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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Ball decelerating on impact: deceleration rate and floor force
- drsponge
- · Replies 6 ·
Addition of grav potentials / Orbital velocity
- ValarDohaeris
- · Replies 4 ·
Mass to add to hanging weight for 47 kg on 25° incline to start moving
- dani123
- · Replies 4 ·
Hydrogen compressor outlet temperature for adiabatic and polytropic compression
- bianca1992
- · Replies 9 ·
Solving the Rock's Final Velocity Off a 33m Cliff
- AddversitY
- · Replies 11 ·
How Do You Calculate Tension and Compression Forces in Physics?
- dani123
- · Replies 5 ·
Calculating Centripetal Force for 6 kg Object
- John78
- · Replies 7 ·
Angular vel. and mom.-origins vs. axes
- TomServo
- · Replies 1 ·
How Do Magnetic Forces Affect Parallel Wires and Moving Protons?
- pyradell
- · Replies 1 ·
Slipping on Rainy Days: The Impact of Footwear on Tiled Floors
- mala06
- · Replies 4 ·
Finding Resistance of a Voltmeter
- thiefjack
- · Replies 1 ·
Confirming Answers for Oscillating Mass on a Spring
- domyy
- · Replies 14 ·
Dynamics, dependent motion analysis
- mathmannn
- · Replies 2 ·
Magnetic Force in a Current Carrying Wire
- creemore
- · Replies 1 ·
Momentum and Energy and Galilean Relativity
- Red Rubbie
- · Replies 1 ·
Finding velocity and work involving friction Work Energy
- AddversitY
- · Replies 9 ·
Circuit With Three Batteries Two Resistors
- shannonbe
- · Replies 6 ·
Does charge remain on a capacitor after disconnecting the battery?
- xchococatx
- · Replies 3 ·
Finding the magnitude of the magnetic field of a moving point charge
- OmegaFury
- · Replies 5 ·
How Do You Calculate the Moment of Inertia for a Rotating Wheel?
- applemilk
- · Replies 3 ·
Rolling, Torque, and Angular Momentum
- ranjaxt2012
- · Replies 1 ·
What Is the Nature of Motion If Displacement is Proportional to Time Squared?
- mala06
- · Replies 1 ·
Calculate the magnitude of the magnetic field
- superjose
- · Replies 1 ·
Grand partition function for helium absorption on a metal surface
- Lyons_63
- · Replies 1 ·
Infinite-distance object lens depiction
- Yipyioh
- · Replies 1 ·
Launching a Potato with a Spring: Solving for the Spring Constant
- OnceKnown
- · Replies 5 ·
Work to push a 600-kg crate up a 3m ramp at constant speed
- dani123
- · Replies 4 ·
What would my uncertainty be with these 2 values?
- nukeman
- · Replies 2 ·
Snapshot and history graphs for a string under tension (drive mechanism)
- visharad
- · Replies 2 ·
Mechanical Waves On a String - Speed, Amplitude, and Power
- Nickg140143
- · Replies 1 ·
Kinematics - calculating acceleration
- TheronSimon
- · Replies 9 ·
Finding displacement from variable acceleration
- TPHughes
- · Replies 1 ·
Lifeguard swimming across a river with current
- TheronSimon
- · Replies 5 ·
Comparison of Net Electric Force on a +q
- alever
- · Replies 9 ·
How is energy lost to heat calculated?
- AddversitY
- · Replies 4 ·
Bottle half filled with water rolling down an incline
- shoeman
- · Replies 1 ·
Total internal reflection at hypotenuse in 45-45-90 prism
- kthejohnster
- · Replies 2 ·
What is the Speed and Angle of a Comet Crossing Earth's Orbit?
- Sekonda
- · Replies 5 ·
Is the Flow Laminar or Turbulent? Determining with Reynolds Number
- joe98
- · Replies 1 ·
Inductor considered as a broken wire.
- Sefrez
- · Replies 3 ·
What is the Correct Equation for Deviation by a Thin Prism?
- shr
- · Replies 2 ·
Quantum Mechanics: Understanding Probability and Current Flow
- physicsjock
- · Replies 1 ·
Statics: System in equilibrium - determine height (h)
- gate13
- · Replies 2 ·
Transient heat conduction in a slab
- Igloo_Boobs
- · Replies 2 ·
Magnitude of tension force using moment
- kleeds
- · Replies 1 ·
Finding the angle between two vectors given sum and difference magnitudes
- I_noscopedJFK
- · Replies 1 ·
Calculating Average Acceleration in Terms of g's for a Car Collision
- Axarotiti
- · Replies 1 ·
Approximation of distance to a Type Ia
- SHISHKABOB
- · Replies 4 ·
Tension in a rope connecting charged spheres.
