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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Solve Physics Problem: Block Moving Up a Vertical Track
- KD-jay
- · Replies 1 ·
What is the Coefficient of Static Friction in a Torque Problem?
- veronicak5678
- · Replies 16 ·
Current vs. Time: Mathematical Expression for Hippolyte Pixii's Dynamo
- f77126
- · Replies 1 ·
Composite Bar Length Calculation
- eduardalcazar
- · Replies 3 ·
How Fast Does Mars Travel Around the Sun?
- lanvin
- · Replies 1 ·
How to find the Tension in a support cable?
- MKM
- · Replies 8 ·
Finding minimum coefficient of friction for equilibrium
- Oblivion77
- · Replies 6 ·
Square Loop of Copper Wire Falls out of
- ryguy7272
- · Replies 2 ·
Field Intensity at Point X with A(q+) and B(q-): Solve the Question
- Suzukigold
- · Replies 1 ·
What is the Angular Velocity of a Disk and Rod Combination?
- Bones
- · Replies 1 ·
Batteries connected in Empty Circuit
- TFM
- · Replies 8 ·
Pressure and Temperature and Heat
- omgitsmonica
- · Replies 5 ·
How Does a Student's Position Affect Scale Readings and Center of Gravity?
- Soojin
- · Replies 1 ·
Motorcycle Wheelie (Angular Momentum)
- Osh
- · Replies 11 ·
What is the tension in the string during the descent and ascent of a yo-yo?
- chronorec
- · Replies 5 ·
Small mass sliding up a frictionless curved surface
- f(x)
- · Replies 3 ·
Force exerted on ladder leaning against wall
- xRandomx210
- · Replies 1 ·
How Much Does Neutron Star Material Weigh on Earth?
- danimal8f
- · Replies 2 ·
Compare Orbital Speeds of Satellites at Different Altitudes
- lindz.12
- · Replies 7 ·
Projectile Motion Problems- Find Angle
- 312213
- · Replies 2 ·
How damped harmonic oscillator affects period
- p3forlife
- · Replies 1 ·
Projectile Motion long jumper Problems
- 312213
- · Replies 7 ·
Speed of Pendulum: Solving for Bob at Bottom of String
- Klaven
- · Replies 1 ·
Using Gravitational constant to get the final velocity
- hyperkkt
- · Replies 3 ·
Finding bullet speed from ballistic pendulum displacement
- BugsSport
- · Replies 3 ·
How to Calculate the Volume for a Lead Balloon to Float with Helium?
- Ronerin
- · Replies 18 ·
What is the maximum magnetic field strength?
- dtesselstrom
- · Replies 2 ·
Finding R3 that maximizes power dissipation in a three-resistor circuit
- Granite
- · Replies 2 ·
Reading a Potential Energy graph
- Hyacinth42
- · Replies 3 ·
Finding planks constant from photoelectric effect
- hayyan1
- · Replies 6 ·
Static friction on a banked curve at 225 km/h
- lanvin
- · Replies 1 ·
Magnetic force integration on a half-loop of radius R
- Thomassino
- · Replies 1 ·
Calculating Impulse in a Collision
- itsmarasilly
- · Replies 2 ·
Uncertainty in Measuring Radioactivity: Calculating and Interpreting Results
- Shukie
- · Replies 2 ·
Magnetic force on a wire problem
- Sheneron
- · Replies 6 ·
How Does Temperature Affect the Movement of Mercury in a Thermometer?
- Kingrly
- · Replies 1 ·
What is the Angular Momentum of a Planet Rotating and Orbiting a Star?
- Bones
- · Replies 2 ·
Moments of Inertia, Kinetic Energy and rotations
- lsatwd
- · Replies 3 ·
Find difference in pressure in this water intake pump
- mb85
- · Replies 4 ·
Lorentz Contraction with small velocity
- benji55545
- · Replies 2 ·
Does this make sense? Something hanging from an accelerating object
- Cheeseburger
- · Replies 1 ·
How Does Archimedes' Principle Apply to Forces on a Submerged Cube?
- brett812718
- · Replies 4 ·
Energy in simple harmonic motion at x = –1/2xm
- clairez93
- · Replies 4 ·
Static and kinetic friction in Forces in 1D simulation
- ariana0923
- · Replies 1 ·
Finding spring constant in elevator
- Maiia
- · Replies 5 ·
Calculating Wave Length in Monochromatic Light
- Kris1120
- · Replies 3 ·
Determining the Depth of a Lake
- persephone
- · Replies 10 ·
Why Does Slide Thickness Affect Surface Tension Measurements?
- theneedtoknow
- · Replies 9 ·
Solving SUVAT: Finding T from 2.5m/s to 7.5m/s over 45m
- benbrooks
- · Replies 3 ·
Simple harmonic motion and frequency; answer disagrees from answer key
- clairez93
- · Replies 1 ·
If a spring is cut in half, does the period change?
