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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Velocity in two motions (X and Y) ?
- vinny380
- · Replies 3 ·
What Formula Determines Average Velocity During Impact?
- Atilla1982
- · Replies 2 ·
How Does Destructive Interference Occur at Point Q in a Double-Slit Experiment?
- foxtrot2
- · Replies 1 ·
1 to 2 Interactions, or explosions
- lucky47
- · Replies 3 ·
How Many Revolutions Does a Tire Make Before Wearing Out?
- rockmorg
- · Replies 1 ·
Calculating Rotational Inertia for a Section of a Right Circular Cylinder
- brad sue
- · Replies 3 ·
Understanding Momentum and Kinetic Energy Conservation in Elastic Collisions
- joe789
- · Replies 3 ·
Calculate the constant force exerted on the pole-vaulter
- hshphyss
- · Replies 4 ·
Uniform acceleration vector problem
- DB
- · Replies 2 ·
Calculating Equivalent Capacitance of Infinite Array with Co as Capacitance
- thenewbosco
- · Replies 4 ·
How Does Friction Affect Work in a Pulley System with Unequal Masses?
- Barkeeper Moe
- · Replies 1 ·
Recoil kinetic energy in gun and bullet system
- cheez
- · Replies 3 ·
How Far Does a Car Travel After Driving Off a Cliff?
- kingyof2thejring
- · Replies 2 ·
Time to Calculate the Piano's Fall
- kingyof2thejring
- · Replies 12 ·
Calculating Intercept Time and Distance in a Police Chase
- m00c0w
- · Replies 11 ·
Rotational kinetic energy of a tapered stick with variable density
- Jack86
- · Replies 8 ·
Refraction: Solving Tricky Questions
- NewScientist
- · Replies 3 ·
Solving Light Optics Problem: Find Reflection Point
- jena
- · Replies 5 ·
Why does gravity accelerate all masses equally despite F=ma?
- confusedbyphysics
- · Replies 3 ·
Understanding Acceleration: Why is it Negative When an Object is Falling?
- Kandy
- · Replies 4 ·
How does the beat frequency change when the mirror's speed is much smaller than the speed of light?
- thenewbosco
- · Replies 1 ·
First law of thermodynamics: fridge, meteorite, and fan
- Jason_Hyde
- · Replies 1 ·
Calculating Time in Air for a Vertically Launched Rocket
- kingyof2thejring
- · Replies 3 ·
Solve PVg Volume-Weight Problem: 28 N Required
- Izekid
- · Replies 3 ·
How Accurate is Radiocarbon Dating for Determining the Age of a Mummy?
- Ukitake Jyuushirou
- · Replies 2 ·
Find Max Power Dissipation in Circuits with Variables
- stunner5000pt
- · Replies 1 ·
Find expression of current in this circuit
- stunner5000pt
- · Replies 4 ·
Calculating Kinetic Energy and Average Force in a Wall Push Experiment
- Tubs
- · Replies 7 ·
How Do You Calculate Water Speed in a Pipe Using Bernoulli's Principle?
- blue88
- · Replies 3 ·
Graphing free fall and trolley acceleration experiments
- UnD
- · Replies 1 ·
Finding the percentage of iodine-131 remaining after 30 days
- Ukitake Jyuushirou
- · Replies 3 ·
Integrating 1/sqrt(x^2 + y^2 + z^2) Using Trig Substitution: A Physics Problem
- perryben
- · Replies 3 ·
Testing Poiseulle's Law: Flow Rate vs Length
- Jodi
- · Replies 1 ·
Calculating the Period of Deimos: Phobos vs Deimos
- StaticShock
- · Replies 1 ·
How Do You Calculate Rotational Inertia for Cross Arms in Physics Lab?
- eunhye732
- · Replies 1 ·
Calculating New Period of a Collapsed Sun Using Conservation of Angular Momentum
- cheez
- · Replies 2 ·
Calculating Work and Power in Mechanical Systems
- Barkeeper Moe
- · Replies 4 ·
How Does Deuterium's Vibrational Frequency Compare to Helium's?
- jdog6
- · Replies 1 ·
What is the Average Velocity Problem and How Can It Be Solved?
- cocoavi
- · Replies 3 ·
Minimum power that must be provided to the air-conditioner
- jdog6
- · Replies 1 ·
Calculating Tammy's Displacement
- sweet877
- · Replies 3 ·
Calculating COP of Refrigerator: Solve with W=P(delta)t
- jdog6
- · Replies 1 ·
Why limit significant figures when dividing 202 by 356
- Zee Student
- · Replies 1 ·
Rotational motion of a spool of wire
- Punchlinegirl
- · Replies 11 ·
A very tought physics sum I am having trouble with.
- daisy_polly
- · Replies 3 ·
Spinning object: how much faster to increase string tension by factor of 4
- StaticShock
- · Replies 3 ·
Find the Height of a Cliff with Sound Homework Help - Expert Guidance"
- Physic_Scholar
- · Replies 3 ·
Calculating Charged Object Mass and Attraction Force
- chipsdeluxe
- · Replies 3 ·
How Much Work Is Required to Push a Mass Up an Inclined Plane with Friction?