- -Dragoon-
- · Replies 1 ·
Tension of wires holding a suspended sign in equilibrium
- tigerlily5709
- · Replies 1 ·
Magnitude of changing magnetic field
- likthem
- · Replies 1 ·
Work Energy Theorem A Baseball thrown from a roof
- MissEuropa
- · Replies 6 ·
Distance away to create the same magnetic field strength?
- conov3
- · Replies 2 ·
How Much Work Does Alice Do in Pushing Jeff Up the Ramp?
- stoich
- · Replies 5 ·
Calculating Work for a Dipole: 90J
- HenryHH
- · Replies 1 ·
Roller Coaster Physics- Determining the highest point's height
- angelbonnet
- · Replies 4 ·
Moment vector expression to magnitude of moment
- kleeds
- · Replies 4 ·
Calculating forces using point charges.
- ninerx
- · Replies 1 ·
Rectilinear motion (displacement, position) calculus
- xzibition8612
- · Replies 5 ·
Conceptual Question For Vectors
- willmac
- · Replies 3 ·
What Speed and Angle Does m2 Leave After Collision?
- texan14
- · Replies 1 ·
Why Is Heat Capacity at Constant Pressure Independent of Pressure?
- aaaa202
- · Replies 1 ·
Calculating Swinger Mass with Limited Information
- 1MileCrash
- · Replies 1 ·
Uniform Rod Pendulum - Lagrangian and Equations of Motion
- urkirsty
- · Replies 9 ·
What is the surface charge density?
- s0mebody
- · Replies 3 ·
Collisions and relative energy loss
- dbakg00
- · Replies 1 ·
How long does it take for the police car to overtake the speeding car?
- xzibition8612
- · Replies 1 ·
What Are the Limits for Calculating the Radial Electric Field Potential?
- chris_avfc
- · Replies 2 ·
Derive expression for induced voltage and current
- hopkinmn
- · Replies 1 ·
Kinematics of a point in rectilinear motion
- xzibition8612
- · Replies 4 ·
Kinetic friction on an incline.
- algar32
- · Replies 17 ·
Fluid flow rate lab- with analysis
- poofa93
- · Replies 1 ·
Satellite Hohmann transfer problem
- Sekonda
- · Replies 7 ·
Gravitational potential energy concept question
- Mdhiggenz
- · Replies 1 ·
Calculating Potential Difference in Parallel and Series Capacitor Combinations
- sodaboy7
- · Replies 17 ·
Magnetic Force Experienced by a Loop of Wire
- acedeno
- · Replies 20 ·
Calculate Tension in 5m String Attached to 4kg Bob
- John78
- · Replies 5 ·
Particle Accelerator problem with a proton beam hitting a target
- OmegaFury
- · Replies 8 ·
Outward radial motion in unbanked turn
- jason.farnon
- · Replies 34 ·
Solving Algebra: How do we go from 1 to 2?
- jimmy42
- · Replies 1 ·
Resolving force F1 into components along u and v axes
- savva
- · Replies 4 ·
Derivation of simple pendulum formula
- physicsgal10
- · Replies 1 ·
Changing A,B,C and D Beams to Chain for Perfect System Performance
- zizodev
- · Replies 8 ·
Astronomy - Hohmann Transfer Orbit
- GPalm
- · Replies 1 ·
To double the energy stored by a capacitor, you should:
- Pi Face
- · Replies 1 ·
Calculating Enthalpy Change in Adiabatic Compression
- roam
- · Replies 13 ·
Collision rates of argon and water vapor at 1 atm
- roam
- · Replies 9 ·
Conservation of angular momentum in a spinning figure skater
- chaotiiic
- · Replies 8 ·
Finding angle of inclination. Hanging object.
- EVriderDK
- · Replies 26 ·
Some of mechanical apptitude test
- zizodev
- · Replies 6 ·
What Factors Affect Absolute Pressure at Lake Depths?
- Macca1986
- · Replies 3 ·
Deriving Kepler's third law and geostationary orbit conditions
- Tryan
- · Replies 6 ·
Physics Laboratory (Projectile Motion)
- Mathoholic!
- · Replies 6 ·
Cylinder rolling down an inclined plane
- trisectedangl
- · Replies 3 ·
Lamborghini Speed test Calculations
- QuickSkope
- · Replies 3 ·
Magnetic Fields from Currents in a Wire
- diethaltao
- · Replies 8 ·
Why does heat enter a system when entropy increases?
- aaaa202
- · Replies 2 ·
The mass of a proton is 1836 times the mass of an electron.
- Mdhiggenz
- · Replies 5 ·
Understanding the Work Energy Theorem and its Application to Moving Electrons
- Mdhiggenz
- · Replies 6 ·