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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Work done by friction when pushing a crate up an inclined plane
- imatreyu
- · Replies 6 ·
Solve for Average Speed: Jogging and Driving Distance Calculation
- jwang023
- · Replies 1 ·
Finding uncertainty in angle from measured sides using differentiation
- lovemake1
- · Replies 3 ·
How Do Mass and Force Affect Acceleration in a Frictionless System?
- jen@skywi.com
- · Replies 1 ·
Runner accelerating at 1.7 m/s² for 4.8 seconds then coasting
- jwang023
- · Replies 1 ·
Calculating Rolling Friction for Toy Car on 12° Ramp
- lovemake1
- · Replies 10 ·
Average speed needed to reach church on time after construction delay
- 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 ·
Extensive vs intensive properties and equilibrium states
- 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 ·
Electric field from two point charges on the x-axis
- 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 ·
Three cylinders connected by string: finding velocity when one falls 4.7 m
- 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 ·
Finding energy to evaporate 1.2×10¹² m³ of water per day
- 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 ·
Force on square with opposite charges Q and two charges 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 ·
Finding the mass of a planet with radius 8.30×10⁷ m and escape velocity 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 ·
Angle between 1N and 2N forces in equilibrium with √3N force
- 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 ·
Acceleration of box pulled at 23.9° above horizontal
- 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 ·
Interference at a single wavelength
- physical101
- · Replies 3 ·
Angular momentum after projectile sticks to pivoted rod
- jdboucher
- · Replies 20 ·
Block on compressed spring sliding on rough surface
- nahanksh
- · Replies 2 ·
Model rocket and space probe force and acceleration problems
- 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 ·
AM radio station frequency for 75m tower as quarter-wavelength antenna
- 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 ·
Force the ceiling applies to a pulley lifting a crate
- 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 ·
Runner sliding into base loses 560 J—how far does he 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 ·
Finding vector C perpendicular to A with dot product constraint
- cdlegendary
- · Replies 1 ·
Tension in wire when magpie lands on clothesline
- 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 ·
Buoyant force on submerged block between two scales
- victorlee2
- · Replies 10 ·