Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Circular Motion with static friction of race car
- hannam
- · Replies 2 ·
Calculating Error In Wavelength
- azntoon
- · Replies 2 ·
Work Energy Problem Package released to Spring
- XwyhyX
- · Replies 2 ·
Submarine sonar doppler problem
- leinad0213
- · Replies 1 ·
How Can I Determine the Mass of a Rubber Stopper in a Circular Motion Lab?
- rebekahje
- · Replies 1 ·
So, the question could be: Is the Formula for Specific Angular Momentum Correct?
- Kyle91
- · Replies 1 ·
Atwood machine acceleration problem
- prabhat rao
- · Replies 9 ·
How to Calculate Net Force on Elevator Moving Downward with Upward Acceleration?
- bling-bling
- · Replies 4 ·
Why is the change in flux equal to twice the magnetic flux?
- pyroknife
- · Replies 3 ·
Mechanical Vibrations Differential Equation
- Goatsenator
- · Replies 2 ·
Deriving n ≤ d/λ from sinθmax ≤ 1
- jono240
- · Replies 1 ·
Find Time for TBI Injury Risk: Hardwood vs Carpeted Floors
- Snaveekim
- · Replies 3 ·
Acceleration of eggs sliding on truck bed relative to ground vs truck
- anniecvc
- · Replies 4 ·
Why Does a Capacitor Discharge?
- nik2011
- · Replies 1 ·
Work Done on a Suitcase by Various Forces
- Crusaderking1
- · Replies 2 ·
What is the Angle of Swing for a Block in a Van on an Unbanked Curve?
- physics_
- · Replies 6 ·
2d static body; three unknown forces
- togo
- · Replies 3 ·
What is the solution to the Moving Blocks Problem?
- zzinfinity
- · Replies 6 ·
Calculating Centripetal Force in The Roundup Amusement Ride
- SherBear
- · Replies 13 ·
Can You Charge Something Negatively Through Induction?
- Darth Frodo
- · Replies 3 ·
Spring Mass System | Calculate Mass m
- 626
- · Replies 16 ·
RC Time Constant Question (Easy)
- beanus
- · Replies 3 ·
A banked roadway with static friction
- shawli
- · Replies 5 ·
Better intuition of what it is I am finding.
- Sefrez
- · Replies 1 ·
Magnetic field induced EMF in rotating coil: where's my error?
- roam
- · Replies 9 ·
Find the angle of acceleration in circular motion
- trivk96
- · Replies 3 ·
Cutting a hollow sphere into 2 piece but not in half
- athrun200
- · Replies 7 ·
Displacement of wood block originally attached to spring
- usamo42j
- · Replies 1 ·
FORMULA CALCULATION PROBLEM about FORCE
- gianne671
- · Replies 3 ·
TENSION PROBLEM on traction system
- gianne671
- · Replies 4 ·
How to Calculate Distance Using the Doppler Effect
- leinad0213
- · Replies 1 ·
How Is the Impulsive Force Calculated During a Mobile Phone's Impact?
- depre87
- · Replies 2 ·
Minimum force to push a 50 kg ice block at 25° below horizontal
- gianne671
- · Replies 21 ·
What should be the free body diagram?
- AlchemistK
- · Replies 3 ·
Force on pedals; cyclist up incline
- usamo42j
- · Replies 1 ·
Kinemetics Question - theoretical subsitution
- Pardicer
- · Replies 1 ·
Asteroid falling to earth, what will be minimum speed and KE on planet?
- overdrive7
- · Replies 5 ·
What Is the Impact of Friction on Acceleration in a Dual-Mass Pulley System?
- Strawer
- · Replies 3 ·
Two-electrode spherical system (Potential)
- jegues
- · Replies 5 ·
Question a/b pressure variation equation
- starburst
- · Replies 2 ·
What Is the Ball's Velocity Before and After Collision?
- bman123
- · Replies 2 ·
Wondering why my method of finding charge doesn't work?
- pradeepk
- · Replies 2 ·
How Do You Calculate Deceleration and Time to Stop for a Car?
- powerof
- · Replies 6 ·
Conservation of Momentum 2D - 2 marbles collide - find final velocities
- durandal995
- · Replies 11 ·
Finding the Normal Force of a block on an incline experiencing centripetal force
- trivk96
- · Replies 1 ·
No slip wheel, distance covered, find revolutions
- jehan4141
- · Replies 2 ·
How Do You Calculate Accurate Muzzle Velocity in an Air Cannon Project?
- bulldogbaseba
- · Replies 5 ·
Find minimum energy to escape an orbit
- trivk96
- · Replies 2 ·
What Range of Speeds Can an Object Have Before a String Breaks?
- shawli
- · Replies 3 ·
How Does Friction Affect the Energy of a Rolling Ball on Inclined Planes?
- PhysicStuden7
- · Replies 5 ·
Rainfall driven micro hydro system
- cutegaljessy
- · Replies 1 ·
How Do You Calculate Wire Tension in the Hanging Bowling Balls Problem?
