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 You Calculate Speed and Force in Skier Physics Problems?
- emeraldempres
- · Replies 10 ·
What is the Normal Force on a 16.2 kg Object Being Pulled with 10.2N Force?
- blue__boy
- · Replies 3 ·
Calculate Rotational Force of 105 kg Bag Displaced 1m
- emeraldempres
- · Replies 5 ·
Finding the change in Rotational Kinetic Energy
- crazyog
- · Replies 7 ·
Solve Transverse Speed Q: Part C & D
- roam
- · Replies 1 ·
Changing Potential Energy of a Magnetic Coil
- clope023
- · Replies 3 ·
What is the Conservation of Energy in a Car Braking on an Icy Road?
- dralion87
- · Replies 27 ·
How Much Is a Charged Bullet Deflected by Earth's Magnetic Field?
- ts174ab2
- · Replies 3 ·
Electrical Field Theory and Tension In A String
- Jessehk
- · Replies 5 ·
How can I calculate the angle of an airplane's wings during a circular motion?
- Thiendrah
- · Replies 3 ·
Finding angular frewuency of the oscillator
- crazyog
- · Replies 1 ·
Why Does a Floating Block Displace Water Equal to Its Weight?
- get_physical
- · Replies 5 ·
Why Does an Electron Slow Down Near a Charge?
- Laurie01
- · Replies 2 ·
Calculating Force on Pressure Cooker Lid with Changing Temperature
- CurtisB
- · Replies 7 ·
A plane flies 457 km east from city A to city B
- goaliejoe35
- · Replies 3 ·
Calculating Potential Energy of a Spring with a Hanging Mass
- emeraldempres
- · Replies 11 ·
How far beyond the fence does the ball strike the ground?
- goaliejoe35
- · Replies 25 ·
Transverse displacement, tricky MC
- K3nt70
- · Replies 2 ·
What is the displacement of the car from the point of origin?
- ace123
- · Replies 8 ·
Understanding PV Diagrams and Temperature Changes in Ideal Gases
- get_physical
- · Replies 4 ·
Friction Questions: Explaining Static Friction & How it Relates to Walking
- indoguy427
- · Replies 1 ·
Calculating Avg Velocity of Car in Rural Rally
- catherines
- · Replies 2 ·
Solving a Puzzling Physics Problem: Average Retarding Force
- nukengr10
- · Replies 8 ·
Acceleration due to gravity help
- sheevz
- · Replies 3 ·
What angles can a tank aim at to hit a target on a mountain 10km away?
- devanlevin
- · Replies 2 ·
How Do You Solve an ODE for a Particle Under Gravity and Retarding Force?
- loonychune
- · Replies 2 ·
Tangent Help: Expert Solutions for Your Queries
- ritwik06
- · Replies 19 ·
Negative Mechanical Energy of a Body: Electron in 1st Orbit of H Atom
- ritwik06
- · Replies 3 ·
Ice melting in water over time?
- gillwoman
- · Replies 6 ·
Why Does a Satellite's Speed Increase as It Moves Closer to Earth?
- sheevz
- · Replies 1 ·
How does potential energy relate to work and forces in a lifting elevator?
- LuGoBi
- · Replies 19 ·
What is the wagon's displacement when t=7.0s?
- catherines
- · Replies 4 ·
Concept Question - Understanding Momentum Conservation in Collisions
- LHC
- · Replies 6 ·
Concept Question about Excitation of Atoms
- LHC
- · Replies 1 ·
Can You Help Solve This Physics Equation Transformation?
- Pentagram
- · Replies 4 ·
Why does the acceleration differ using two kinematic methods for stopping distance?
- habibclan
- · Replies 2 ·
Discover Answers to Common Physics Questions on Yahoo Answers
- spldbrt89l
- · Replies 1 ·
Motion along a line due to a constant net force
- .NoStyle
- · Replies 9 ·
What is the Initial Velocity and Angle of a Golf Ball Passing Over a 20m Tree?
- devanlevin
- · Replies 3 ·
Brass Wire Wave Speed Calculation
- K3nt70
- · Replies 3 ·
Co-efficient of Static Friction Question
- Sabellic
- · Replies 1 ·
Solving Force in a Stretched Rope: Applying Hooke's Law
- Paul L
- · Replies 9 ·
Calculating Particle Travel Time in Solid Sphere Under Gravity
- foxjwill
- · Replies 8 ·
Calculating Electric Flux for a Point Charge in a Cube
- K3nt70
- · Replies 2 ·
Sphere On Incline (Rotational Kinematics and Energy)
- Pat2666
- · Replies 2 ·
Calculating Electric Field in Water-Filled Container: What is the Best Method?
- LuGoBi
- · Replies 5 ·
How was the max deflection formula derived?
