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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Quick Electric Potential Concept Question
- jcpwn2004
- · Replies 6 ·
Amplitude of Standing Wave in Fundamental Mode
- Thomas_
- · Replies 4 ·
Moment of Inertia Problem: Perpendicular Axes THM
- ultimateceej
- · Replies 1 ·
Apply the law of conservation of energy to an object
- annabelx4
- · Replies 2 ·
Why do lbm and lbf conversion require the gc constant?
- Altairs
- · Replies 4 ·
RMS Current Help: What is the Primary Coil's Current in a Transformer?
- BuBbLeS01
- · Replies 2 ·
What is the Kinetic Energy of an Alpha Particle Moving from Point A to Point B?
- Quincy
- · Replies 1 ·
Two blocks with different mass
- annabelx4
- · Replies 1 ·
Two Situations of Tension Same Thing?
- jwj11
- · Replies 8 ·
Block sliding down frictionless loop-the-loop from height 8R
- champ0342
- · Replies 1 ·
Forces on a slab of mass Question
- bjgawp
- · Replies 1 ·
Max height expressed with v, theta, and g
- uber_dzl
- · Replies 5 ·
How fast does the rocket leave the ramp?
- pauln
- · Replies 2 ·
Conservation of Energy cannonball
- jmwachtel
- · Replies 15 ·
Potential energy and turning points
- nightshade123
- · Replies 7 ·
Egg drop container design for 8 m fall competition
- blowe44
- · Replies 5 ·
How to derive magnitude of Electric field to this?
- Innuendo
- · Replies 1 ·
Finding period and speed of a 19 Hz wave
- mortho
- · Replies 2 ·
How Do You Calculate Spatial Separation in a Mass Spectrometer?
- URIDON81
- · Replies 1 ·
Hanging Masses and Tensions: Finding Equilibrium Angle
- c-murda
- · Replies 3 ·
Spring constant from ball dropped onto compressed spring
- Mustrdhead
- · Replies 7 ·
2 Questions: Centripetal Force related
- Thorlax402
- · Replies 1 ·
What is the Magnetic Field at the Center of a Wire with a Loop?
- feedmeister
- · Replies 2 ·
Projectile Motion, leaping the river
- rocomath
- · Replies 10 ·
Two questions, work-kinetic energy related
- BifSlamkovich
- · Replies 1 ·
Electrostatic Force of water molecule
- Goldenwind
- · Replies 3 ·
Conceptual Question: The Magnetic Field
- delecticious
- · Replies 3 ·
Momentum and Collision with a seat belt
- ankurx13
- · Replies 2 ·
Solving for Kinetic Energy Lost in Spring Gun
- TS656577
- · Replies 3 ·
How Do You Calculate the Acceleration of a Book with Angled Force and Friction?
- Lucky13ESP
- · Replies 10 ·
Firecracker explodes into three equal pieces at highest point
- cstout
- · Replies 2 ·
How Do You Calculate the Maximum Height of a Projectile Using v, Theta, and g?
- Jaramia
- · Replies 12 ·
Geometric algebra cross product
- krcmd1
- · Replies 1 ·
Long jumper's velocity and jump distance on the moon
- aLiase
- · Replies 3 ·
Find Potential at Point P: Electric Potential
- tony873004
- · Replies 3 ·
How Do You Calculate I_2 and I_4 Using Kirchoff's Rules?
- ttiger2k7
- · Replies 4 ·
Direction of field intensity .?
- <---
- · Replies 1 ·
Find the Ratio of Recoil Velocities: Blank vs Standard Cartridge
- cstout
- · Replies 5 ·
Mechanics - Gravity at 55 Degrees North
- ronny45
- · Replies 7 ·
Understanding Centripetal Force and Mass Ratios in Rotational Motion
- bpw91284
- · Replies 13 ·
Break down CaCO3 into its constituents
- rww63
- · Replies 2 ·
Rotating wheel, proving that power is proportional to square of torque
- djfusion777
- · Replies 3 ·
Velocity from electric potential
- tony873004
- · Replies 4 ·
Why Does a Bullet Gain More Kinetic Energy Than the Gun When Fired?
- alan4cult
- · Replies 1 ·
Ferris wheel speed, acceleration, and apparent weight at top and bottom
- aligass2004
- · Replies 16 ·
Simple Vector Sum Problem But My Calculated Angles Weird
- jwj11
- · Replies 6 ·
Resistance from Microscopic Ohm's law
- cse63146
- · Replies 2 ·
What Is the Constant of Proportionality in the Equation Q = K1 M?
- dranseth
- · Replies 1 ·
Oscillation:Resonant frequency in vacuum
- a150daysflood
- · Replies 1 ·
Calculating energy of a geosynchronous satellite
- mikee
- · Replies 2 ·
Why does a wire melt when too much current passes through it?
