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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Calculating Tension on Two Wires Attached to 200g Sphere
- lmc489
- · Replies 1 ·
Electrostatic force sphere problem
- jssutton11
- · Replies 2 ·
Calculating Voltage Across Two Connected Capacitors
- h0dgey84bc
- · Replies 18 ·
Calculate the coefficient of friction on a rotating carnival ride
- kevinlmoses
- · Replies 2 ·
Calculating Roller Coaster Speed at the Bottom of a Dip
- lmc489
- · Replies 4 ·
What is the force exerted by the rope on the bucket of water?
- Claudia16
- · Replies 7 ·
Why Does the Scale Reading Change in an Accelerating Elevator?
- keemosabi
- · Replies 10 ·
Please help, quick and simple. Potential Energy of Spring?
- jgibbon2
- · Replies 6 ·
Ball and Runner: Catching at the Bottom of a Building
- star20
- · Replies 3 ·
Average coefficient of friction
- Bones
- · Replies 1 ·
Could someone me? I would REALLY appreciate anything
- Miss1nik2
- · Replies 1 ·
What is the Speed of a Ball at its Highest Point Using Conservation of Energy?
- Bones
- · Replies 2 ·
Bird drops 2 kg fish from 5.4 m height
- renob
- · Replies 2 ·
Solving Two-Block Pulley System w/Expln
- keemosabi
- · Replies 4 ·
Drag care race, finding distance and time
- Prio
- · Replies 1 ·
How Does Changing Spring Constants Affect Mass Oscillation?
- wripples
- · Replies 1 ·
Breakdown Potential of a Cylindrical Capacitor
- breez
- · Replies 5 ·
I have 3 homework questions that i did, can someone just check for correctness?
- username111
- · Replies 1 ·
What is the Relationship Between Spring Constant and Mechanical Energy?
- Awwnutz
- · Replies 3 ·
Calculating Time for Round Trip with Steady Wind - Air Race Problem
- iluvphys
- · Replies 2 ·
Finding maximum acceleration of truck without having package fall off.
- soul_observer
- · Replies 8 ·
Finding the velocity and covered distance of Astronaut pushing asteroid
- soul_observer
- · Replies 7 ·
Particle sliding on a track (cons. of energy problem)
- musicfairy
- · Replies 2 ·
Maximizing Velocity and Range of a Rocket with Changing Mass
- Ashleyz
- · Replies 4 ·
Voltage of battery through voltmeter
- sebby
- · Replies 2 ·
How far does a sliding block on an incline go before stopping?
- a18c18
- · Replies 5 ·
Head-on elastic collision between two masses
- mangafan
- · Replies 4 ·
How Is Work Calculated When No Distance Is Given?
- shonuff2
- · Replies 1 ·
What is the Mass of Your Faster Running Friend?
- a18c18
- · Replies 2 ·
Crate being pulled with and without friction
- eioous
- · Replies 2 ·
Dipole moment electric potential
- jelliDollFace
- · Replies 3 ·
Coefficient of kinetic friction on a 32° ramp
- physics_fool
- · Replies 3 ·
What is the tension in a climber's rope while rappelling down a cliff?
- lacar213
- · Replies 4 ·
Energy with nonconservative forces
- maniacp08
- · Replies 1 ·
Newton's 3 Laws Lab: Solving Problems on Inclined Plane
- Kandycat
- · Replies 1 ·
Uniform/nonuniform electric fields
- jaejoon89
- · Replies 1 ·
Banked Curve- find the Velocity when static MU=0
- Phoenixtears
- · Replies 1 ·
Ballistics Pendulum Homework: Solving for Velocity After Bullet Emerges
- 12boone
- · Replies 1 ·
Solve Simple Loop Problem: Find Speed at Point A
- Guruu
- · Replies 2 ·
Help with Mass OF rectangle who's density varies:
- Naldo6
- · Replies 1 ·
Speed of a ball after collision
- Naldo6
- · Replies 1 ·
Calculating Frictional Force on Cork of Bottle: Pressure & Radius
- Kickbladesama
- · Replies 3 ·
Angular accelaration problem help
- alexito01
- · Replies 1 ·
How Fast is the Roller Coaster Car at the Top of the Hill?
- hbteen
- · Replies 1 ·
Coeffiecient of Kinetic Friction problem? (Shuffleboard and Distance traveled)
- glindawantsme
- · Replies 1 ·
How Much Mass Must a Rocket Expel to Alter Its Course by 35 Degrees?
- pinkerpikachu
- · Replies 1 ·
Unit for the slope of a circular motion relationship
- Epsillon
- · Replies 1 ·
Simplifying Trig Homework Statement | Limit x-->0 for (secx-1)/x^2
- lax1113
- · Replies 9 ·
Question from our Lab today on Friction
- Husker70
- · Replies 1 ·
What Does the Ångström Unit Mean in Wavelengths?
