Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Find the centripetal acceleration of the yoyo
- megha
- · Replies 2 ·
Whats the name of that tool that
- eax
- · Replies 4 ·
About Blocks, torques and wedges
- willworkforfood
- · Replies 5 ·
Calculating Radioactive Decay: Estimating Age of Ancient City
- ussrasu
- · Replies 3 ·
Power & Force: Solving a Cyclist's Problem
- 7tongc5
- · Replies 2 ·
Minimum amount of energy necessary to remove a proton from 42-Ca atom
- ussrasu
- · Replies 3 ·
Projectile Speed and Distance Calculation
- 404
- · Replies 3 ·
Understanding Capacitors: Why Removing One Affects the Net Charge on the Other
- FrogPad
- · Replies 2 ·
Solving an Inclined Plane Problem
- suspenc3
- · Replies 5 ·
What are the tensions in the two ropes holding up a ball?
- sully24
- · Replies 2 ·
Is Gravity an Exception to Newton's Third Law?
- Zee Student
- · Replies 2 ·
Surface of Equal Gravitational Potential
- amcavoy
- · Replies 2 ·
Diver falling into swimming pool - forces
- Punchlinegirl
- · Replies 3 ·
What force must the man pull on the rope to rise with a constant velocity
- suspenc3
- · Replies 8 ·
Lab on measuring the inertial mass
- F.B
- · Replies 2 ·
Calculating Bullet Speed in Inclined Slide | Mass, Height & Friction Considered
- Punchlinegirl
- · Replies 5 ·
Paratrooper falls without parachute
- confusedaboutphysics
- · Replies 3 ·
Tennis player hits the ball velocity help
- Chocolaty
- · Replies 1 ·
Physics 218 - Volume 1 - Mechanics Introduction Question
- lostdaytomorrow
- · Replies 2 ·
Determine Resultant Vector: Non-90deg Triangle Problem
- Chocolaty
- · Replies 7 ·
Understanding Standing Waves: Interference and Maximum Positions Explained
- dekoi
- · Replies 1 ·
How Do You Calculate Spring Constant for Launching a Satellite?
- babbagee
- · Replies 3 ·
How do I calculate the maximum compression of a spring in a physics problem?
- NutriGrainKiller
- · Replies 11 ·
What are integrals and how are they used in physics and calculus?
- suspenc3
- · Replies 2 ·
How Does Tension Change When Horses Pull in Different Configurations?
- matiishere
- · Replies 1 ·
How Can I Improve My AS Level Physics Skills Over the Holiday?
- khizman
- · Replies 1 ·
How Much Time Does It Take to Lift a 300 kg Piano 10 Meters?
- PhunWithPhysics
- · Replies 1 ·
Force of Friction: Reaction Force and Application
- Zee Student
- · Replies 4 ·
Projectile Motion Archer Problem
- nickelodeon77
- · Replies 4 ·
What Are Good Resources for Understanding Basic Probability Distributions?
- fasterthanjoao
- · Replies 1 ·
Calculating Time to Lift 300kg Piano 10 Meters with 400 Watts Power
- PhunWithPhysics
- · Replies 1 ·
How Is Average Force Calculated When Bullets Hit Different Surfaces?
- brad sue
- · Replies 3 ·
Why Do Force and Energy Analyses Yield Different Spring Extensions?
- positron
- · Replies 4 ·
Average force and center of mass
- ViewtifulBeau
- · Replies 9 ·
Solve 2 Energy Problems: Conservation of Mechanical Energy
- jrd007
- · Replies 6 ·
Practice Physics Qs w/Answers: Distance Ed High School Vectors
- quis
- · Replies 1 ·
What's Wrong in the Boy's Reasoning from Newton's 3rd Law?
- Meteo
- · Replies 3 ·
Calculating Speed of Toyota After Collision with Cadillac
- 7tongc5
- · Replies 3 ·
What is the formula for calculating the radius of a loop in a jet fighter?
- Karma
- · Replies 7 ·
How can I solve this thermodynamics problem involving an adiabatic process?
- thenewbosco
- · Replies 1 ·
How Does Ice Melt When Hot Water Is Added?
- 92EG6
- · Replies 1 ·
Easy circuit question but i get the wrong answer for PD
- mr_coffee
- · Replies 4 ·
Centripetal Acceleration Problem
- sap_54
- · Replies 1 ·
Is My Monkey Physics Calculation Correct?
- Apple123
- · Replies 1 ·
What Is the Tension in Vine B for a Hanging Monkey?
- Apple123
- · Replies 6 ·
How Fast Was the Car Going Before It Hit the SUV?
- Ckoskie
- · Replies 3 ·
Coefficient of static friction graph
- SwAnK
- · Replies 1 ·
Bridge Force Calculations for Hiker's Weight
- playboy2006
- · Replies 1 ·
Angular Speed of Disk with 260 kg Mass and 69 kg Person
- playboy2006
- · Replies 1 ·
What is the Centripetal Acceleration of a Yoyo on a Horizontal Swing?
- megha
- · Replies 1 ·
Net Torque of a CD: Mass 17 g, Radius 6 cm, Acceleration 23 rad/s
- playboy2006
- · Replies 1 ·
Will Sir Lancelot's Weight Cause the Cable to Break?
