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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Is Calculating 69g's as 676.89 m/s² Correct?
- Oblivion77
- · Replies 1 ·
Simple harmonic motion amplitude, frequency, period and energy
- Naldo6
- · Replies 2 ·
What is the tension in the string at the top of the ball's path?
- Toxage
- · Replies 2 ·
Simple Harmonic Motion - Finding max speed of an oscillator
- KEØM
- · Replies 2 ·
What Height Must the Granite Cube Start From to Propel a Steel Cube to 150 cm/s?
- mrjoe2
- · Replies 6 ·
Finding spring constant from two equilibrium lengths
- Naldo6
- · Replies 11 ·
Solved: Spinning Situation: What Happens to the Merry-Go-Round?
- soupastupid
- · Replies 2 ·
Solving Static Problem: Help Needed
- phys1618
- · Replies 2 ·
Calculating the time of stopping distance
- chaz699
- · Replies 2 ·
Terminal velocity when falling through the atmosphere
- JimT
- · Replies 2 ·
Angular Velo, Tangential Acceleration
- agross
- · Replies 3 ·
Conservation of linear momentum of rocket
- mbisCool
- · Replies 7 ·
Finding initial speed and velocity for keys thrown 4.0 m upward
- cbrowne
- · Replies 1 ·
How Do You Calculate Frictional Force on an Inclined Plane?
- junior20
- · Replies 6 ·
Calculating Ground State Energy for Triple Ionized Beryllium
- PeterWarrick9
- · Replies 3 ·
Collision of Alpha particle with a Gold Nucleous
- lebprince
- · Replies 1 ·
Projectile Motion Problem - Solving for Maximum Height and Landing Distance
- Melawrghk
- · Replies 2 ·
How Does Momentum Affect the Velocity of a Caught Ball?
- devilz_krypt
- · Replies 4 ·
I still need someone smart to explain 2 me momentum and Impulse throughly .
- devilz_krypt
- · Replies 3 ·
Can You Hit a Feather With 200N in a Frictionless Environment?
- bismark
- · Replies 8 ·
Calculating Final Momentum in Inelastic Space Rock Collision
- lebprince
- · Replies 10 ·
Where should a pump be placed in a deep mine to lift water?
- birdhen
- · Replies 1 ·
Calculating Power Dissipated by a Battery
- bensthebest
- · Replies 8 ·
Rock sliding down a hill with friction and energy transfer
- brittkub1291
- · Replies 6 ·
Radicals-getting a rational denominator
- liz777
- · Replies 2 ·
What is the Vertical Acceleration of a Falling Tennis Ball?
- ahrog
- · Replies 2 ·
Find Ice Melted & Final Temp w/ 10g Steam & 50g Ice
- Jennifer001
- · Replies 5 ·
Electric potential of a plastic rod
- noppawit
- · Replies 3 ·
Calculating angular velocity and acceleration from rotation period
- synergix
- · Replies 11 ·
Height of small ball rolling inside spinning hollow ball
- devanlevin
- · Replies 8 ·
How Much Water Flow Is Needed to Generate 780 kW from a 27m Dam?
- evenstar
- · Replies 1 ·
Moving Train Problem: Help & Advice Needed
- jackiemoon
- · Replies 4 ·
Airplane Wing Pressure and Net Force Calculation
- iseidthat
- · Replies 8 ·
Simplifying Radicals with varibles?
- liz777
- · Replies 4 ·
Solve Dynamics Question: v=6-0.3s, a=dv/dt, t=100s
- Melawrghk
- · Replies 5 ·
Consider a Hydrogen atom in the ground state
- jcvince17
- · Replies 9 ·
Current and Voltage Relationships
- perjogab
- · Replies 2 ·
Momentum and impulse formulas for collision problems
- devilz_krypt
- · Replies 1 ·
Which Object Exhibits More Momentum?
- devilz_krypt
- · Replies 1 ·
Magnetism between two electrical wires
- dimpledur
- · Replies 3 ·
Thermodyanmics, specific heat capacity
- Jennifer001
- · Replies 1 ·
Average force on tennis ball and baseball from impulse
- devilz_krypt
- · Replies 1 ·
Online Physics HW~Elastic Collision
- greenpak07
- · Replies 2 ·
Kinetic energy of bow and arrow
- iFat
- · Replies 4 ·
Alpha Particle-Gold Nucleus Collision: Solving for Initial and Final Momentum
- lebprince
- · Replies 2 ·
Circular Motion of Pendulums: A Visual Demonstration
- devanlevin
- · Replies 1 ·
Mass attenuation coeffcient relation to kinetic energy
- shonen
- · Replies 1 ·
How Do You Determine if Two Values Agree?
- GrahamCU
- · Replies 1 ·
YoYo rolling on ground (checking work mostly)
- phil ess
- · Replies 3 ·
Breaking Filaments using magnets.
- TFM
- · Replies 12 ·
How Do You Calculate the Resistance of the Ground in a Physics Problem?
