Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What DC voltage and current recharge an 8.8 kWh Chevy Volt battery in 15 minutes?
- jesricha
- · Replies 1 ·
Block on Incline with oscillation
- soccer_09
- · Replies 3 ·
Calculating the time of an falling object provding with only speed.
- nikkkk
- · Replies 5 ·
Suitcase in elevator - Find pressure on the floor
- IAmSparticus
- · Replies 1 ·
Calculate Earth's Gravitational Field at the Moon
- O0ZeRo00
- · Replies 1 ·
Jumping from Roof: Find Velocity & Force Exerted
- PearlyD
- · Replies 7 ·
How Far Can a Car Travel on 1 kg of Hydrogen at 60 mph?
- jesricha
- · Replies 1 ·
How Do You Calculate Angular Distance and Displacement in Biomechanics?
- nsxviper
- · Replies 1 ·
Time to melt 2 kg of lead in a kiln at 617.5°F
- itr
- · Replies 9 ·
Box floating in a liquid and undergoing simple harmonic motion
- lower8
- · Replies 3 ·
What is the change in work and heat in this thermodynamic process?
- casebj11
- · Replies 4 ·
What is the solution to a block sliding on an incline connected to a spring?
- matt62010
- · Replies 8 ·
How Is Angular Frequency Calculated for a Plank Supported by a Spring?
- kkred
- · Replies 1 ·
A bullet and a block (Momentum)
- Chandasouk
- · Replies 1 ·
Beaker of water and bouyancy in a sink
- Physics197
- · Replies 2 ·
Why does the charge uniformly distributed on the surface of the sphere only?
- cdymdcool
- · Replies 2 ·
What is the Total Energy of a Rolling Sphere on a Sloped Floor?
- Extremist223
- · Replies 2 ·
Find acceleration of a Block within a simply pulley system.
- cocoon
- · Replies 3 ·
What is the Minimum Tangential Velocity to Land on $1.00 on Wheel of Fortune?
- Extremist223
- · Replies 2 ·
Calculate Torque to Accelerate .22kg Disk to 1500rpm in 5s
- guru
- · Replies 4 ·
Can colliding electrons and protons form neutrons or atoms?
- anuraganimax
- · Replies 2 ·
Asteroid impact effect on Earth's rotation and day length
- scoldham
- · Replies 12 ·
Derived equation initial speed
- 7randomapples
- · Replies 6 ·
Simple velocity/acceleration/distance equation-but is mastering physics wrong?
- marewrath
- · Replies 7 ·
Solve Capacitor Circuit: Is My Method Correct?
- 1st1
- · Replies 5 ·
Acceleration of electron in between charged plates
- jawad khan
- · Replies 5 ·
Calculating Mass of Meteors After Impact
- DerekP
- · Replies 3 ·
How Do Capacitors Behave and Function in Electrical Circuits?
- OJ-Hick
- · Replies 1 ·
Tangential and angular velocity and acceleration
- Panda040
- · Replies 1 ·
Finding trebuchet projectile velocity from counterweight mass and distance
- steve092
- · Replies 3 ·
Angular velocity vs normal velocity
- DominicF
- · Replies 2 ·
What the heck is the heat equation?
- exparrot
- · Replies 1 ·
Why Do Waves Affect Objects Like Floating Bottles?
- ap_cycles
- · Replies 2 ·
Finding angular velocity based on x vs t graph
- cuttooth
- · Replies 1 ·
Solving Vector Problems: Finding an Airplane's Ground Speed and Direction
- O0ZeRo00
- · Replies 11 ·
Do cylinders with equal rotational energy have the same tangential velocity?
- hatephysics
- · Replies 4 ·
Method of undetermined coefficients for 2x" + 36x = sin(wt)
- lordy12
- · Replies 1 ·
Basic Momentum and Energy and time
- Ronaldo21
- · Replies 6 ·
Cart rolling down a ramp and flying off a table
- nicholz
- · Replies 1 ·
Do Two Glued Metal Bars Bend Identically Due to Identical Thermal Coefficients?
- cuttooth
- · Replies 1 ·
Moving a 250kg Elephant with 425N Force
- physicshard22
- · Replies 5 ·
Solving for Normal Force in a 1k kg Car on a Dip
- briiannnaa04
- · Replies 3 ·
How Far Does the Block Move on an Inclined Plane?
- joemama69
- · Replies 16 ·
Solving for Total Work: A Monatomic Gas at 27degrees C
- ManuelGR
- · Replies 1 ·
Distance where gravitational force is 11% of surface value
- physicshard22
- · Replies 13 ·
Ice melting when 20 g steam at 100°C is added
- lilmul123
- · Replies 2 ·
How Do You Calculate the Final Speed of a Block on an Inclined Plane?
- metrocard
- · Replies 5 ·
Finding constant net torque from angular velocity and rotation angle
- zelli
- · Replies 2 ·
Explain why speed of sound changes in different media.
