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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Hubble's constant and the age of the universe calculation
- Orcinus
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Capacitor directly connected to a DC battery.
- vissh
- · Replies 3 ·
Converting 1.419 × 10^6 g to kilograms
- ArcherofScience
- · Replies 2 ·
Basic conversion question physics 101
- vysero
- · Replies 19 ·
Small angle approximation in trigonometry
- Kaldanis
- · Replies 2 ·
Simple Vector Question Related to Conservation of Momentum
- SHISHKABOB
- · Replies 1 ·
Finding the acceleration of a car based on a velocity vs time plot
- LOLItsAJ
- · Replies 1 ·
Calculating electron speed from distance and time
- ArcherofScience
- · Replies 2 ·
Flow of fluid out of vertical tube
- swmmr1928
- · Replies 1 ·
Average G-Force Calculation for Abrupt Deceleration from 30mph in 1m Distance
- bond535
- · Replies 3 ·
Acceleration and weight question
- alexcc17
- · Replies 41 ·
Displacement Vectors finding magnitude of R and theta
- mariner962
- · Replies 3 ·
Can Police Catch the Speeding Motorist?
- aflowernamedu
- · Replies 2 ·
Vertical Jump Time Calculation for Basketball Player
- Fox_Hound
- · Replies 1 ·
Thermo, Temperature profile of rod
- digipony
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A car speeding up from rest to constant accel. travels 130m in 6s. How far in
- Butterfly30
- · Replies 1 ·
Calculate the Period of a Planet.
- destinee
- · Replies 5 ·
Splitting Molecules and Separating the Atoms
- Luke77
- · Replies 1 ·
Understanding Chaos Theory: Unpredictability in Deterministic Systems
- Luke77
- · Replies 2 ·
Acceleration of a bouncing ball (no calculations needed)
- Feodalherren
- · Replies 8 ·
Which quantities are categorized as vectors or scalars?
- Fox_Hound
- · Replies 1 ·
Finding launch angle given velocity components of 40 m/s and 50 m/s
- bin-bin
- · Replies 1 ·
Testing Diffraction Theory with a Digital Camera Image
- msbell1
- · Replies 2 ·
Final Temperature of Drink After Adding Ice Cubes
- kachilous
- · Replies 4 ·
Finding the weight supported and at what angle
- Colts
- · Replies 2 ·
Question: What is the difference between e.m.f. and Potential Difference?
- psykatic
- · Replies 26 ·
What Is the Maximum Height Reached by a Falling Brick?
- iMAGICIALoTV
- · Replies 1 ·
Time taken for body under free fall
- Swetasuria
- · Replies 5 ·
Calculating the density of a sphere (uncertainty included)
- AryRezvani
- · Replies 3 ·
Electromagnetic induction on iron core question
- sgstudent
- · Replies 18 ·
Electromagnetism with an iron core
- sgstudent
- · Replies 1 ·
Two blocks -which will hit in lesser time?
- Tanya Sharma
- · Replies 9 ·
How Fast Are the Cars Moving Toward and Away from Each Other?
- Phys student
- · Replies 3 ·
Fluids Problem: Is there a Typo?
- BryMan92
- · Replies 4 ·
Trigonometry and figuring out the length of the hypotenuse
- mariner962
- · Replies 6 ·
What Is the Nature of Dark Matter?
- Luke77
- · Replies 3 ·
How Does the Distance Traveled by the Truck Compare to That of the Car?
- sarah111
- · Replies 4 ·
Determine the Charge on a Particle
- Pruddy
- · Replies 9 ·
What is the maximum altitude of a rocket launched from Earth's surface?
- Ahmed.Sandman
- · Replies 2 ·
Sound wave interference destructive interference problem?
- Douna2nd
- · Replies 4 ·
Solving 2D Motion Problems: Where to Start?
- creativeone
- · Replies 2 ·
How Do You Solve a Cargo Plane's 2D Kinematics Problem?
- creativeone
- · Replies 1 ·
Projectile landing 2710 m away and 463 m up after 19.8 s
- creativeone
- · Replies 1 ·
How Much Does Gravity Affect a Baseball's Trajectory Over 18.4 Meters?
- creativeone
- · Replies 1 ·
How Do You Calculate Initial Velocity and Launch Angle in Projectile Motion?
- creativeone
- · Replies 3 ·
Centripetal Motion Problems: Solving for Velocity and Acceleration
- helpmeplease8
- · Replies 2 ·
Qualitative Solid Spherical Conceptual
- roxnascarf9
- · Replies 3 ·
Adaptive Cruise Control: Maintaining a Safe Following Distance
- Dav15
- · Replies 3 ·
Wedge interference fringes in wax-coated glass plate
- A9876
- · Replies 5 ·
Block moving on a circular track-Work energy Circular Motion problem
- Tanya Sharma
- · Replies 34 ·
How to Calculate Distances for a 25° North of East Walk?
