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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Concept question - forces at different side of ladder
- homo-sapiens
- · Replies 1 ·
Inelastic Collisions - Two Boxes One Spring
- Badger94
- · Replies 17 ·
What is the Radius of Curvature for a Banked Curve with Ice on the Road?
- Sabrina2372
- · Replies 5 ·
Explain using Newton's third law of motion
- rrosa522
- · Replies 1 ·
Entropy change when mixing two gases
- toothpaste666
- · Replies 2 ·
A 27-kg chandelier hangs from a ceiling on a vertical
- hitemup
- · Replies 4 ·
How Do Balanced and Unbalanced Forces Affect Object Motion?
- Dhooy7
- · Replies 9 ·
Calculating the Vertical component of the Velocity
- bronteogrady
- · Replies 9 ·
Calculating magnitude of total force (N)
- Mary O'Donovzn
- · Replies 6 ·
Resolving the Paradox: Net External Work in a Falling Ball-Earth System
- EzequielSeattle
- · Replies 2 ·
Balls connected by string--momentum problem
- erisedk
- · Replies 10 ·
Calculating Work Done by Impulsive Force
- erisedk
- · Replies 4 ·
Thin film interference with air gap and single-slit diffraction colors
- whatislifehue
- · Replies 1 ·
Mass Loss in Beta Decay: A_(z+1) Y vs Physics Fact
- gxc9800
- · Replies 5 ·
Finding an angle of trajectory from a tangential launch.
- Jae
- · Replies 1 ·
Friction and tension in a string
- Jennings
- · Replies 33 ·
Does the Center of Mass Have Horizontal Velocity in a Frictionless System?
- cacofolius
- · Replies 3 ·
I need a little intuition my way regarding moments and direction of couples
- CCenturion
- · Replies 1 ·
A -11.8nC point charge and a +23.9nC point charge are 13.8cm apart on the x-axis
- nc9261
- · Replies 2 ·
Height Required for Rollercoaster to Remain on the Track
- B3NR4Y
- · Replies 7 ·
How Do You Calculate Impulse and Force in a Racquetball Collision?
- mememe1245
- · Replies 7 ·
Friction force on a 3.35 kg collar sliding down a spring system
- engineering810
- · Replies 4 ·
Energy Resolution of a solid state X-Ray detector
- garyd
- · Replies 4 ·
Find Velocity of Rod Center of Mass When Making 30° Angle with Horizontal
- Satvik Pandey
- · Replies 16 ·
Thin film / interference question
- whatislifehue
- · Replies 3 ·
Understanding Neutron Star Rotation: Calculating Kinetic Energy
- kennyadams1317
- · Replies 1 ·
How Does Collision Affect Internal Energy in a Two-Vehicle System?
- CaptainOfSmug
- · Replies 2 ·
How to calculate the tension needed for a crosspiece in an A-frame structure?
- homo-sapiens
- · Replies 6 ·
Totally Inelastic Collisions question
- CaptainOfSmug
- · Replies 3 ·
Determine the linear acceleration of the two masses
- Crystal
- · Replies 7 ·
Calculating Velocity: Roofer's Toolbox Sliding on a 36deg Slanted Roof
- rezal
- · Replies 1 ·
Why does a skateboard move backward when you push on it, but the Earth does not?
- LindaJalie
- · Replies 5 ·
Finding 2theta for crystal planes with two cell parameters and two X-ray wavelengths
- decerto
- · Replies 1 ·
What Happens to Acceleration If Net Force Triples?
- lightbender
- · Replies 7 ·
Mass pulled on spring: find work, energy, speed, and equilibrium
- APDEVELL
- · Replies 2 ·
Momentum to Force: Calculating the Velocity Needed
- Keyshawn
- · Replies 5 ·
How to analyze data from an e/M lab
- Eddie10
- · Replies 7 ·
Pulling object at an angle problem
- xasuma
- · Replies 11 ·
Resultant linear acceleration at the rim of a disk
- fuddyduddy
- · Replies 8 ·
2 questions--seems simple -- Heisenberg Uncertainty
- fu11meta1
- · Replies 2 ·
Impulse and Coefficient of Restitution from Ball Drop
- KatyM7
- · Replies 3 ·
When Does a Disc Reach Its Average Angular Velocity During Each Revolution?
- Meadow_Lark
- · Replies 10 ·
Will a lighter object with equal kinetic energy stop a heavier moving ball?
- bobie
- · Replies 29 ·
Calculating Tension in Ropes Connecting Multiple Barges
- KatyM7
- · Replies 4 ·
Velma and Mort relative motion question
- kirsten_2009
- · Replies 1 ·
Special relativity and relative motion question
- kirsten_2009
- · Replies 2 ·
Calculate Tension Forces in Rope for Two Barges
- KatyM7
- · Replies 2 ·
What is the difference between above and below the horizontal?
