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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Projectile launch at elevated height on angle
- rahrahrah1
- · Replies 4 ·
Rectilinear Motion: Solving for t=0 Velocity
- xzibition8612
- · Replies 4 ·
Two point charges. Given one find the other?
- afrocod
- · Replies 6 ·
Derivation of angular frequency equation
- AToMic93
- · Replies 6 ·
Finding Angular Velocity After Inelastic Impact with Rough Step
- nik jain
- · Replies 14 ·
Mechanical Problem: Calculating Car Velocity at Time 0 & 5 m/s
- Fabio010
- · Replies 7 ·
Understanding the Virtual Earth Approximation in Op-Amps
- gabloammar
- · Replies 1 ·
Astrophysics: Magnitude of sun when Jupiter crosses over it.
- Xyius
- · Replies 3 ·
Circuit with capacitors and inductors
- eurekameh
- · Replies 7 ·
Rotational energy of an object.
- chingel
- · Replies 8 ·
Impulse and momentum in an inelastic collision
- runner2392
- · Replies 1 ·
Covert to Watts, Input and Output Values provided, Covert it to Watts
- raokhan
- · Replies 1 ·
Simple proportionality question
- hmvince
- · Replies 4 ·
Force and Torque exerted on a dipole system from a point charge
- binbagsss
- · Replies 1 ·
Electric field exerted at P due to a non-conducting disk
- binbagsss
- · Replies 2 ·
Snell's Law, indices of refraction
- monke
- · Replies 6 ·
Solving LC Circuits: Time Interval Between Max Current & Voltage
- mm2424
- · Replies 5 ·
Image formation with a convex mirror
- monke
- · Replies 1 ·
Understanding Phase Differences in Sinusoidal Waveforms
- pyroknife
- · Replies 1 ·
Power, electricity, multiple choice Q
- chiddler
- · Replies 9 ·
Calculating Resistance in an RC Circuit: A Time Constant Conundrum
- QuarkCharmer
- · Replies 4 ·
What is the value of R3 in the circuit given?
- s0mebody
- · Replies 7 ·
Mass of Earth: Homework Solutions & Equations
- nesan
- · Replies 2 ·
Determine the maximum tension in the pendulum rod
- nesan
- · Replies 2 ·
AP Physics Multiple Choice Question
- girlphysics
- · Replies 8 ·
Electron accelerated through a potential difference of 26000
- iancurtis
- · Replies 4 ·
Need help with transfer orbit time period
- HoboMoo
- · Replies 3 ·
Power concept related to gravity, constant speed, and air resistance
- Jmedz4nights
- · Replies 4 ·
Forces Acting on a Rod in Empty Space: Motion & Kinetic Energy
- HelloWorld2
- · Replies 2 ·
Transverse waves on pulley - question
- 3psilon
- · Replies 3 ·
Two-Dimensional Motion and Vectors
- eaglesfan94
- · Replies 1 ·
How Many Bulbs Are Connected to Match Internal Resistance Voltage Drop?
- Biosyn
- · Replies 5 ·
Faraday's Law of Induction: Why is EMF Inversely Proportional to Time?
- Em713
- · Replies 1 ·
Calculating Tension of a bob moving in horizontal circles
- junkie_ball
- · Replies 2 ·
Bernoulli's equation book problem
- bobsmith76
- · Replies 8 ·
How Can Kepler's 3rd Law and Related Equations Be Applied to Orbital Mechanics?
- forestmine
- · Replies 6 ·
How Does Friction Affect the Acceleration in a Pulley System?
- algar32
- · Replies 3 ·
Finding Velocity from Acceleration
- alex_b93
- · Replies 15 ·
Find Max Speed Before String Breaks for 6 kg Rock on Rope
- TheronSimon
- · Replies 2 ·
Argument: stiffness of divided spring + angle of evaluation
- springsvt
- · Replies 10 ·
Calculating resistance force parallel to a slope
- laurence_1
- · Replies 1 ·
Circular motion. Uniform and accelerating. (Bridge)
- EVriderDK
- · Replies 10 ·
Cons. of Energy, momentum ,and impact.
- pyroknife
- · Replies 2 ·
: Finding Mechanical Energy, Velocity, and Height
- hueyosie
- · Replies 4 ·
Angular acceleration problem / 99% sure I'm doing right but getting wrong answer
- sweetpete28
- · Replies 1 ·
Electric Current as a function of time
- jmuduke
- · Replies 3 ·
Projectile motion, missed two weeks, fell behind, no book, Please help Thank you
- Bearman94
- · Replies 3 ·
Spring with a mass at an angle, need original length of spring
- 2Dark4u
- · Replies 4 ·
Finding period of revolution of an electron (fairly )?