- Inertialforce
- · Replies 3 ·
Calculating Time for Simple Harmonic Motion - \pi
- rhodium
- · Replies 1 ·
How Does Friction Impact Acceleration on an Inclined Plane?
- devanlevin
- · Replies 3 ·
What Is the Initial Speed of the Bullet in a Bullet-Block Collision Problem?
- Nyasha
- · Replies 1 ·
Calculating Eccentricity of Planet's Orbit After Star Explosion
- thesaruman
- · Replies 2 ·
Rolling cylinder with string unwrapping without slipping
- Kudo Shinichi
- · Replies 21 ·
Why Is the Speed of Light Ignored When Calculating the Distance of Lightning?
- jimen113
- · Replies 5 ·
Projectile Motion: Diver's Leap from a Tower with Vector Components
- ahrog
- · Replies 3 ·
Calculating Fill Time for Inflatable Pool Using Garden Hose
- iseidthat
- · Replies 5 ·
Calculating Acceleration of Rising Balloon
- iseidthat
- · Replies 1 ·
Is it Possible to Transfer All Momentum in Billiards?
- kidprince777
- · Replies 4 ·
Understanding Faraday's Law: Solving for Induced EMF in a Uniform Magnetic Field
- lvlastermind
- · Replies 1 ·
Solve Statics Problem: Max Mass to Avoid Slippage
- Kudo Shinichi
- · Replies 3 ·
Normal force on cart pulled by inclined rope at constant speed
- Greywolfe1982
- · Replies 11 ·
Conservation of Energy of a bear question
- brittkub1291
- · Replies 4 ·
Calculating Friction Force in Sliding Block Problem
- aburich_44
- · Replies 4 ·
Collision of a block with a spring
- mjolnir80
- · Replies 2 ·
Calculating Angular Velocity: Puck in Circular Motion
- zoner7
- · Replies 5 ·
What is the boiling point of water on the Z scale?
- Shayna
- · Replies 3 ·
What is the acceleration of each mass in a pulley system with two masses?
- devanlevin
- · Replies 5 ·
Angular Acceleration (I don't see HOW I can be wrong?)
- Lucretius
- · Replies 3 ·
Acceleration of block down an incline
- aliaze1
- · Replies 1 ·
Billiard collision with same angle
- madman143
- · Replies 2 ·
Fluid Mechanics- Two liquids in a U-Bend
- ultrapowerpie
- · Replies 4 ·
Gravitational force between krill swarms with changing masses and distances
- cocobandit13
- · Replies 1 ·
What is the minimum frequency needed to spin a bucket without spilling water?
- devanlevin
- · Replies 5 ·
Conservation of momentum ; spring ; friction
- jumpman11372
- · Replies 2 ·
Plumb line angle for jet flying south over the north pole
- thesaruman
- · Replies 2 ·
Cylinder and ball rolling down inclined plane with and without slip
- Pawell
- · Replies 1 ·
Inverted Pendulum: Relating Force to Angle/Displacement
- paton51
- · Replies 1 ·
80 kg skier at constant velocity question lacking friction info
- noodlesofrome
- · Replies 4 ·
Calculating Fgrav at a non-point mass
- diminion
- · Replies 2 ·
Skier Work and Power Calculation
- brittkub1291
- · Replies 10 ·
Finding Inductance and Internal Resistance in a Series LCR Circuit
- physicsroy
- · Replies 1 ·
Total Kinetic Energy: Man, Globe, Platform
- spirited
- · Replies 1 ·
Oscillator Max Speed - Calculate Vmax
- sktgurl930
- · Replies 4 ·
How to Calculate Heat Flow in a Copper and Aluminum Rod Pairing?
- rogerthat4
- · Replies 7 ·
Why is mass never raised to a power in physics formulas?
- CaptainADHD
- · Replies 7 ·
Understanding Gravitational Time Dilation in Classical Mechanics
- sirius0
- · Replies 7 ·
Putty falling on rotating disk collision
- veronicak5678
- · Replies 6 ·
What Is the Momentum of a Falling Bale of Hay Just Before Impact?
- itsmarasilly
- · Replies 1 ·
How Does Torque Affect the Acceleration of a Stick's Tip?
- saltine
- · Replies 31 ·
Wheel with constant external torque and friction stopping
- spirited
- · Replies 1 ·
Finding average angular acceleration of a watch second hand
- livblue23
- · Replies 1 ·
Momentum ratio for bullets and kinetic energy problems
- hansel13
- · Replies 15 ·
Angular Acceleration of a grinding wheel
- spirited
- · Replies 2 ·
Block on incline with 4m length and friction equilibrium
- Oblivion77
- · Replies 3 ·
Calculating Volume & Buoyant Force: A Spring Scale Experiment
- GreenEyedGal3
- · Replies 4 ·
Finding temperature using sound waves
- Bubba sean
- · Replies 1 ·
Ball rolling down incline, sliding off table: projectile motion problem
- davidelete
- · Replies 8 ·