- kitkat87
- · Replies 2 ·
Cannonball fired at 20° from cliff with 3.5s flight time
- LuckyIam
- · Replies 9 ·
Static equilibrium and rope tension
- Lord Anoobis
- · Replies 2 ·
Inelastic Collision Energy loss
- camorin
- · Replies 1 ·
Power Delivered From Black Body
- ThatGuyYeah
- · Replies 4 ·
Rolling Friction of Bicycle Tires
- neongoats
- · Replies 1 ·
How Do You Calculate the Force Constant of a Spring?
- treeelf5150
- · Replies 2 ·
Circular motion of a steel block
- neurospade
- · Replies 8 ·
Electrical potential involving a spacecraft
- dmack15
- · Replies 5 ·
What is the natural force of a 25kg block that is not moving?
- Angieesaurus
- · Replies 5 ·
Therefore, the angular acceleration is 3.925 rad/s2.
- gcombina
- · Replies 2 ·
Calculating Velocity after Skateboard Jump - A Physics Problem
- adriannesmith
- · Replies 1 ·
What is the magnitude of acceleration for a block released up an inclined plane?
- Eunes
- · Replies 10 ·
Calculating Building Height and Rocket Trajectories
- Natalie89
- · Replies 6 ·
How to determine which point to take the moment about?
- CCenturion
- · Replies 3 ·
Potential of Point A to Point B in Difficult RC Circuit
- AGGENGR
- · Replies 6 ·
Electric potential linear charge
- deedsy
- · Replies 3 ·
Pulling a sled up a 12° slope with friction
- Summer95
- · Replies 5 ·
Frictional Force Direction Problem
- amitSingh95
- · Replies 13 ·
How Long Should Radiation Therapy Last After Two Years to Match Initial Dosage?
- somecelxis
- · Replies 2 ·
How Long Does It Take for a Car to Stop with Friction After Engine Shutdown?
- Troubadour
- · Replies 3 ·
Identify the following motions as positive or negative accelerations
- selcouth
- · Replies 2 ·
Finding unoccupied volume in a body-centered cubic lattice
- astrophysics12
- · Replies 8 ·
Can You Verify My Calculations on Spring Compression and Energy Transfer?
- The Wanderer
- · Replies 1 ·
Calculating the velocity of a hanging object attached to a disc
- EzequielSeattle
- · Replies 9 ·
Calculate the difference in height of the fluid levels
- NZBRU
- · Replies 11 ·
Circuit with 3 batteries and 4 resistors
- icesalmon
- · Replies 4 ·
I have a qeation from my work book that i cant solve.
- Myvar
- · Replies 3 ·
A weight suspended by two strings
- LLR
- · Replies 16 ·
Solving for Compressed Spring Distance after Collision
- FaraDazed
- · Replies 4 ·
Pendulum Speed at Different Heights
- xasuma
- · Replies 5 ·
Solving for v_y max in a Spin-Friction Free Tennis Ball Model
- powerof
- · Replies 4 ·
Problem involving a skier, friction and conservation of energy
- honeyspells
- · Replies 2 ·
Determine ruling from grating constant
- Alexandra7
- · Replies 4 ·
What are the steps to solve a work problem?
- LexRunner
- · Replies 3 ·
Prelab rotational motion question
- FlorenceC
- · Replies 1 ·
Horizontal force and work for suspended mail bag displaced 3 m
- honeyspells
- · Replies 4 ·
How do small errors affect jet impingement vane calculations?
- udontai
- · Replies 1 ·
Why won't a 230V laptop charger work on 110V mains?
- Barclay
- · Replies 3 ·
Maximum Acceleration and Coefficient of Friction
- Jazz
- · Replies 3 ·
Calculating Mass of a Block in SHM with Given Parameters
- SpyIsCake
- · Replies 14 ·
Centripetal Acceleration of car
- bgrove
- · Replies 2 ·
Finding frictional force on a 6 kg cart with 10.5 N applied force
- karajo
- · Replies 6 ·
How Long Will It Take for the Entire Chain to Slide Off the Table?
- Satvik Pandey
- · Replies 114 ·
What is the effect of applied pressure on a partially filled U-shaped tube?
- Dudleyz
- · Replies 1 ·
Ranking Rotational Inertia Task
- B3NR4Y
- · Replies 4 ·
How Can You Design an Adiabatic and Reversible Thermodynamic System?
- decerto
- · Replies 3 ·
What is the current through each resistor in this circuit?
- Rodgerd
- · Replies 3 ·
Hammer striking an anvil with a velocity of 50ft/sec
- Dustinsfl
- · Replies 4 ·
Calculating the average force of a molecule in a vessel
- PhyIsOhSoHard
- · Replies 1 ·
Is relative velocity confusing in multiple vector systems?
- Hijaz Aslam
- · Replies 4 ·