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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What Is the Voltage Between Terminals A and B?
- Learnphysics
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Waves question RE combination of frequencies and semitones
- coffeem
- · Replies 1 ·
Mechanics 1 (M1) - Vertical motion under gravity
- Ulti
- · Replies 5 ·
Projectile Motion Homework: Finding Time, Distance, and Speed
- deaninator
- · Replies 5 ·
Calculating Distance to Screen in Double Slit Diffraction Experiment
- solomar
- · Replies 4 ·
Charged coaxial cable - Charge distribution?
- quanticism
- · Replies 2 ·
What is the relationship between time and height in object free fall?
- BrendanB
- · Replies 1 ·
Do Alice and Bill do the same work climbing a mountain?
- mmiller9913
- · Replies 1 ·
Where is the center of mass located for an irregular object?
- huybinhs
- · Replies 2 ·
Ratio of kinetic to rest energy for a baseball at 44 m/s
- MillerGenuine
- · Replies 1 ·
Universal Gravitation Practice
- chroncile
- · Replies 1 ·
How Does Velocity Change with Position in a Force Field?
- mmattson07
- · Replies 9 ·
Verify the relation F = m(v^2/r)
- VitaX
- · Replies 6 ·
Using Hooke's Law and Elastic Potential Energy equations
- mp9191
- · Replies 2 ·
Power of a driven oscillating spring
- jdc15
- · Replies 1 ·
Solving a Crate Motion Problem: Find Time for 4m Movement
- homevolend
- · Replies 2 ·
Finding initial velocity from 290m skid marks with μ=0.6
- wtfcat
- · Replies 2 ·
What is the speed of a block pulled by a spring with friction?
- alexpratt
- · Replies 4 ·
Finding angular acceleration from torque
- mohabitar
- · Replies 1 ·
Momentum vectors (add and subtract)
- huybinhs
- · Replies 2 ·
Gravitational force between a proton and electron at 2.8 m
- ali13
- · Replies 1 ·
Off the cliff with velocity and gravity
- rupz28
- · Replies 4 ·
Uniform Circular Motion Space Station question
- winnayy
- · Replies 4 ·
Calculating PV Panel Area and Installed Power for 3000 kWh/year Production
- readaynrand
- · Replies 1 ·
Calculating Drag Force on Boat: Speed as Function of Time
- datapirate42
- · Replies 1 ·
Gravitational force on a mass from two other masses
- bmoore509
- · Replies 10 ·
Gravitational Forces between planets/objects
- mavid
- · Replies 4 ·
How Long Until You Reach the Curve at 180.7 km/hr?
- rupz28
- · Replies 2 ·
Is the Slope of the Wheelchair Ramp Too Steep for Young Children?
- homevolend
- · Replies 6 ·
What is the Total Mass of Earth's Atmosphere?
- lmannoia
- · Replies 3 ·
Power Needed to Pull Skier Up Slope
- Jm4872
- · Replies 1 ·
How Does the Monkey's Grip Affect the Movement of the Bananas?
- Questlove
- · Replies 1 ·
Finding the phase constant for simple harmonic motion
- Bugsy23
- · Replies 1 ·
How Do Observers in Different Frames of Reference Perceive Time Dilation?
- babbar.ankit
- · Replies 3 ·
Volume question related to piston movement in a hydraulic system
- TrpnBils
- · Replies 3 ·
What is the Time Taken for a Particle in S.H.M. to Return to its Starting Point?
- zorro
- · Replies 8 ·
Parabolic shot with air resistance question
- PotesLuis
- · Replies 1 ·
Why Don't Electrons Leave Metal When Connected to Positive Terminal?
- Peter4444
- · Replies 1 ·
Elastic collision, 2 objects collide.
- IDKPhysics101
- · Replies 5 ·
Center of mass of three objects at triangle corners
- IDKPhysics101
- · Replies 9 ·
Cannon at rest shot on frozen pond. what is cannon balls v after cannon recoil?
- IDKPhysics101
- · Replies 2 ·
A Projectile motion problem, I .
- a.ratnaparkhi
- · Replies 3 ·
2D Kinematics Problem (Projectile Motion)
- Dcarroll
- · Replies 2 ·
Specific heat and possibly latent heat too..
- shannon.leigh
- · Replies 3 ·
Circular motion and speed of rotation
- kikifast4u
- · Replies 3 ·
How Do You Calculate the Weight of a Pumpkin Suspended by Two Scales?
- jeetp26
- · Replies 3 ·
Calculating displacement from velocity-time graph
- Letsgo99
- · Replies 1 ·
Cooling steel with water that boils: incorporating latent heat
- shannon.leigh
- · Replies 2 ·
How do I integrate the physical pendulum equation with respect to time?
- shyta
- · Replies 1 ·
How Do You Calculate Uncertainty in Physics Measurements?
- luckysam
- · Replies 1 ·
How Much Sweat Evaporates to Cool a 80kg Man by 1°C?
