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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Final velocity for launched ball
- bigdaddy
- · Replies 13 ·
What is the weight of the beam?
- looi76
- · Replies 2 ·
Forces Acting on Person Standing at Earth's Equator
- forty
- · Replies 3 ·
What Happens to Your Kinetic Energy on a Continuously Moving Ski Lift?
- bphysics
- · Replies 4 ·
How Is Kinetic and Potential Energy Balanced in Harmonic Motion?
- forty
- · Replies 1 ·
Cyclist coasting with quadratic wind resistance
- suppy123
- · Replies 26 ·
Finding a formula for catapult launch distance using a bungee cord
- Sorry!
- · Replies 7 ·
Body moving on an ellipse; find velocity, acceleration
- raul_l
- · Replies 9 ·
What is the uncertainty in this result?
- looi76
- · Replies 1 ·
Energy stored in hanging spring with attached mass
- Smtih
- · Replies 1 ·
Deriving Relativistic Density Formula Using Mass and Volume
- t.mil
- · Replies 2 ·
What is the resistance of the wire and its uncertainty?
- looi76
- · Replies 4 ·
Final speed of ball after oblique collision at 24°
- Pat2666
- · Replies 12 ·
Kinetic theory and temperature in gases
- Ifailphysics
- · Replies 4 ·
Quantum Physics, find the commutator
- Antti
- · Replies 6 ·
Gauss' Law and an infinite sheet
- catie1981
- · Replies 3 ·
Plate Capacitors (Velocity selector)
- yahoo32
- · Replies 1 ·
Current of 4mA electron beam: charge per second and electron count
- olliebellamy
- · Replies 17 ·
What is the depth x of the oil?
- looi76
- · Replies 1 ·
What is the formula for solving a simple energy problem?
- format22
- · Replies 4 ·
Simple drag experiments with different materials
- jerz211
- · Replies 2 ·
Why Are My Calculations for Particle Velocity So Inconsistent?
- Brewer
- · Replies 2 ·
What Is the Dielectric Constant of Oil in a Capacitor?
- scholio
- · Replies 3 ·
Gaussian infinite sheet, electric field
- scholio
- · Replies 3 ·
Guassian infinite sheet and charge with kinetic energy
- scholio
- · Replies 3 ·
How Do You Calculate the Activity of Cobalt-60 in Radiation Therapy?
- cookie13
- · Replies 9 ·
Gaussian infinite line charge, find force
- scholio
- · Replies 9 ·
Rearranging gravity equation for orbital period and radius
- Davasaurous
- · Replies 6 ·
Elephant in the way kinetic energy problem.
- Bob Loblaw
- · Replies 1 ·
Capacitor energy with dielectric partially inserted and removed
- odd_concept
- · Replies 3 ·
Calculating Electric Field of Concentric Spheres
- yahoo32
- · Replies 21 ·
Zero-mass particle falling from infinity in Keplerian motion
- peter456
- · Replies 23 ·
Parallel plate capacitor and dielectric
- scholio
- · Replies 10 ·
Problem Involving The Conservation Of Energy
- Pat2666
- · Replies 5 ·
How Do You Determine the Constant b in an Electric Field Using Gauss' Law?
- catie1981
- · Replies 11 ·
What does electric potential and potential difference mean?
- Indeed
- · Replies 4 ·
Electric field as a function - potential
- scholio
- · Replies 3 ·
Electric field as a function, find potential diff
- scholio
- · Replies 3 ·
Two trains headed toward each other
- goaliejoe35
- · Replies 11 ·
How Far Above the Ground Is a Falling Rock 1.2 Seconds Before Impact?
- goaliejoe35
- · Replies 4 ·
Electrical field outside spherical shell
- glederfein
- · Replies 1 ·
Why divide by both masses in a two-block pulley problem
- levi2613
- · Replies 2 ·
MCAT Passage: Inelastic Collision
- mrlucky0
- · Replies 2 ·
Weight Change at Mount Everest Summit
- Crosshash
- · Replies 11 ·
How do you write in scientific notation ?
- Rudipoo
- · Replies 1 ·
Calculate Work for 50 V Capacitor w/ 0.001 Coulombs Charge
- scholio
- · Replies 2 ·
Which ammeter diagram measures the battery current correctly?
- clope023
- · Replies 10 ·
Finding acceleration and tension in two-crate pulley system
- Eric [Tsu]
- · Replies 9 ·
What Are the Minimum and Maximum Launch Speeds to Get a Match into a Basket?
- riddhish
- · Replies 1 ·
How Can Kinetic Theory Explain Differences in Latent Heat and Uniform Diffusion?
- Boogeyman
- · Replies 1 ·
What is the Final Temperature of Soda and Watermelon in the Ice Chest?
