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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Deriving V-E Relation for Uniformly Charged Rod at Radial Distance r > a"
- SpatialVacancy
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Value of an angle will their vector sum have the same magnitude
- ios
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What is the difference between reciprocal and inverse in mathematics?
- singleton
- · Replies 3 ·
How much weight does the pulley hold for a 100 lb suspended block?
- help_me
- · Replies 2 ·
Electric fields and electrostatic forces
- InfinitiMike069
- · Replies 3 ·
Calculating Takeoff Speed for an Olympic Long Jumper
- pinky2468
- · Replies 6 ·
Net electrostatic force on central charge between two fixed charges
- aaross
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Solving for t in a Physics Problem for Students
- ZeroCool
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What is incorrect about my vector component calculations?
- iamhumble
- · Replies 10 ·
Interpreting Vector Directions: A=8 at 45°, B=8 at 180/225°
- Skotster
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Hockey puck hit by stick: finding contact time
- teclo
- · Replies 7 ·
Rocket fired upward with engine thrust then free fall
- elizabethg
- · Replies 11 ·
How long for a cop to catch a crook driving at 85 mph?
- epeake
- · Replies 7 ·
What is the correct direction for the explorer's displacement to return home?
- Whatupdoc
- · Replies 15 ·
Point charges on square - find magnitude of force
- pringless
- · Replies 20 ·
How do I calculate the average velocity of a Honda Civic traveling along a road?
- COCoNuT
- · Replies 14 ·
Complex Number-how to show it ?
- scoutfai
- · Replies 4 ·
What are the dimensionally consistent powers in the expression v = a^p * t^q?
- tony873004
- · Replies 10 ·
Solving cos^-1 (3/7): Exact Trigonometric Values and Techniques
- courtrigrad
- · Replies 4 ·
Help with textbook exercises for next week test
- kelvintc
- · Replies 54 ·
Thrown ball velocity and acceleration
- spdrxc
- · Replies 3 ·
What is the electric flux through the rectangle
- spatel600
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How Do You Calculate Moles and RMS Speed in Ideal Gas Problems?
- Auron87
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Calculating Induced e.m.f and Power in a Perpendicular Coil
- islandguy
- · Replies 4 ·
What single chip can be used to replace an AND gate in a circuit?
- paul11273
- · Replies 8 ·
Instantaneous velocity animation
- Whatupdoc
- · Replies 6 ·
Test rocket acceleration physics problem
- elizabethg
- · Replies 3 ·
Kinematics bowling ball problem
- physicsss
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What is the force at 18 degrees in a charged ball suspension problem?
- physicsuser
- · Replies 2 ·
How Do You Calculate the Uncertainty in Physical Measurements?
- physicsss
- · Replies 11 ·
Solving the Salmon Jump Problem: How High Can it Go?
- Hollyleelee
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Point charge in an electric field
- jimithing
- · Replies 11 ·
Solve Simple Velocity Problem: Understanding Integration and Momentum
- teclo
- · Replies 4 ·
Building a safe Tesla coil for a school science fair
- Shay10825
- · Replies 6 ·
Simplifying Combinatorics: Proving nC(k-1) + nCk = (n+1)Ck for k>0
- courtrigrad
- · Replies 2 ·
What does this experiment show?
- Topher
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What is the concept of Gauss' physical law?
- galipop
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How to Integrate \frac{\sqrt{x+1}}{x+3} dx with a Suitable Substitution?
- Ethereal
- · Replies 3 ·
Finding the Direction of a Plane's Emergency Landing Using Trigonometry
- COCoNuT
- · Replies 24 ·
Find Resoance Frequency for Electric Motor Mass of 100 kg
- bullet_ballet
- · Replies 4 ·
Solving Hexane Condensation Problem: Flow Rate & Recovery
- jimithing
- · Replies 2 ·
What is the magnitude of the velocity vector at time t = 8.3 s?
- SMS
- · Replies 3 ·
Oil slick diameter and bowling ball speed
- lmf22
- · Replies 3 ·
Bullet penetration, ball thrown upward, and gravity on strange planet
- SJC25
- · Replies 2 ·
Electric Potential in a Region: Is it Zero or Nonzero?
- GreenDinos
- · Replies 2 ·
An electron moving across capacitor
- spatel600
- · Replies 8 ·
Tackling a Tough Physics Problem: Proton's Turning Point
- spatel600
- · Replies 5 ·
Max Angle for Increasing Distance Projectile
- ExtravagantDreams
- · Replies 13 ·
How did Newton derive the inverse square law of gravitation?
