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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How Do Mass and Force Affect Acceleration in a Frictionless System?
- jen@skywi.com
- · Replies 1 ·
Solving for Runner's Speed at End of Race | Physics Homework Help
- jwang023
- · Replies 1 ·
Calculating Rolling Friction for Toy Car on 12° Ramp
- lovemake1
- · Replies 10 ·
Average Speed Help: Get to Church On Time!
- jwang023
- · Replies 3 ·
Time in Air for Ball Rolling Down a Ramp
- bwagner
- · Replies 3 ·
How can I use calculus to analyze errors in angle measurements?
- lovemake1
- · Replies 3 ·
Forces surrounding Car on a Bridge
- Oktane
- · Replies 7 ·
Magnitude and Direction Force Problem
- Dr Meow
- · Replies 13 ·
Biot-Savart Law for a Point Charge
- discordplus
- · Replies 1 ·
Calculate the total work done on the sled.
- noman.21
- · Replies 7 ·
Motions in the planes need equation
- zelda1850
- · Replies 3 ·
Sled placed at an inclined plane ( Newtons law)
- lovemake1
- · Replies 1 ·
Find Final Speed of 5MeV Protons in m/s
- DR13
- · Replies 2 ·
Thermodynamics Homework Questions
- mmmboh
- · Replies 33 ·
Max Tension in Rope Supporting Bungie Jumper
- lovemake1
- · Replies 1 ·
Just an easy problem of physics
- NeoPhoenix
- · Replies 1 ·
3 part hypothetical battery question
- almedmat
- · Replies 2 ·
HELP columbs law/charges 2 charges on a line, looking for
- BATBLady
- · Replies 1 ·
Calculating Work Done in Baffling Thermodynamics Graph
- jacksonpeeble
- · Replies 5 ·
How Do You Calculate the Acceleration of a Box on a Smooth Floor?
- black_hole
- · Replies 12 ·
How Does Angle Affect Speed and Distance of a Toy Car on a Ramp?
- lovemake1
- · Replies 2 ·
How Do You Solve Homemade Capacitor Problems?
- almedmat
- · Replies 7 ·
How to assign current directions in unlabeled electrical networks
- EV33
- · Replies 5 ·
Having trouble finding the center of mass for multiple objects
- kavamo
- · Replies 1 ·
Electrical networks(linear algebra)
- EV33
- · Replies 1 ·
Maximum force that we can exert without breaking the rope?
- NeoPhoenix
- · Replies 6 ·
What displaces more water- Mass or Volume?
- Realityguy
- · Replies 2 ·
Rotational Kinematics and Energy
- nahanksh
- · Replies 1 ·
What does mass, volume and density of displaced water mean?
- cy19861126
- · Replies 4 ·
How Does Coulomb's Law Explain Force Between Three Charges?
- Deicider
- · Replies 1 ·
[A-level]Latent Heat Question, Help
- Boogeyman
- · Replies 2 ·
Solving Freefall Problem With Special Attention to Units
- bujorn
- · Replies 3 ·
To which of the two cubes has a larger moment of inertia?
- Cosmossos
- · Replies 4 ·
How Does Friction Affect the Angular Acceleration of a Sliding Bowling Ball?
- nahanksh
- · Replies 1 ·
Calculating the speed of electrons?
- bobo343
- · Replies 2 ·
What Is the Final Velocity After Two Freight Cars Collide and Interlock?
- zelda1850
- · Replies 1 ·
Calculating Time in Dynamics Problem
- Theorγ
- · Replies 5 ·
Absolute Potential: What is Meant?
- Jimmy25
- · Replies 1 ·
Calculating the energy stored in a spring
- lukenichols
- · Replies 7 ·
EMF Homework Help: Calculating Resultant Force on a Square with Charges Q and q
- viciado123
- · Replies 4 ·
Calculating the electrostatic force
- Hockey07
- · Replies 4 ·
What is the frequency of a SHM with a given time period?
- Boden1563
- · Replies 4 ·
Force between particles in nucleus
- tomwilliam
- · Replies 3 ·
Why Are My Particle Physics Calculations Incorrect?
- bobo343
- · Replies 3 ·
Electrostatic force question with coulombs law
- bofford4
- · Replies 2 ·
Obstacle course acceleration problem
- Helpme7534
- · Replies 15 ·
Sun’s contribution to total orbital angular momentum of Sun-Jupiter orbit
- mendojazzhead
- · Replies 2 ·
Discover the Mass of a Planet with an Escape Velocity of 3.60×104 m/s
- jay.mee.
- · Replies 3 ·
Impulse Applied to a Mass of 5kg on a Smooth Surface
- lemon
- · Replies 14 ·
Finding friction force on a 20 kg wooden crate dragged at constant speed
- Helpme7534
- · Replies 17 ·
Max Tension in Rope Supporting Bungie Jumper (75kg)
- lovemake1
- · Replies 7 ·
How Does Fred the Monkey's Descent Affect the Cylinder's Rotation?