- mahi
- · Replies 1 ·
Uniform Circular Motion with friction
- serrino
- · Replies 2 ·
Understanding Relativistic Kinetic Energy in Modern Physics
- Carolina Joe
- · Replies 6 ·
How Much Power Does Niagara Falls Generate?
- hshphyss
- · Replies 1 ·
What Are Some Creative Ways to Launch a Marble with Precision and Consistency?
- bijanv
- · Replies 6 ·
Why is torque F times distance between two opposite forces?
- beginner16
- · Replies 10 ·
What is the Velocity of a Car in a Loop-the-Loop Amusement Park Ride?
- ledhead86
- · Replies 15 ·
Flywheel Rotation: Calculate Total Angle After 48.7s
- Punchlinegirl
- · Replies 2 ·
How High to Release a Mass for Loop-the-Loop Motion?
- Erwin Schrodinger
- · Replies 10 ·
Solving the Sheep and Grass Puzzle: Maximum Number of Sheep
- mb34
- · Replies 5 ·
How voltage affects free electrons and current through resistance wire
- kubu
- · Replies 12 ·
What Does the Equation (KE1-KE2)/KE2 = M/(M+m) Represent in Physics?
- priyavyas13
- · Replies 4 ·
Find Tension of Meter Stick Attached to Wall
- jbgibson
- · Replies 17 ·
How to Balance a Seesaw with Three Children?
- Equilibrium
- · Replies 10 ·
Moment of Inertia - Need Guidance
- hoseA
- · Replies 2 ·
Solving Distance Traveled Using Coefficient of Friction
- idontspeakmath
- · Replies 3 ·
How Does Conservation of Momentum Determine the Trajectory of Rocket Fragments?
- DStan27
- · Replies 2 ·
Why does a ball orbit if gravity isn't perpendicular to velocity?
- boris16
- · Replies 10 ·
Two Masses Connected by a Pulley
- brentd49
- · Replies 1 ·
Ice flake sliding down a frictionless hemispherical bowl
- lbofin1
- · Replies 1 ·
Solving for Mechanical Energy in a Stopping Bullet Problem
- suspenc3
- · Replies 2 ·
Work done by worker pushing block down frictionless incline at constant speed
- suspenc3
- · Replies 7 ·
Distance between Ships A and B after 2 Hours: Solve the Relative Motion Problem
- vbplaya
- · Replies 1 ·
Calculating Recoil Speed: Mass, Arrow and Velocity
- DStan27
- · Replies 3 ·
How Fast Does the Block Travel After Leaving the Spring?
- ledhead86
- · Replies 8 ·
F = Minimum Force Required to Lift Bicycle Wheel off Ground
- leezak
- · Replies 7 ·
How Do You Calculate the Center of Mass and Kinetic Energy in Physics Problems?
- physixnot4me
- · Replies 2 ·
Angle rotated by accelerating dentist's drill in 4.95 s
- hoseA
- · Replies 2 ·
What is the Method for Calculating Instant and Average Velocity from a Graph?
- cocoavi
- · Replies 5 ·
Solving Momentum Questions: Bird on a Swing
- lvuittongirl22
- · Replies 4 ·
What is the Speed of the Upper End of a Falling Pole?
- HPVic03
- · Replies 6 ·
Calculating Spring Constant for an 8kg Stone Resting on a Compressed Spring
- suspenc3
- · Replies 2 ·
How Do Kepler's Laws Explain Satellite Orbits and Gravity Points?
- Steven-
- · Replies 1 ·
Solving a Spring Compression Puzzle: Work Done by Gravity
- suspenc3
- · Replies 4 ·
How High Does a Stone Reach When Shot from a Slingshot?
- Aka
- · Replies 1 ·
What Force Lifts a Bicycle Wheel Over a Step?
- leezak
- · Replies 1 ·
What Forces Do Stepladders Exert on a Plank with a Painter?
- Equilibrium
- · Replies 7 ·
Angular acceleration of solid cylinder pulled by string
- Punchlinegirl
- · Replies 4 ·
Finding acceleration from two horizontal forces on a 3.0 kg body
- th77
- · Replies 6 ·
Force and Motion (with tension)
- th77
- · Replies 7 ·
Why is dm negative in the rocket equation derivation?
- brentd49
- · Replies 4 ·
Converting record angular speed and finding rotation angle
- alexhavak
- · Replies 2 ·
Impulse, elastic collisions and Inelastic
- jrd007
- · Replies 14 ·
Lorentz force law with electron in crossed E and B fields
- mr_coffee
- · Replies 3 ·
Torque on a CD accelerating to 450 rev/min in 3.0 revolutions
- jbgibson
- · Replies 4 ·
Where is the point of zero gravitational force between Mars and the Sun?
- cgotu2
- · Replies 2 ·
Circular Motion Problems: Maximum Angular Speed and Slip Calculation
- Sciphi
- · Replies 2 ·
Three momentum problems: rocket explosion, jumping off crate, cannon shell
- litto_0ne
- · Replies 2 ·
Calculate the average power required by the electric motors
- shepwarp
- · Replies 2 ·
How do I find the area under a curve from a lab graph?
- interXdragon
- · Replies 4 ·
Determine the angular acceleration of the block
- ViewtifulBeau
- · Replies 1 ·