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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Using Normal Force on inclined plane vs banked curve
- Rick4
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Block, Ramp, Friction, and Spring Due Tomorrow
- rgalvan2
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How Does the Volume of a Diver's Exhaled Bubble Change from Deep Sea to Surface?
- latitude
- · Replies 3 ·
Mechanical Energy Lost In A One-dimensional Collision
- NoPhysicsGenius
- · Replies 3 ·
Maximum weight of block m2 for which block m1 will remain at rest
- shimizua
- · Replies 20 ·
Spring Compression and block of mass
- Husker70
- · Replies 5 ·
Speed with which m must move for M to stay at rest
- shimizua
- · Replies 11 ·
Acceleration of a box pulled up a ramp with friction
- M4573R
- · Replies 3 ·
Solving Newtons Cooling Law: LnT = -kt +LnC
- xlgurulx
- · Replies 1 ·
How Do You Apply the Phasor Method to Add Sinusoidal Functions?
- Aeighme
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Finding block volume from scale readings in water and alcohol
- mwharrell
- · Replies 2 ·
Adjacent Blocks: What is the mag of the force due m1 on m2?
- raven2783
- · Replies 8 ·
Coefficient of friction for 1 kg hanging mass pulling 0.1487 kg on table
- Lawcheehung
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Do two 100g masses exert equal force on a spring scale with a pulley?
- keemosabi
- · Replies 10 ·
What is the Orbital Period of Mars in Earth Years?
- HelloMotto
- · Replies 3 ·
Angle for eggs to slide on Teflon with μs = 0.05
- NYbikerkid
- · Replies 1 ·
Work to compress a gas (constant external pressure)
- 1drdan
- · Replies 1 ·
Get equation for velocity of a satellite
- rcrx
- · Replies 1 ·
Contact Forces Question(s) part 2
- Inertialforce
- · Replies 2 ·
Uniform circular motion on a table
- cj3
- · Replies 3 ·
Conservation of Energy Ball Problem
- clairez93
- · Replies 1 ·
Calculating Applied Force in an Accelerating Elevator
- anubis01
- · Replies 2 ·
How Fast Was the Bullet Before Striking the Block?
- ritwik06
- · Replies 3 ·
Mechanical Energy of Particle in Horizontal Circle
- ritwik06
- · Replies 2 ·
How Does Distance Affect Electric Field Calculation Above a Charged Sheet?
- gnarkil
- · Replies 6 ·
Window Washer Pulling on Cable: Dynamics Analysis
- jnimagine
- · Replies 1 ·
Solving Speed of Train on Curve of Radius 235m
- sugarntwiligh
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When Do Objects Collide and Have the Same Speed?
- jumbogala
- · Replies 11 ·
Finding magnitude A from a vector component equation
- MarXphysics
- · Replies 6 ·
How Is the Orbital Period of a Chunk of Ice Calculated in Saturn-like Rings?
- sugarntwiligh
- · Replies 2 ·
Normal force on box being pushed on 30° incline
- raven2783
- · Replies 1 ·
Calculating Surface Charge Density
- angryshoe
- · Replies 1 ·
Friction force in two-block pulley system
- blayman5
- · Replies 2 ·
What is the Acceleration of a Skydiver with Air Resistance?
- shimizua
- · Replies 3 ·
Transformers and induced current
- _Mayday_
- · Replies 3 ·
Calculating Coefficient of Friction on Inclined Surface
- Inertialforce
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Understanding Newton's Laws through an Experiment on Uniform Circular Motion
- tornzaer
- · Replies 3 ·
Contact Forces in Three-Block System
- Inertialforce
- · Replies 2 ·
What is the efficiency of MIT's organic solar concentrators?
- Feldoh
- · Replies 2 ·
Rocket Lab @ Angles: Predicting Distance of Launch
- Hellsing834
- · Replies 5 ·
Spring force problem with image attachment
- dsptl
- · Replies 14 ·
How to Calculate Force of Tension and Theta?
- temaire
- · Replies 2 ·
What Is Her Apparent Weight in a Decelerating Elevator?
- shimizua
- · Replies 3 ·
What is the Mass of the Block in a Ballistic Pendulum Collision?
- johndoe14
- · Replies 4 ·
What Is the Acceleration of a Towed Glider?
- Mitchtwitchita
- · Replies 2 ·
Newton's Third Law hot air balloon
- Mitchtwitchita
- · Replies 8 ·
Required torque to accelerate a disk of a certain mass
- Sum1
- · Replies 3 ·
Work done lifting a 500 kg elevator 50 m
- dsptl
- · Replies 5 ·
Measurement of g with a free falling plummet
- bravehart
- · Replies 4 ·
Throwing a Coin: Calculating the Distance
- pivu0
- · Replies 9 ·
Resistor Math Problem: Finding Equivalent Resistance in Series and Parallel
- Ithryndil
- · Replies 5 ·
Solving the Centre of Mass Shift When Ice Melts
- ritwik06
- · Replies 2 ·
Roulette ball trajectory (after impact)
- Alin
- · Replies 2 ·
Magnetic Field and potential difference
- strawberrysk8
- · Replies 4 ·
Flux through sphere from six point charges using Gauss's law
- Kyho
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How does doubling the bow force affect the arrow's exit speed?