- chown
- · Replies 16 ·
[Linear momentum] When to use which equation.
- hiuting
- · Replies 4 ·
Is Heat Flowing Into or Out of the System?
- Mr. Goosemahn
- · Replies 1 ·
Find Coefficient of Friction for Firefighter on Ladder
- boomclapslap
- · Replies 3 ·
Pressure/Temp/Volume question
- itr
- · Replies 2 ·
Why Is My Damped Oscillator Experiment So Challenging?
- Darkplayer01
- · Replies 1 ·
Question involving spring constant
- Phenom66
- · Replies 1 ·
Force needed to jump 0.80 m high
- PearlyD
- · Replies 1 ·
Finding F3 when F1 and F2 act with a 20 N resultant
- teh81
- · Replies 2 ·
Find Quartz Oscillator Disk Thickness for 88.0 MHz Frequency
- ohaithar
- · Replies 2 ·
Can Potential Energy Have Zero Value?
- phykeep
- · Replies 2 ·
Find New Density of Heated Cube
- robertsa
- · Replies 4 ·
Calculating the Initial Vertical Acceleration of a Saturn V Rocket
- PearlyD
- · Replies 4 ·
Mechanical advantage, acceleration, work, power
- DerekP
- · Replies 8 ·
Why Is IMA Lower Than AMA in Lever Systems?
- SHHSPhysics
- · Replies 1 ·
Alpha, Beta, Gamma , neutron ray, which one is harmful?
- Nope
- · Replies 6 ·
Electric Field due to Continuous Line Charge
- darkpsi
- · Replies 2 ·
How Do You Calculate Work and Angle in Vector Problems?
- od943
- · Replies 1 ·
Calculating Magnetic Field Strength from Electron Path Curvature
- Mspike6
- · Replies 2 ·
Diode uncertainty calculation with zero current measurements
- DanDavies
- · Replies 5 ·
Calculating the Angle of a Suspended Mass
- HardestPart
- · Replies 9 ·
Magnetic Field and Poynting Flux in a Charging Capacitor
- dmaling1
- · Replies 2 ·
How Do You Derive the Tsiolkovsky Rocket Equation?
- jenettezone
- · Replies 2 ·
Why does ping pong ball rebound height curve smoothly if terminal velocity causes it?
- thyqwerty
- · Replies 8 ·
Calculating Work and Input Force for a Hydraulic Lift
- jaco9115
- · Replies 4 ·
Ball hitting block, elastic collision
- geauxKTM
- · Replies 1 ·
Trasverse wave wavelenght and velocity problem
- mmoadi
- · Replies 1 ·
Fluids - Pascal's Principle / Negative vs Positive
- crono_
- · Replies 2 ·
Calculating the time of an falling object provding with only speed and weight
- nikkkk
- · Replies 1 ·
Where to find practice exercises for drawing force vectors
- carrera901
- · Replies 1 ·
Calculating Density and Viscosity of Oil Using Ball Drop Experiment
- mmoadi
- · Replies 7 ·
Interference of rock music at a concert
- Bryon
- · Replies 2 ·
Is Mechanical Energy Conserved During Swinging at a Lake Hangout?"
- geauxKTM
- · Replies 3 ·
Newton's Cradle, Simple Harmonic Motion
- godtripp
- · Replies 1 ·
Thermodynamics concept question
- itr
- · Replies 4 ·
Centripetal acceleration for 0.5 kg mass moving at 0.1 m/s
- pinnacleprouk
- · Replies 1 ·
Rotational Motion - I have the answer but I don't know how to get there
- jbcaviness
- · Replies 1 ·
Calculate DeltaR RMS for Air Molecule After 5s
- fball558
- · Replies 2 ·
Calculating Support Forces on a Rigid Beam with Distributed Loads
- ice2morrow
- · Replies 5 ·
Calculate the electric field at a given point
- fluidistic
- · Replies 9 ·
How Does a Frictionless Piston Behave in a Vacuum-Sealed Cylinder?
- itr
- · Replies 1 ·
Solving 10 -2x = 90 - x: Find x Value
- Gringo123
- · Replies 1 ·
Rotating object angular velocity question
- pinnacleprouk
- · Replies 7 ·
How does the recoil of the nucleus affect the speed of the alpha particle?
- thebomb
- · Replies 18 ·
How Does a Bullet's Momentum Determine the Force Stopping It in a Tree Trunk?
- Ronaldo21
- · Replies 1 ·
Gravity earth's radius question
- physicshard22
- · Replies 1 ·
Can Relative Velocity Determine Bat's Speed Without Doppler Effect?
- mikhailpavel
- · Replies 3 ·
Mass of stars companion from radial velocity
- ChrisBaker8
- · Replies 9 ·
Projectiles and conservation of energy (water slide problem)
- wmmk
- · Replies 3 ·
Conserved Energy vs. Used Energy
- 1irishman
- · Replies 4 ·
Force between two current-carrying wires in a circuit
- dtchannell88
- · Replies 1 ·