- FFFUUU
- · Replies 1 ·
Solving Rotation & Inertia Homework Problem
- Julie323
- · Replies 5 ·
Calculating acceleration due to gravity question
- dudforreal
- · Replies 11 ·
Angular deceleration of a circular saw blade coasting to stop
- bob5445123
- · Replies 4 ·
Manipulate partial derivatives to obtain desired physical expression
- Roo2
- · Replies 4 ·
Physics problem : dynamics with friction
- 3ephemeralwnd
- · Replies 3 ·
Min Steel Wire Diam for 390N: 0.296mm
- johntuan2009
- · Replies 3 ·
Energy of a Pendulum: Friction vs. No Friction
- jumbogala
- · Replies 1 ·
Projectiles Launched At An Angle
- sprtsgy0372
- · Replies 4 ·
Why does tension act in different directions in different pulley systems?
- uradnky
- · Replies 2 ·
How Much Work is Required to Stretch a Series of Strings?
- BraedenP
- · Replies 1 ·
Toy Car Projectile Motion problem
- deaninator
- · Replies 1 ·
Simple forces problem no incline
- HelpMePlz2010
- · Replies 2 ·
Solving for the Coefficient of Kinetic Friction: An In-Depth Explanation
- Vinegar
- · Replies 1 ·
How Do Large Water Reservoirs Effect The Length of the Day
- alex3
- · Replies 12 ·
What Happens to Energy When Ionization Matches the Workfunction?
- nobahar
- · Replies 7 ·
What Is the Gravitational Potential Energy of a Car on a 10-Degree Hill?
- tica86
- · Replies 1 ·
How to Calculate Spring Compression and Body's Launch Height from Falling Mass?
- DEckrich7
- · Replies 4 ·
Air Track Glider and Hanging Block Dynamics
- Subdot
- · Replies 6 ·
Work done by cable on elevator with cheese block
- ctpengage
- · Replies 3 ·
Simple Harmonic Motion Lab: Mass and Period Relationship Analysis
- turnerdhr
- · Replies 4 ·
How Much Work Does It Take to Fire a 2kg Projectile at 50m/s?
- mmiller9913
- · Replies 1 ·
How to Calculate Air Time and Initial Speed of a Golf Ball in Projectile Motion?
- deaninator
- · Replies 3 ·
Max speed of roller coaster at bottom of drop
- pb23me
- · Replies 2 ·
How to Solve the Impulse Problem with a 70-g Steel Ball in Contact with a Plate
- preluderacer
- · Replies 5 ·
Man in a Balloon Homework: Velocity & Movement
- VitaX
- · Replies 1 ·
Kinetic Friction of block on table
- Heat
- · Replies 6 ·
Calculating Displacement of a Point on a Spring with a Transverse Wave
- ghostbuster25
- · Replies 5 ·
How do you calculate wave amplitude from frequency and wavelength?
- ghostbuster25
- · Replies 2 ·
Simple electronic energy level question
- Kibbel
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How Is Chemical Potential Energy Converted in a Skateboarding Stunt?
- flyingpig
- · Replies 23 ·
How to find the angle between r and the x axis?
- deaninator
- · Replies 4 ·
Decrease in Pressure Above a Lake
- dvolpe
- · Replies 3 ·
Vector Problem: Magnitude of A+B
- deaninator
- · Replies 1 ·
Electric force between two negative charges 2.9 m apart
- ali13
- · Replies 1 ·
Why does a re-formed copper rod have a resistance of 4R instead of 2R?
- juggalomike
- · Replies 2 ·
Rotation conservation of energy
- Julie323
- · Replies 10 ·
Combining Resistors for 5W Dissipation in 10 Ohms
- miew
- · Replies 4 ·
Which direction does a horizontal spinning bike wheel precess?
- bmoore509
- · Replies 5 ·
Inelastic collision, two cars approach each other at intersection.
- IDKPhysics101
- · Replies 6 ·
Frequency and angular frequency of sinusoidal vibrations in s.h.m.
- Bugsy23
- · Replies 2 ·
How do I calculate the ratio of charges for metal sphere?
- eureka_beyond
- · Replies 3 ·
Avg force on projectile shot from cannon?
- IDKPhysics101
- · Replies 3 ·
Do the Bananas Move When the Monkey Climbs?
- moondawg
- · Replies 1 ·
I think this is a special relativity question
- psych2012
- · Replies 4 ·
How Does a Charged Speck of Dust Behave in Electric and Gravitational Fields?
- AsksQuestions
- · Replies 1 ·
Motion and Acceleration of Connected Blocks on an Inclined Plane with a Pulley
- moondawg
- · Replies 1 ·
Gravitational Field Problem - Integrate?
- Mmm_Pasta
- · Replies 2 ·
SHM in atoms question I think my textbook is wrong :0 yet again.
- The CdePster
- · Replies 2 ·
Which has a greater impact of force?
- preluderacer
- · Replies 5 ·