod with infinite length
- maiad
- · Replies 6 ·
Calculating Power Transmitted in a String
- asz304
- · Replies 1 ·
Magnitude and angle counterclockwise from the + x direction
- bearbratz
- · Replies 2 ·
Acceleration on an incline with friction
- luftey
- · Replies 2 ·
Speed of Waves: Solving a Boating Problem
- Johnn17
- · Replies 6 ·
Calculate Fb for 3 Forces on a Ring with Mass 100kg and Accelerating .5m/s2
- zaper
- · Replies 12 ·
What Is the Acceleration of a Marble Propelled by a Compressed Spring?
- piggyxchu
- · Replies 14 ·
What is the unknown air resistance co-efficient of the balloon?
- luigihs
- · Replies 5 ·
"Zero Displacement at Time t=? - Solve for t
- DrunkEngineer
- · Replies 5 ·
Does a Changing Electric Field Create a Magnetic Field?
- bb.minhtri
- · Replies 4 ·
Why do some people say that Newton's Second law is the real Law of Motion?
- Rakinniya
- · Replies 35 ·
What is the tension in strand 4 of a spiderweb supported by four main strands?
- steven1495
- · Replies 5 ·
Kinetic Energy Question: How to Calculate KE on a Moving Train | Homework Help
- engineer21394
- · Replies 7 ·
Q: Finding Resultant Forces with Unknown Magnitude and Angle
- rpgnick85
- · Replies 9 ·
Solve Curvilinear Motion Homework: Car Dropped from 110 ft/s in 3 secs
- mathmannn
- · Replies 6 ·
How to Calculate Shunt Resistance for Converting a Galvanometer to an Ammeter?
- dgresch
- · Replies 6 ·
Need help with Momentum Principle problem
- fillipeano
- · Replies 16 ·
Velocity of a Boat and Float vs. Water
- zaper
- · Replies 21 ·