- homestar
- · Replies 3 ·
Is Work Done Pushing a Car Up an Incline Independent of the Angle?
- drewdiddy
- · Replies 2 ·
Magnitude of force on a sliding object- help pleaaase
- tiffany09
- · Replies 3 ·
Lenz's Law: Determine Current A-B/B-A
- anifau98
- · Replies 1 ·
Two questions - Electric Potential
- bcjochim07
- · Replies 1 ·
Calculate 1st Order Correction to Hooke's Law Period
- dknight237
- · Replies 2 ·
What Is the Potential Energy and Gravitational Force on a Satellite?
- Husker70
- · Replies 4 ·
Force Vector into a Force (Power)
- Havok23
- · Replies 1 ·
Help on Ballistic Pendulum Angle
- Naldo6
- · Replies 4 ·
Work and Power Homework problem
- Santorican
- · Replies 4 ·
Need help on question Newton's second law
- phynoob
- · Replies 2 ·
Determining instantaneous velocity from a graph
- 312213
- · Replies 3 ·
Circular motion and Newton's law question
- bokonon
- · Replies 5 ·
The Equations of Rotational Kinematics
- pstfleur
- · Replies 3 ·
Lack of friction in Applied Physics
- s31t8n8
- · Replies 2 ·
Pool ball collision, kinetic energy
- krausr79
- · Replies 2 ·
Moving down on a frictionless plane
- lacar213
- · Replies 3 ·
What is the Average Net Force on a Diver During a Fall into a Swimming Pool?
- Naldo6
- · Replies 8 ·
Calculating Distance of Block Sliding Down Ramp
- Chrisleo13
- · Replies 4 ·
How Do Helper Springs Work in Truck Suspensions?
- deaner08
- · Replies 3 ·
Work/spring: Work Done by Gravity & Spring Compression - 760 kg Elevator
- Bones
- · Replies 4 ·
Determining the support reactions on a frame
- JJones_86
- · Replies 13 ·
How Should a Pilot Adjust Course in Wind to Maintain Direction?
- mattst88
- · Replies 1 ·
Power Problem at inclined angle
- emmi1987
- · Replies 1 ·
Elastic Collisons (Conservation of Ke and P)
- notagenius08
- · Replies 2 ·
MotorcyclePower: Level vs Sloped Road
- leezak
- · Replies 10 ·
How Does Impulse-Momentum Theorem Determine Speed and Average Force?
- kennien
- · Replies 1 ·
Projectile motion, need to find angle
- frosti
- · Replies 3 ·
Find μk between the block and the inclined plane?
- HebrewHammer
- · Replies 3 ·
Equilibrium problem (torque and forces)
- ch0psr0x
- · Replies 1 ·
Projectile Motion: Boulder from Cliff to Plain
- jackleyt
- · Replies 1 ·
Calculating Work and Speed on a Frictionless Incline
- Bones
- · Replies 2 ·
Conservation of energy in a pendulum
- maniacp08
- · Replies 11 ·
Solving Free Fall Problem: Initial Speed & Height for Same Time Impact
- tlogan
- · Replies 5 ·
How Do I Calculate the Gravity on Saturn with its Given Radius and Mass?
- HodaM
- · Replies 4 ·
Calculating the Force Needed to Pull a Block
- HodaM
- · Replies 4 ·
Understanding Acceleration: Solving Two Rocket and Gun Questions
- username111
- · Replies 2 ·
HELP A dynamic question with friction
- Kudo Shinichi
- · Replies 3 ·
Newton's 2nd Law Homework: Average Force of Tennis Ball
- lacar213
- · Replies 2 ·
Kinetic Friction of sliding down a pole
- lacar213
- · Replies 4 ·
Help A question on circular motion
- Kudo Shinichi
- · Replies 6 ·
How Can Uniform Acceleration and Velocity Affect Train Travel Times?
- Prio
- · Replies 7 ·
What is the magnitude of the normal force in this block stacking scenario?
- lacar213
- · Replies 3 ·
What Happens to X When Force and Total Energy Are Defined by U(x)?
- veronicak5678
- · Replies 5 ·
Solving 2 Motion Questions: Boat and Plane
- tornzaer
- · Replies 24 ·
How Does Tension Vary Along a Rotating Rod?
- f(x)
- · Replies 6 ·
What is the speed of the discus at release?
- mastiffcacher
- · Replies 3 ·
Calculating Energy Ratio (Ef/Ei) for Earth's System
- jbgibson
- · Replies 2 ·
Spring / constant applied force question
- kennien
- · Replies 1 ·
Work Done without using the Conservation of Energy
- veronicak5678
- · Replies 11 ·
Work Done by Father on Girl's Sled Up Hill
- colts2775
- · Replies 1 ·