- Dr Meow
- · Replies 5 ·
How Does Dropping a Log into a Lake Affect the Entropy of the Universe?
- sowmit
- · Replies 3 ·
Initial speed and distance from initial height problem
- magnifik
- · Replies 4 ·
Calculating Friction Coefficient of a Compressed Spring
- HumorMe81
- · Replies 7 ·
Total Binding Energy: Determining Electron Count
- jools111
- · Replies 4 ·
How to Calculate Kinetic Energy Loss in a Collision
- richardnumber
- · Replies 3 ·
Solve Force Equilibrium Problem: Angle Between 1N & 2N
- pha27531
- · Replies 1 ·
Electric Field and Flux: Calculations and Explanations
- harmonicmotion
- · Replies 3 ·
Diodes Current–voltage characteristic
- du.art
- · Replies 3 ·
Is Acceleration Directly Proportional to the Square of Time in Kinematics?
- General_Sax
- · Replies 1 ·
Elastic Collisions: What Went Wrong in My Calculation?
- fuzzish
- · Replies 3 ·
How Are Specific Heat of Fe and Molar Mass of Sn Calculated?
- dilasluis
- · Replies 1 ·
How Do You Calculate the Moment of Inertia for a System of Particles?
- richardnumber
- · Replies 7 ·
What is the acceleration of the box?
- black_hole
- · Replies 2 ·
What is the acceleration of a spool when a string is pulled at an angle?
- conana
- · Replies 6 ·
Understanding Phase Diagrams: Impact of Pressure Changes on a System
- maccha
- · Replies 1 ·
Solving Physics Problems: Tension, Time & Mass
- Alpha2
- · Replies 4 ·
Interference at a single wavelength
- physical101
- · Replies 3 ·
Angular Momentum Conservation for Projectile-Rod Collision | Homework Solution
- jdboucher
- · Replies 20 ·
Solve Kinematics Homework on Spring:Q1,Q2
- nahanksh
- · Replies 2 ·
Understanding Force: Solving Tricky Questions in a Snap!
- SkiingAlta
- · Replies 12 ·
Conservation of angular momentum of a falling particle
- Rudipoo
- · Replies 2 ·
Magnetic field between two parallel wires
- fishingspree2
- · Replies 4 ·
Translational Equillibrium, how do i show my work?
- Senjai
- · Replies 2 ·
Find the Frequency of an AM Radio Station with a 75m Tower and Ground Reflection
- SAT2400
- · Replies 3 ·
Electric Field at a Distant Point
- davezhan
- · Replies 2 ·
Static Equilibrium. Man on Ladder
- jdboucher
- · Replies 3 ·
Calculating Net Force and Direction on Bolt A
- Dr Meow
- · Replies 4 ·
How Do Momentum and Impulse Relate in a Collision?
- Air_force_two
- · Replies 2 ·
Solving Force on a Pulley: Calculating Ceiling Force
- pewpew23
- · Replies 11 ·
Finding the Stopping Point of a Falling Mass on a Spring
- zachmgilbert
- · Replies 7 ·
Torque and center of gravity problem
- Ben C.
- · Replies 1 ·
What is the role of the normal force in the work done on a sliding block?
- lilwigz
- · Replies 18 ·
What is the relationship between motion and speed in juggling?
- lilwigz
- · Replies 8 ·
Rotational Kinematics (Ball hits stick)
- amnestic
- · Replies 2 ·
Mechanical Energy Loss & Distance of Runner Slide
- lilwigz
- · Replies 12 ·
How Do You Calculate the Force and Time to Stop a Bullet Using Energy and Work?
- lilwigz
- · Replies 11 ·
Chemical Potential Energy and Kinetic Energy
- pewpew23
- · Replies 5 ·
What are the force and kinematics problems I need help with?
- SkiingAlta
- · Replies 8 ·
Solving Vector Problems: Homework Statement and Equations Explained
- cdlegendary
- · Replies 1 ·
Another Simple Rope Tensions Question
- amnestic
- · Replies 3 ·
Box sliding down frictionless incline
- pewpew23
- · Replies 10 ·
Static Equilibrium of door and hinge
- Wellesley
- · Replies 8 ·
Write an equation for the gravitational force between two objects
- stargirl17
- · Replies 14 ·
Proving Kepler's 2nd Law: Pluto's Area Sweep
- Trizz
- · Replies 2 ·
Solving Bouyant Problems: Homework Statement
- victorlee2
- · Replies 10 ·
Having trouble with a centripetal force problem
- jap129
- · Replies 9 ·
Finding the Angle and Magnitude of a Resultant Force using Vector Addition
- Luongo
- · Replies 6 ·
How Much Power Does a Cyclist Develop Climbing a Slope with Resistance?
- Mjpcampbell
- · Replies 1 ·