- i.am.lost
- · Replies 4 ·
Quick tangential speed question
- jj8890
- · Replies 11 ·
Spring constant k, car to rest
- len2
- · Replies 2 ·
Newton's second law and a weight and string
- rejz55
- · Replies 4 ·
Advanced 2-D Motion Problem - Bead on Wire
- Runelord
- · Replies 2 ·
How would I find the 2 unknown angles ? :P
- Maximillien
- · Replies 1 ·
What are the Units for V in Electric Potential and Volts?
- tony873004
- · Replies 4 ·
Finding Electric Field for Spherical Charge Distribution?
- jesuslovesu
- · Replies 3 ·
Tennis: Fan Height Calculation from Ball Speed
- soul5
- · Replies 2 ·
What is the force constant of the spring in a collision between two blocks?
- PhysicsOPhun
- · Replies 13 ·
Falling rod with a mass on either end
- clope023
- · Replies 4 ·
[Paper and presentation] Mechanics in Computer
- master cherundo
- · Replies 1 ·
What was the speed of the object when it was released from the table?
- Nightrider55
- · Replies 3 ·
Capacitance of a parallel plate capacitor with two dielectrics
- iamaelephant
- · Replies 2 ·
Object dropped on trampoline - Acceleration
- Below
- · Replies 2 ·
What Are the Correct Calculations for a Geosynchronous Satellite's Orbit?
- jj8890
- · Replies 3 ·
Finding tensions with translational and rotational equilibrium
- asdasdasd
- · Replies 1 ·
Two-stage rocket speed with fuel exhaustion and exhaust velocity for 6 km/s
- faller217
- · Replies 1 ·
Is a 300hp Engine Necessary for Driving Within Speed Limits?
- Sheneron
- · Replies 1 ·
How Do You Calculate Acceleration from Change in Velocity and Time?
- chocolatelover
- · Replies 20 ·
Calculating Work and Kinetic Energy in a Vertical Helicopter Lift
- shenwei1988
- · Replies 4 ·
Electric field work physics problem
- Gear300
- · Replies 8 ·
Calculating Work to Pull a Skier Up a Slope at Constant Speed
- Sheneron
- · Replies 2 ·
Finding the Coefficient of Kinetic Friction for a Sliding Baseball Player
- TheBurningMan
- · Replies 3 ·
Electric Circuits (resolving them)
- bobnojio
- · Replies 1 ·
Solve Free Body Diagrams: Tension, Gravitational, Equations
- MagLok
- · Replies 3 ·
Rolling motion including torque and acceleration
- XxBollWeevilx
- · Replies 2 ·
Conservation of Mechanical Energy in rope swing
- physicsma1391
- · Replies 1 ·
Kinetic Energy and Work Energy Theorem
- just.karl
- · Replies 2 ·
Distance a rocket travels on a launch ramp
- clope023
- · Replies 1 ·
Magnetic torque on sphere on inclined plane
- eagleswings
- · Replies 1 ·
Magnetic plus gravitation force
- eagleswings
- · Replies 2 ·
How to Find Original Speed and Acceleration of a Truck Slowing Down
- chocolatelover
- · Replies 9 ·
Finding the Magnitudes of Charges in a Rectangle Using Electric Field Analysis
- ToyMachine
- · Replies 3 ·
Angular momentum and collisions
- XxBollWeevilx
- · Replies 10 ·
Charge on 70 pF capacitor after parallel connection to charged 40 pF capacitor
- soccerj17
- · Replies 3 ·
Where Is the Gravity Crossover Point Between Earth and the Moon?
- AhmadG
- · Replies 1 ·
The peak frequency of solar radiation?
- zachcumer
- · Replies 12 ·
Solving a QB's Claim: Determining Speed of a Football Throw
- gmunoz18
- · Replies 1 ·
How Are Forces Equal and Opposite in a Moving System?
- Dahaka
- · Replies 10 ·
What force gives me this impulse?
- Nightrider55
- · Replies 1 ·
What is the angular momentum of a falling ball about a point on a flagpole?
- XxBollWeevilx
- · Replies 3 ·
Air speed in straw and water height from Bernoulli's principle
- ruffkilla
- · Replies 9 ·
Relating T² = (0.10K)d² + 0.042Km to y = mx + c
- _Mayday_
- · Replies 9 ·
Impulse with a triangular force profile on a gun
- mattgad
- · Replies 4 ·
Centripetal merry-go-round problem
- wegman14
- · Replies 4 ·
Proving Constant Acceleration's Impact on Average Velocity
- chocolatelover
- · Replies 4 ·
How Can I Solve for k in the Equation v = d√(k/m)?
- PhysicsOPhun
- · Replies 1 ·
Finding initial speed for 169 m football throw at 30 degrees
- gmunoz18
- · Replies 11 ·
How Does Voltage Influence Electron Motion in a Magnetic Field?
- xxkylexx
- · Replies 3 ·