- Sean1218
- · Replies 2 ·
Inelastic Collision of 2 Carts - Displacement
- testme
- · Replies 1 ·
Magnetic Field of a Thin Conducting Plate
- dww52
- · Replies 3 ·
Insect wing physics? Average force?
- algar32
- · Replies 23 ·
Pully with 2 blocks friction question
- algar32
- · Replies 2 ·
Collision Question dealing with Spring Compression
- chubbyorphan
- · Replies 2 ·
Calculating Acceleration in a Kinetic Friction System
- algar32
- · Replies 25 ·
How Do Displacement and Distance Differ in Particle Motion Calculations?
- xzibition8612
- · Replies 16 ·
Multiple Pulleys and Masses with Friction
- Wara
- · Replies 1 ·
A 6v battery charges up a 470 microfarad capacitor in 1 second
- lionman
- · Replies 18 ·
Special Relativity Question (for a paper)
- NotAName
- · Replies 3 ·
Block Movement Dynamics: Solving for Time, Acceleration, and Distance
- Preach99
- · Replies 1 ·
Dynamics - Object Sliding Along A Frictionless Wall
- yoft
- · Replies 12 ·
Solving A-B-C Ship Journey with Motorboat
- jiboom
- · Replies 4 ·
Average Acceleration of a Fly on a Rotating Hand
- TheronSimon
- · Replies 13 ·
Conservation of linear momentum problem
- Ashu2912
- · Replies 2 ·
How Does Firing a Cannonball Affect the Cannon's Velocity?
- chubbyorphan
- · Replies 2 ·
Near and far points with contact lenses
- grouper
- · Replies 2 ·
Spring Question Elastic Potential and Kinetic Energy
- chubbyorphan
- · Replies 4 ·
Can Frequency Influence Circular Motion and Centripetal Force?
- MohammadG
- · Replies 7 ·
Minimum amount of friction in a turn
- TheronSimon
- · Replies 8 ·
Calculating the time required for the cooking robot to flip an object
- Persona
- · Replies 1 ·
How thick is the frozen layer of ice on top of a pond?
- nik jain
- · Replies 7 ·
Calculating Initial Speed of a Projectile Using Gravity, Height, and Range
- nobodyuknow
- · Replies 2 ·
Projectile motion equation stuck downwards velocity and angle
- emvizzle
- · Replies 1 ·
Where Should You Aim in a Feather Drop Archery Event?
- JuliusDarius
- · Replies 16 ·
Given force equation, solve for work.
- bfusco
- · Replies 3 ·
Ice cube melting, solving for Initial Temp of Ice.
- Skeetss
- · Replies 3 ·
Calculate the energy density of the Earth's atmosphere
- phystudent515
- · Replies 3 ·
How to Find the Force at the End of a Toggle Clamp Arm?
- mathuria1986
- · Replies 3 ·
Motors and Generators equation help?
- emvizzle
- · Replies 2 ·
Solve Kinematic Problems: Tips & Advice
- HWGXX7
- · Replies 2 ·
There is another formula of force which is mentioned in our textbook
- Dragsd
- · Replies 1 ·
How Does Entropy Influence Final Temperature in Gas Mixtures?
- roam
- · Replies 4 ·
Equivalent capacitance in series/parallel
- exi
- · Replies 7 ·
Conservation of Energy of a sled
- chubbyorphan
- · Replies 6 ·
In a physics lab experiment, a compressed spring launches
- Bigworldjust
- · Replies 17 ·
Finding How Far From the Ground an Object Hits Another
- Giygas72
- · Replies 2 ·
Finding out if work is done with between two points with same electric potential
- ehsan23
- · Replies 3 ·
What Is the Rate of Change of the Magnetic Field in This Circuit?
- aokidopi
- · Replies 14 ·
Circuits: What does the voltmeter read?
- Andy13
- · Replies 3 ·
Bungie jumper jumps of cliff. (Energy)
- bfusco
- · Replies 2 ·
Magnetic Flux through solenoid question
- TDean2010
- · Replies 2 ·
Why Is There a Reaction Force in the Upper Pulley but Not in System 1?
- jeremy222
- · Replies 3 ·
You have a fine wire with a cross sectional area of 9.4×10−10 m2
- Snape1830
- · Replies 14 ·
What is the Average Force Required to Climb a Slope at Constant Speed?
- wow22
- · Replies 2 ·
Resistors: Series/Parallel Current/Voltage Rules
- spock9000
- · Replies 1 ·
Relationship Between Kinetic Friction and Mechanical Energy
- velouria131
- · Replies 6 ·
Thermodynamics: Calculating Entropy Change for Mixing Streams
- roam
- · Replies 9 ·
Calculating Amperes for converging electrical pathway
- Obama
- · Replies 7 ·
Energy stored in an inductor of an LR circuit
- OmegaFury
- · Replies 2 ·
Sum of two waves & wave equation
- DeIdeal
- · Replies 1 ·