- erik-the-red
- · Replies 4 ·
How do u know the direction of the current?
- mr_coffee
- · Replies 2 ·
What's the Correct Way to Add Multiple Vectors Using Components in Physics?
- quis
- · Replies 4 ·
Calculating Acceleration: 3 Astronauts, 120kg Asteroid & Jetpacks
- suspenc3
- · Replies 3 ·
Force of Friction: Solving for 15 kg Child on 4.0m Slide at 40 Degrees
- msimard8
- · Replies 2 ·
Speed of Block at Top of Track: Solving Friction Problem
- AdnamaLeigh
- · Replies 1 ·
Barrier Tunneling: Proton Transmission Coefficient
- Kazza_765
- · Replies 1 ·
Work phythagorean theorem Question
- SS2006
- · Replies 2 ·
How Can You Conduct a Simple Single Dimension Motion Lab Under Time Constraints?
- Mike AkA Don
- · Replies 1 ·
4 homework problems (static coefficient, acceleration/direction, power, ect)
- jolin4bj
- · Replies 1 ·
Does Falling Rain Experience Air Resistance?
- sharonita
- · Replies 13 ·
Calculating Minimum Coefficient of Friction for Safe Highway Curves
- shawpeez
- · Replies 3 ·
How is friction related to work done
- SS2006
- · Replies 1 ·
Find Velocity of Mass in 12 Hours
- Altoids
- · Replies 1 ·
How High Will the Block Rise After a Gunshot?
- 7tongc5
- · Replies 4 ·
Explaining Forces in Bicycle Riding: How to Help Your Little Brother
- aznspx
- · Replies 3 ·
A 5.0 kg block pushed 3 m up a vertical wall
- Trista
- · Replies 4 ·
Projectile + Conservation of energy
- Neerolyte
- · Replies 4 ·
How do you calculate the acceleration of a pendulum at a given angle?
- Petrikovski
- · Replies 5 ·
How Is the Change in Linear Momentum Calculated in a Collision?
- ViewtifulBeau
- · Replies 1 ·
Relative velocity of Electromagnetic waves
- Eng67
- · Replies 5 ·
Help with projetile motion using Energy Theorem
- babbagee
- · Replies 7 ·
Conservation of momentum of a neutron
- ViewtifulBeau
- · Replies 6 ·
Maximum power/current for a battery?
- bakshi
- · Replies 3 ·
What is the Mass of a Thin Rectangular Plate with a Circular Hole?
- Punchlinegirl
- · Replies 14 ·
How Does Centripetal Force Affect the Angle of Water in a Microwave Carousel?
- physixnot4me
- · Replies 1 ·
Find Excess Charge on Capacitor 2 Given 10V Battery & 5x20µF Capacitors
- DivGradCurl
- · Replies 3 ·
Solving Wave Problems: Questions & Answers
- Pixter
- · Replies 5 ·
Long vs Short Bows: Does Force Depend on String Length?
- daniel_i_l
- · Replies 3 ·
Current, Power, and Energy problem
- caddyguy109
- · Replies 10 ·
Solving a Problem: Calculating Position of Image with 2 Diverging Lenses
- chino22
- · Replies 1 ·
What Happens When a Sliding Block Collides with Another on a Flat Surface?
- lando45
- · Replies 1 ·
Two Billiard Balls Meeting at Origin - Final Direction & Speeds
- Ckoskie
- · Replies 2 ·
Calculating Electric Field at Origin due to Two Point Charges
- hotmail590
- · Replies 2 ·
Helicopter Problem: Calculating Lift Force on Rotors
- ebola_virus
- · Replies 5 ·
Hello everyone, having troulbes applying Kirchoff's Rule~DC circuits
- mr_coffee
- · Replies 3 ·
Inductance of a coil for a given emf and current change
- jena
- · Replies 2 ·
How to Calculate Rate of Thermal Energy Production in a Copper Coil
- jena
- · Replies 5 ·
How can u tell if somthing is in series or parallel?
- mr_coffee
- · Replies 2 ·
Car Colision and speed question
- Ckoskie
- · Replies 4 ·
Work and energy - easy question
- 7tongc5
- · Replies 3 ·
What Are the Forces Acting on Boxes on Inclined Planes?
- kevinlikesphysics
- · Replies 7 ·
Calculating the Spring Constant and Work Done by an Archer's Bow
- Trista
- · Replies 2 ·
Describe forces on a test charge in electromagnetism
- Blink691
- · Replies 2 ·
How Well Do You Understand Energy and Work Concepts?
- Weatherkid11
- · Replies 2 ·
How Do You Calculate the Centripetal Force of a Whirling Ball?
- smileyjen523
- · Replies 3 ·
Create a Rolling Device Powered by Rubber Bands - Help Josh!
- SMB20
- · Replies 2 ·
Solve Electric Power Question: Calculate Voltage at Lamp 3 - Correct Answer 9.4V
- catalyst55
- · Replies 3 ·
Velocity-time Plot Shape: Upside Down Parabola or V-Shape?
- polyperson
- · Replies 7 ·