- Nivlac2425
- · Replies 8 ·
Why does kinetic friction make a crate accelerate backwards on an accelerating truck?
- healthfreak
- · Replies 2 ·
Maximum torque on an electric motor
- Dione
- · Replies 1 ·
How Do Current and Voltage Divide in Different Branches of a Circuit?
- Ithryndil
- · Replies 2 ·
Relative Motion of a hockey player
- wallace13
- · Replies 1 ·
Determining Maximum bending moment via shear force diagram
- Tom McCurdy
- · Replies 2 ·
2D Motion with a missle/engines
- wallace13
- · Replies 1 ·
How Long Does It Take for a Patrol Car to Catch a Speeder?
- kinematics23
- · Replies 1 ·
Pivoting Cylinder Homework: Find Angular Acceleration
- gonzalo12345
- · Replies 1 ·
Mass on 41° slope with compressed spring: elastic potential energy
- portuwhat
- · Replies 1 ·
Elevator going down and you drop a book
- kmiller
- · Replies 1 ·
Help Me Understand: Homework on Tennis Ball Motion
- whyorwhynot
- · Replies 1 ·
Vector Addition using coordinates
- jumbogala
- · Replies 1 ·
Conceptual Projectile Motion Question
- wallace13
- · Replies 1 ·
Plane arresting cables and car engine efficiency problems
- bubba640
- · Replies 3 ·
How can the impulse of a bouncing ball be calculated?
- geo321
- · Replies 1 ·
What is the Net Force on a Helicopter at 5 Seconds?
- xmflea
- · Replies 1 ·
Does a suspended block in water increase the scale reading?
- jason_r
- · Replies 1 ·
Inclined Plane Inside an Elevator
- rwx1606
- · Replies 5 ·
Work done by spring when pulling a mass upward
- Spartan Erik
- · Replies 1 ·
Find Time: Solving Kinematic Equations for Baseball Motion
- czlu
- · Replies 2 ·
How Is Work Calculated in an Elevator Physics Problem?
- ctpengage
- · Replies 4 ·
What Angle Causes the Fishing Line to Break with a 1.95 kg Ball?
- finlejb
- · Replies 5 ·
What is the acceleration of a pendulum at its maximum deflection?
- southernbelle
- · Replies 10 ·
Finding Position of Simple Harmonic Oscillator
- Andrusko
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How Does a Charged Glass Ball Polarize a Neutral Metal Foil?
- bcjochim07
- · Replies 1 ·
Parallel Wires: Force per Unit Length Calculation
- Kris1120
- · Replies 3 ·
Calculating Torque on a Circular Loop in an External Magnetic Field
- Kris1120
- · Replies 2 ·
A ball being dropped and bouncing back up?
- needlottahelp
- · Replies 6 ·
How Far Does the Ball Travel After the String Is Cut?
- Lamnia
- · Replies 3 ·
Finding magnetic flux-it's all worked, just have one question
- crh
- · Replies 1 ·
Work Done on Cart on Incline+Rest
- Spartan Erik
- · Replies 1 ·
Velocity, acceleration, displacement
- rphung
- · Replies 3 ·
How High Above the Window Does the Flowerpot Go?
- eelshaikh
- · Replies 7 ·
How much charge will flow from the battery?
- gillyr2
- · Replies 4 ·
Creating a Position vs. Time Graph for a Moving Car
- swede5670
- · Replies 12 ·
What is the Tension in the 37-Degree Cable Holding a 4000kg Wrecking Ball?
- xmflea
- · Replies 6 ·
Calculate Magnitude of Gravitational Force on One Sphere
- sugarntwiligh
- · Replies 5 ·
Gauss' Law - Sphere with spherical cavity
- SilverGirl
- · Replies 16 ·
A rock is thrown off of a cliff
- Gustason
- · Replies 7 ·
Ideal Spring, Spring Constant, Equilibrium Length
- Spartan Erik
- · Replies 1 ·
What Is Major Jones's Recoil Speed in Zero Gravity?
- Spartan Erik
- · Replies 1 ·
What motion occurs when a distance vs. time graph has zero slope?
- Jayman
- · Replies 2 ·
Building a car without a mousetrap i'm desperate
- kailey
- · Replies 4 ·
How long does it take for a signal to reach a moving spaceship at 0.866c?
- vysis
- · Replies 5 ·