- clairez93
- · Replies 8 ·
What is the motion of a physical pendulum with a rotating rigid body?
- fluidistic
- · Replies 28 ·
Linear and Angular Momentum (conservation of)
- patm95
- · Replies 3 ·
Solving Atwood Machine Lab: Determining Acceleration
- Iokia
- · Replies 2 ·
Friction of a car going in circles
- Smifsret
- · Replies 2 ·
Max extension of spring/ magnitude of its acceleration
- WPCareyDevil
- · Replies 2 ·
What is the Velocity of a Falling Body with Friction in Freefall?
- devanlevin
- · Replies 3 ·
Sphere tethered to bottom with string in water
- babbagandu
- · Replies 1 ·
How Much Mechanical Energy Does the Skier Lose?
- bkl4life
- · Replies 4 ·
Conservation of momentum and baseball throw
- bkl4life
- · Replies 6 ·
Calculating Car Weight & Braking Force on a Hill
- phys1618
- · Replies 3 ·
How much work is done by the gravitational force on the crate?
- KD-jay
- · Replies 1 ·
How Do Physics Principles Explain a Car's Trajectory and Collision Dynamics?
- Jessicaelleig
- · Replies 1 ·
Conservation of Energy - Roller Coaster
- uradnky
- · Replies 2 ·
Conservation of energy of two thrown stones
- nns91
- · Replies 4 ·
Solving Displacement of a Ball in 5.0-15.0 Time Interval
- Throwback24
- · Replies 5 ·
Find torque required to lift a mass
- vladimir69
- · Replies 7 ·
Calculating Change in Kinetic Energy for 1D Collision
- dbb2112
- · Replies 4 ·
Trigonometry related to Archery
- MstWntd
- · Replies 3 ·
How Do You Calculate the Direction of an Equilibrant?
- ahrog
- · Replies 1 ·
Are Coefficients of Kinetic Friction Always Less Than Static Friction?
- austin1250
- · Replies 3 ·
What Is the Packing Fraction in a Simple Cubic Crystal Structure?
- Timiop2008
- · Replies 1 ·
How Much Force Does a Horse Need to Pull a Sleigh?
- Muteb
- · Replies 7 ·
Calculating Magnitude of Acceleration for 3.0 kg Mass w/ 2 Forces
- Muteb
- · Replies 6 ·
Storing Ammonia Phase Diagram Answers
- doggieslover
- · Replies 3 ·
What is the value of secx when sinx = -0.40 and tanx > 0?
- Xtremeownage
- · Replies 3 ·
Weather Balloon Question: Calculating Acceleration, Velocity, and Net Force
- ahrog
- · Replies 4 ·
What is the Speed and Tension of a Swing Ride?
- keemosabi
- · Replies 3 ·
Man and boy collide on ice, find boy's initial velocity
- dbb2112
- · Replies 7 ·
Flux Linkage with a coil in a solenoid
- BadlyAddicted
- · Replies 1 ·
Two Hockey Puck Collision: Calculating Speed After Impact
- Morhas
- · Replies 3 ·
Solving the Wave Displacement Equation: y = 0.37 sin(t - 3.88x)
- JJones_86
- · Replies 1 ·
Final temperature when ice melts in warm water
- doggieslover
- · Replies 9 ·
Calculating Force from a Given Potential Energy
- dbb2112
- · Replies 1 ·
Finding elevator acceleration from tension on suspended object
- Muteb
- · Replies 10 ·
Finding gauge pressure when the faucet is turned off
- tyro008
- · Replies 10 ·
2 boxes attached to sprint. concept questions.
- reaperkid
- · Replies 4 ·
What is the minimum temperature for an air conditioned booth in Death Valley?
- bziegler
- · Replies 2 ·
Voltage and current calculation on a mixed circuit
- sylvarant
- · Replies 2 ·
Trace the path of the light ray and find angle of refraction
- Kris1120
- · Replies 1 ·
Coefficient of Friction and Forces
- pippintook
- · Replies 3 ·
Springs Equilibrium Length Question
- grenier11
- · Replies 1 ·
What Torque is Needed to Spin a 250g Disk to 2000 RPM in 4.5 Seconds?
- cyclemun
- · Replies 1 ·
How Do You Calculate the Force a Tractor Exerts on a Trailer on an Incline?
- owenhigdon
- · Replies 1 ·
Calculating Wave Speed: Pier Fishing Observation
- JJones_86
- · Replies 5 ·
How Do You Calculate the Moment of Inertia for an Off-Center Pivot?
- cyclemun
- · Replies 6 ·
Print ViewCoefficient of Expansion Conceptual Question
- doggieslover
- · Replies 2 ·
Force between a square loop and a long wire
- StephenDoty
- · Replies 7 ·
Calculating Weight to Make Balloon Rise 116m in 17s Using Archimedes Principle
- moeraeleizhaj
- · Replies 3 ·
Finding time and momentum after collision?
- darkchii77
- · Replies 1 ·