- maims
- · Replies 1 ·
How Does Wind Impact the Structural Tension and Torque of a Seaside Tower?
- yasar1967
- · Replies 6 ·
What is the Final Potential Across Capacitors with Dielectric Oil?
- scholio
- · Replies 15 ·
Understanding Seek Steering Behavior in Autonomous Characters
- Metro_Mystery
- · Replies 2 ·
Electromagnetism, calculate electron charge/mass ratio
- Antti
- · Replies 4 ·
Work done to increase the charge on capacitor
- scholio
- · Replies 4 ·
How to find sin and cos of non-standard angles without a calculator
- StephenDoty
- · Replies 5 ·
Kinematics Problem on projectile
- jason_mcc
- · Replies 12 ·
Where is Point B on a Sinusoidal Wave?
- magisbladius
- · Replies 1 ·
Does plywood follow hooke's law
- Amy54
- · Replies 3 ·
Calculating Wavelength Using Diffraction Grating
- GelatinGhost
- · Replies 2 ·
How do astronomers use photodectors
- a.a
- · Replies 2 ·
Question regarding the Moon and Earth and height and weight
- .NoStyle
- · Replies 9 ·
Motion of a disc with a particle
- rock.freak667
- · Replies 14 ·
Equations for Calculating Momentum in Pole Vaulting Collisions
- StephenDoty
- · Replies 3 ·
Photoelectric effect: finding potential difference from frequency and KE
- a.a
- · Replies 3 ·
Simple velocity of car question
- StephenDoty
- · Replies 9 ·
Which denser liquid is better for hydraulic brake fluid if both are equally compressible?
- Lilkazei
- · Replies 2 ·
Does Relativistic Time Dilation Affect an Astronaut's Pulse Rate?
- lamerali
- · Replies 7 ·
How Far Can Chris Walk on a Cantilevered Beam Without Tipping?
- TheKovac
- · Replies 8 ·
Capacitance and electric potential
- scholio
- · Replies 10 ·
How Do You Calculate the Capacitance of Two Charged Parallel Plates?
- scholio
- · Replies 12 ·
Calculate the total momentum of the photons
- Air
- · Replies 1 ·
Calculating Optimum Angle for Basketball Throw
- hayowazzup
- · Replies 50 ·
How Do You Calculate the Meeting Point of Two Hockey Players on Ice?
- Eric [Tsu]
- · Replies 6 ·
Two point charges, Zero Net Force
- K3nt70
- · Replies 14 ·
How do I calculate work and force for electric potential and charge transport?
- scholio
- · Replies 8 ·
Why are low beats more audible than high beats
- brandy
- · Replies 1 ·
What Does 860g @ 50 Degrees North of East Look Like on a Graph?
- .NoStyle
- · Replies 8 ·
Doubling Period and Amplitude: Object's Maximum Speed
- yahoo32
- · Replies 3 ·
Acceleration Position vs. Time Graph
- Anony-mouse
- · Replies 12 ·
Finding charges using electric field and distance
- scholio
- · Replies 10 ·
Circular Motion | Tension Ratios
- Rowshan
- · Replies 12 ·
What is the significance of the other answer in the quadratic formula?
- WardenOfTheMint
- · Replies 7 ·
Equation of motion of particle in gravitational field
- Gebar
- · Replies 2 ·
What is the Impact Velocity of a Stone Thrown from the Top of the ESB?
- croatia_guy
- · Replies 3 ·
How Do You Calculate Harmonics in a Flute?
- yahoo32
- · Replies 27 ·
Using the superposition principle
- Edwardo_Elric
- · Replies 3 ·
Calculating Acceleration Components and Radius of Curvature for Dropped Package
- jfbueno
- · Replies 4 ·
What is the force of a shotgun blast?
- HappyEngineer
- · Replies 14 ·
What Does Plot Electric Potential as a Function of X Along the X-Axis Mean?
- scholio
- · Replies 10 ·
Find Approx Wavelength of Titanium Kbeta X-Rays
- negatifzeo
- · Replies 1 ·
Moment of inertia flywheel problem
- DWill
- · Replies 3 ·
Pressure on walls of granite shaft
- peri
- · Replies 8 ·
Velocity needed to complete a loop
- Numzie
- · Replies 4 ·
Image position when first lens image forms beyond second lens
- kkrizka
- · Replies 4 ·
Solving the Physics Problem: Object Thrown Upward with Initial Speed of 8 m/s
- etsie7538
- · Replies 5 ·
Solving River Crossing: Angle for Boat Rowing Across River
- totororain
- · Replies 2 ·
Solving for X given pCosX = 6 and pSinX = 5
- DeanBH
- · Replies 3 ·