- Arooj
- · Replies 3 ·
Acceleration of the helicopter as it starts to rise
- anlenemilk
- · Replies 2 ·
Simple integral of dlnP/dt problem
- UCLphysics
- · Replies 6 ·
How to get a magnitude for polarization force?
- anees7112
- · Replies 8 ·
Standing on a scale at the equator
- Genecks
- · Replies 10 ·
Angular Momentum Conservation in a Rotating System
- assaftolko
- · Replies 6 ·
The Electric Flux on all sides of a cube
- ecsx00
- · Replies 9 ·
Finding magnitude of electric field of a cylinder
- ecsx00
- · Replies 1 ·
The concept of conservation of angular momentum
- assaftolko
- · Replies 1 ·
What is the minimum pressure in an evacuated tank half-filled with 40°C water?
- giacomh
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Finding T2 and V2 in adiabatic compression of ideal gas
- Courtknee
- · Replies 3 ·
Finding the density of a hydrogen proton
- AryRezvani
- · Replies 3 ·
Mass of object during heat exchange
- v3ra
- · Replies 7 ·
Isobaric compression from isotherm to adiabat
- nlingraham
- · Replies 4 ·
Distance using acceleration and time
- mattykay
- · Replies 4 ·
Finding velocity using Galilean Transformations
- DODGEVIPER13
- · Replies 2 ·
Calculating ramp angle for 12kg box pushed up frictionless ramp
- Nicolaus
- · Replies 3 ·
How Do You Calculate Time from Velocity and Distance in Physics Problems?
- Buzur
- · Replies 2 ·
Fluid mechanics. Plate pulled within viscous fluid.
- thepatient
- · Replies 1 ·
Train braking with velocity-dependent acceleration integration
- lorenzosounds
- · Replies 3 ·
Vector airplane distance problem
- bdh2991
- · Replies 6 ·
Astronomy - synodic/sidereal periods
- accountkiller
- · Replies 2 ·
Testing if an old magnet is still magnetised using a compass
- Dobbie
- · Replies 4 ·
Collision of two balls where some kinetic energy is lost
- hms.tech
- · Replies 7 ·
Calculating Velocity and Position with Constant Acceleration
- Warcus
- · Replies 6 ·
Odd projectile motion question.
- letsfailsafe
- · Replies 5 ·
Projectile Motion: Calculating Range, Maximum Height, Speed & Angle
- miley1234
- · Replies 4 ·
How Does Angular Momentum Affect Torque in a Suspended Hoop?
- decerto
- · Replies 3 ·
How Does Small y and d Affect the Difference Between r2 and r1 in Physics?
- A9876
- · Replies 1 ·
How Far Will the Glass Travel After Falling Off the Bar?
- quack91
- · Replies 1 ·
Work done by cyclic process (thermodynamics)
- cpatel23
- · Replies 2 ·
Car overtaking train and police car chasing speeder
- fphysicsclass
- · Replies 25 ·
How Many Children in Year 8 Play Instruments?
- Natasha1
- · Replies 4 ·
The Magnitde of Fc: Graphically
- Mosaness
- · Replies 4 ·
Swimmer's velocity relative to the shore (vectors)
- ulfy01
- · Replies 3 ·
How many people needed to excite the lift cable to the 15th harmonic?
- A9876
- · Replies 15 ·
Derivatice of Complex Impedance
- Opus_723
- · Replies 4 ·
Error sources for thermal expansion and fluid pressure labs
- Shordaay
- · Replies 4 ·
Motorcycle trooper overtaking a car.
- DatAshe
- · Replies 4 ·
Car Collistion using conservation of momentum
- Celestial92
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Force between two point charges at given coordinates
- Pruddy
- · Replies 14 ·
Power output of a coal burning power plant
- SeanWade
- · Replies 2 ·
Solving for the Angle Between Vectors A and B
- LVanderlinden
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Two particles moving in circular orbits stopped suddenly. time to collide
- cler
- · Replies 7 ·
Finding C1 and C2 for the leaning tower of Pisa problem
- unscientific
- · Replies 28 ·
How Many Neutral Points Exist Inside a Square with Four Fixed Charges?
- humanist rho
- · Replies 14 ·
Thermo question, two methods of changing volume/temp
- Greger
- · Replies 13 ·
Why is the cm frame beneficial for collisions?
- aaaa202
- · Replies 4 ·
How can the natural frequency of a stationary cylinder be determined?
- Ry122
- · Replies 3 ·