- kirby27
- · Replies 10 ·
Static Equilibrium-Balancing Forces and Torque
- phizics09
- · Replies 1 ·
What is μE in the gravitational acceleration formula for orbital mechanics?
- Kyle91
- · Replies 6 ·
Solving PV/nRT for T: Temp Needed to Reduce Gas Volume to 2.50L
- fromthepast
- · Replies 2 ·
Transmission losses with 50kW load at 230V and 0.6 power factor
- SGL18
- · Replies 10 ·
Thermo: Newtons law of cooling for radiation
- armolinasf
- · Replies 2 ·
Finding specific heat of an object graphically
- armolinasf
- · Replies 3 ·
Trajectory and conservation of linear momentum
- bakin
- · Replies 11 ·
What Is the Maximum Force on the Man from the Woman?
- McAfee
- · Replies 2 ·
Calculating Current Through a Battery in a Series Circuit
- roam
- · Replies 8 ·
Prove the operator d/dx is hermitian
- baldywaldy
- · Replies 3 ·
Why do my energy calculations not equal each other in this Work-Energy lab?
- anonymous12
- · Replies 2 ·
Calculating Energy Stored in a Capacitor with Varying Gap
- sabak22
- · Replies 11 ·
How Does Kinetic Energy Relate to Forces in Shot Put?
- jjbrinkman3
- · Replies 6 ·
Kinematics 2 dimensions problem, golf ball being hit
- jehan4141
- · Replies 7 ·
How could nature have improved the human arm for lifting heavier loads?
- Fisics
- · Replies 1 ·
Four train cars coupling with a stationary fifth car
- JANF0R
- · Replies 2 ·
Angular speed of rock swinging at 13.9° angle
- ixerr
- · Replies 22 ·
Calculating Energy Loss with Ballistic Pendulum
- paxian
- · Replies 1 ·
Finding the coefficient of kinetic friction of 3 blocks
- chevymechanic
- · Replies 3 ·
How Do You Calculate Displacement, Average Speed, and Velocity in 2D Kinematics?
- uwonki
- · Replies 1 ·
Banked Curve perfectly banked
- starji
- · Replies 4 ·
Sound Intensity and Sound Level
- leinad0213
- · Replies 1 ·
Theory for acceleration of a cart: lab experiment
- Ascrapper
- · Replies 1 ·
Calculating Angular Acceleration of Horizontal Rod
- DrunkApple
- · Replies 2 ·
Simple Incline Problem: Acceleration of a Block on a Wedge - Solution Attempt
- AlchemistK
- · Replies 1 ·
Non-uniform circular motion, [stunt Car inside a ring]
- Krishan93
- · Replies 5 ·
Block Moving Down A Moving Wedge
- GnG.Vike13
- · Replies 12 ·
How Is Normal Force Calculated on an Inclined Plane?
- sakebu
- · Replies 1 ·
Calculating Coefficients of Friction for a Sliding Book
- universitybou
- · Replies 1 ·
How to Solve for J and m in the Impulse-Momentum Theorem?
- lanky011
- · Replies 1 ·
Measuring the Resistance of a Wire
- Peter G.
- · Replies 2 ·
Particle Shot Tangentially to Surface
- trevor51590
- · Replies 2 ·
Exam: Measuring the Coefficient of Friction
- Faka
- · Replies 1 ·
What is the relationship between area on a velocity / time graph?
- PotentialE
- · Replies 2 ·
A monatomic gas in a 2d Universe - multiplicity
- TFM
- · Replies 2 ·
Relationship between temperature and resistance
- Sir Pwn4lot
- · Replies 4 ·
How and why does a prism split white light into the colour spectrum
- Cade
- · Replies 7 ·
What is the Minimum Distance Between a BMW and a Camper to Avoid Collision?
- jojo711
- · Replies 2 ·
Wind velocity component when angle is east of north
- Physics697
- · Replies 2 ·
Finding velocity given radius and coefficient of friction
- Mooshk
- · Replies 3 ·
How Much Charge is Needed for an Ink Drop to Deflect in an Inkjet Printer?
- gp0015
- · Replies 1 ·
Calculating Power from Torque and Rotor Speed
- littlesohi
- · Replies 5 ·
How Many Wavelengths Between a Node and an Antinode in a Standing Wave?
- mtreichl
- · Replies 1 ·
3 particles A,B,C of masses m,2m,3m lie at rest in that order on
- jiboom
- · Replies 1 ·
Finding displacement amplitude given frequency and pressure
- leinad0213
- · Replies 1 ·
What is the Speed and Time for a Stone Thrown Downward?
- jojo711
- · Replies 7 ·
Finding the Net Torque of a Circular Object
- DrunkApple
- · Replies 3 ·
How far along the incline is the highest point from the release point?
- helpmeimdumb
- · Replies 1 ·