- Amy54
- · Replies 2 ·
Two Blocks and Pulley (Rotational Statics & Dynamics)
- Pat2666
- · Replies 5 ·
Compression and Tension Formulas
- Amy54
- · Replies 1 ·
Calculate Distance of Man Walking on Plank Before Tipping
- ramalik
- · Replies 4 ·
Electric Field Due To a Rectangular Charged Wire
- nikkou
- · Replies 21 ·
Calculate Efficiency of 10.0 kW Motor for 8.5 kg Elevator
- petuniac
- · Replies 7 ·
Significant Digits for Longer Operations
- jwj11
- · Replies 1 ·
How can I determine the center of mass of a vehicle?
- Altairs
- · Replies 70 ·
Find Final Kinetic Energy of 3.00kg Object
- suppy123
- · Replies 5 ·
Solving Kinematics: Finding the Angle for a Cannon Shooting at 400m/s
- devanlevin
- · Replies 13 ·
Sum of the energies of the two photons
- badwallpaper0
- · Replies 1 ·
Some trouble with my force calculations
- big_d
- · Replies 13 ·
Projectile Motion in 2D: Solving for Unknown Angles and Speeds
- dragon513
- · Replies 6 ·
Force Dynamics and Static Friction
- jwj11
- · Replies 4 ·
Batteries in circuit, terminal voltage
- scholio
- · Replies 1 ·
Solving E&M Homework Problem: Find Force on 3rd Charge
- badirishluck
- · Replies 8 ·
Gauss' Law using linear charge density
- catie1981
- · Replies 10 ·
Child's Displacement on Cubical Jungle Gym: Solving the Problem
- c4iscool
- · Replies 1 ·
Copper resistance thermometer - temperature
- scholio
- · Replies 3 ·
Resistor circuit, potential drop and time
- scholio
- · Replies 1 ·
How Much Heat Is Needed to Convert 1 kg of Ice at -100°C to Steam at 100°C?
- Ignition
- · Replies 1 ·
What is the Shortest Path for a Fly to Walk Around a Room?
- goaliejoe35
- · Replies 2 ·
Deriving Electric Charge: Line, Ring, Cylinder, Cone, Sphere & Shell
- Chris W
- · Replies 4 ·
Linear angular wheel inertia mass problem
- greg997
- · Replies 18 ·
Ice Cube Floating: Help with Bouyancy Question!
- habibclan
- · Replies 7 ·
Missing minus sign - Motional EMF
- Nick89
- · Replies 1 ·
Calculate Velocity of C Rotating About A Axis
- jesuslovesu
- · Replies 2 ·
I need some e-books about Mechanics
- Kalindu
- · Replies 2 ·
How Do You Calculate the Impact Point of a Projectile Released from an Aircraft?
- crays
- · Replies 25 ·
GCSE exams soon. with some revision.
- Blackout-Bill
- · Replies 4 ·
Reading a Force vs Time graph to get distance?
- ceziacrowe
- · Replies 3 ·
Problem i have the answer to, but need the formula
- tommy1
- · Replies 4 ·
Capacitances and Potential Difference.
- WiFO215
- · Replies 3 ·
What is the internal resistance of the battery?
- scholio
- · Replies 1 ·
Determining current from charge function
- scholio
- · Replies 7 ·
Capacitor circuit, time for current to drop
- scholio
- · Replies 2 ·
Cylindrical bar of copper - current, resistance
- scholio
- · Replies 7 ·
Calculate Angular Acceleration of Rotational Motion: 4.9rev in 1s
- islanderman7
- · Replies 2 ·
What is the correct angle for a vector with components (-3.18m)i and (4.73m)j?
- goaliejoe35
- · Replies 4 ·
Acceleration in Ecuador (Yet Another With Linear And Rotational Quantites)
- Pat2666
- · Replies 2 ·
How Does Time Affect Electrical Measurements in a Circuit?
- scholio
- · Replies 15 ·
Acceleration Of Tennis Racket (Linear And Rotational Quantites)
- Pat2666
- · Replies 4 ·
Asteroid Cooling: Solving Internal Temp & Cooling Rate for Radius
- Kreizhn
- · Replies 5 ·
Magnetic fields and induced EMF
- Sabrina_18
- · Replies 1 ·
How Does an Asteroid's Radius Affect Its Cooling Rate?
- gotbrackets?
- · Replies 2 ·
Unknown mass on a pulley system - Help
- dazedconfused
- · Replies 3 ·
Stopping Rotation of Space Capsule: How Long Do the Jets Need to Run?
- Vanessa23
- · Replies 4 ·
Lifting Baby Safely: Calculating Tension in Backbone
- bec2008
- · Replies 2 ·
Electromagnetic Induction and aircraft wing
- Sabrina_18
- · Replies 1 ·
Why Do Light Bulbs Blow When You Turn Them On?
- _Muddy_
- · Replies 4 ·
Final velocity for launched ball
- bigdaddy
- · Replies 13 ·
What is the weight of the beam?
- looi76
- · Replies 2 ·
Forces Acting on Person Standing at Earth's Equator
- forty
- · Replies 3 ·