- scoutfai
- · Replies 15 ·
Solving the differential equation f'(x) + ((1-2x)/x²)y = 1
- Cyannaca
- · Replies 5 ·
Is Courant's Differential and Integral Calculus suitable for AP Calculus AB and BC?
- courtrigrad
- · Replies 2 ·
Finding Distance Moved by Swapping Positions of Two Masses on Boat
- dibilo
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Derivative with respect to time ?
- ddoerr
- · Replies 3 ·
Calculating Basketball Player's Hang Time
- Webb
- · Replies 5 ·
Ball hit at angle on inclined hill, maximize horizontal distance
- asourpatchkid
- · Replies 5 ·
Physics I should be able to do
- JonF
- · Replies 12 ·
What are the confusing questions about structural I beams and cones?
- rumaithya
- · Replies 3 ·
Calculating Edith's Average Velocity in a Relay Race
- Whatupdoc
- · Replies 3 ·
Linear Speed of Object on Earth Surface at 62.0 Degrees Angle
- Eleet
- · Replies 4 ·
How can you determine the net force of a bottle
- Gmaximus
- · Replies 3 ·
Conducting sphere in a conducting spherical shell
- GreenDinos
- · Replies 2 ·
Initial Speed of Ball Thrown Horizontally from 15.75m Height
- Eleet
- · Replies 8 ·
Calculating Force in Parallel Conductors
- voormann
- · Replies 4 ·
Maths or physics Interception question
- High_flier
- · Replies 2 ·
How Do You Calculate Electrostatic and Gravitational Forces in a Helium Ion?
- psruler
- · Replies 10 ·
Will expansion increases potential energy?
- no idea
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How Does Liquid Volume Affect Pressure and Flow Rate?
- ConceptuallyInept
- · Replies 2 ·
One dimensional motion magnitude
- SMS
- · Replies 6 ·
How do you add velocity vectors together?
- Eleet
- · Replies 9 ·
How Do You Convert Air Weight from Newtons to Pounds?
- kdk41085
- · Replies 10 ·
How Do You Calculate Acceleration from Velocity?
- Shay10825
- · Replies 16 ·
Equal Pressure in Efflux: Understanding Fluid Dynamics in a Tank
- suffian
- · Replies 2 ·
Solving Box & Ramp Problem at 50° Angle
- mrjeffy321
- · Replies 10 ·
How to Calculate Moment of Inertia for Composite Objects?
- Gmaximus
- · Replies 10 ·
Calculating Horizontal Distance of Ball Bearing with Mass 11.0 g
- SMS
- · Replies 4 ·
How do you design a bridge with these materials?
- davedj23
- · Replies 3 ·
Steps to solve Projectile problem
- GWelch
- · Replies 8 ·
How Far Should the Rescue Crew Fly to Reach the Plane?
- COCoNuT
- · Replies 4 ·
Trouble with Notation in Vector Analysis
- ExtravagantDreams
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How Much Rubber Enters the Atmosphere from Tire Wear in the U.S. Annually?
- Anamoly
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Find the direction of vector A+B with given components
- Whatupdoc
- · Replies 8 ·
Relativistic Lagrangian -> Hamiltonian
- Igor_S
- · Replies 2 ·
Flowerpot height from time visible in window
- teknodude
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Dimensional analysis and frequency
- jewilki1
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Center of Gravity, Non-Uniform Bar
- JasonRox
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What is the difference between empirical and fundamental laws in physics?
- arwen^undomiel
- · Replies 6 ·
How can I solve this free fall problem with missing variables?
- pinky2468
- · Replies 8 ·
Mars Climate Orbiter probe crashed into the surface of Mars
- Whatupdoc
- · Replies 2 ·
Investigatory project in physics
- nyita
- · Replies 27 ·
Baseball Projectile Motion Problem
- NoPhysicsGenius
- · Replies 5 ·
Trouble Solving Relative Velocity in 2-D?
- NoPhysicsGenius
- · Replies 5 ·
How Is Mass Calculated from Specific Heat?
- Zorodius
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Electric Potential, acceleration and velocity
- Brianjw
- · Replies 8 ·
Why Doesn't f(x + Δx) Approach f(x) as Δx Approaches 0 in Limits?
- haribol
- · Replies 4 ·
Projectile in Motion: horizontal
- khai06
- · Replies 3 ·
Electric Problem: Charges Drawn to Uncharged Metal Rod
- Physicsisfun2005
- · Replies 3 ·
Find the quadrant where sin Ø > 0 and cos Ø < 0
- Poweranimals
- · Replies 6 ·
What is the speed of the new steamship?
- NickyuTse
- · Replies 5 ·
Solving Acceleration Problems in a Sports Car Rally
- Manbe
- · Replies 3 ·