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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Double-slit: what causes the altering problem
- genu
- · Replies 1 ·
Calculating Force and Direction of Cable AB
- tito2004
- · Replies 1 ·
Transformer output power and secondary coil turns
- Physics8944
- · Replies 9 ·
What is the amplitude of vibration for a fish on a spring scale?
- tjohn101
- · Replies 5 ·
Moment of inertia of four masses at rectangle corners
- Dr_bug
- · Replies 1 ·
Why does fusion end with iron as binding energy per nucleon decreases?
- warrior_1
- · Replies 1 ·
What Is the Woman's Velocity Relative to Water?
- ndoc
- · Replies 1 ·
Question involving L and ω where L does not equal Iω
- azure kitsune
- · Replies 5 ·
What Factors Determine Acceleration and Net Force in a Hanging Mass System?
- 1irishman
- · Replies 1 ·
Finding initial speed of 20g ball hitting hanging 100g ball elastically
- ChodeNode
- · Replies 2 ·
Mechanical Energy and Trajectory
- James98765
- · Replies 5 ·
Finding horizontal range from projectile.
- shizupple
- · Replies 3 ·
Sharp Cut off in bremsstralungh
- warrior_1
- · Replies 1 ·
Momentum, elastically collisino, velocity
- qomoco
- · Replies 4 ·
Satellite velocity and momentum
- jlayla99
- · Replies 3 ·
Work Question involving Cheese, an elevator, and a cable
- RoganSarine
- · Replies 3 ·
Finding frictional force on egg-car with spring scale measurement
- Kenster1025
- · Replies 1 ·
Calculating Helium Mass with Work and Ideal Gas Law
- sowmit
- · Replies 2 ·
Tension of Two Ropes on an Object
- merzperson
- · Replies 2 ·
Torque second condition of equilibrium problem
- Phox
- · Replies 1 ·
Force on spaceship between two asteroids using Newton's law
- drkidd22
- · Replies 12 ·
What is the Minimum Height for a Sphere to Stay on a Loop-the-Loop Track?
- ducnguyen2000
- · Replies 2 ·
Average Angular Velocity of the Earth?
- IAmSparticus
- · Replies 1 ·
Rocks thrown out of a window problem.
- physicsguy112
- · Replies 19 ·
Momentum and Elastic Collisions
- ndoc
- · Replies 2 ·
What Determines the Direction of Centripetal Force and Acceleration?
- shizzledizzle
- · Replies 3 ·
How Do You Calculate Equivalent Capacitance and Charge in a Complex Circuit?
- apatuka
- · Replies 1 ·
How Do You Calculate Vector Operations Such as C - A - B and 2A - 3B + 2C?
- kateg4
- · Replies 1 ·
Angle of sunlight entering water with n=1.33
- JDiorio
- · Replies 1 ·
Tension and Work Calculations for Lifting a 285kg Load 22m Vertically
- fraxinus
- · Replies 4 ·
How can I solve for the Thevenin resistance in this circuit?
- Novark
- · Replies 4 ·
Work Incline Problem: Find Distance Up Incline for Block w/ No/Low Friction
- xjasonx1
- · Replies 1 ·
Crossing a flowing river problem
- shizupple
- · Replies 5 ·
Hooke's Law applied to a bungee cord
- sollinton
- · Replies 1 ·
Can someone explain a simple physics question for me?
- pooker
- · Replies 1 ·
Horizontal Circular Motion Problem
- Macroer
- · Replies 1 ·
Question on Calculating Power and Force of Water Ejected from a Pipe
- hagrid114
- · Replies 2 ·
How do I find the vertical velocity of a falling rope on a frictionless peg?
- Physics197
- · Replies 6 ·
Tension of rope by hanging mass
- yankeekd25
- · Replies 3 ·
3 point charges on the vertices of an equilateral triangle
- Unemployed
- · Replies 1 ·
Can Earth's Geology Link Climate Change and Earthquake Prediction?
- havaliza
- · Replies 4 ·
Magnetic field in the open loop
- tomfrank
- · Replies 18 ·
How Do You Calculate the Initial Speed of a Bullet After It Embeds in a Block?
- Jshua Monkoe
- · Replies 1 ·
Contact lenses, focal length and uncorrected far point distance
- danok
- · Replies 2 ·
Max angular displacement from max angular velocity
- rdlcsh
- · Replies 5 ·
Loop gravitational roller caoster- height, velocity, breaking force?
- mmoadi
- · Replies 6 ·
Current Proportionality and Thevenin Equivalence
- Novark
- · Replies 2 ·
Calculating Air Temperature from Frequency of Sound
- Physics8944
- · Replies 10 ·
Which Cart Sinks Less in Rainy Weather: Wide or Thin Wheels?
- andyboy179
- · Replies 3 ·
Potential Energy: Why Don't We Use Product Rule?
- matt_crouch
- · Replies 3 ·
How long can an observer see an object's reflection in a mirror?
- Paulo Serrano
- · Replies 1 ·
Normal force and tension in a pulley system
- waldvocm
- · Replies 4 ·
What are the calculations for three blocks colliding and coming to rest?
- mmoadi
- · Replies 8 ·
Mass on vertical spring: frequency, max velocity, acceleration, and equations
- Kev1n
- · Replies 1 ·
Applying force vs applying weight to an atwood machine
- waycoo
- · Replies 2 ·
Highest point on trajectory of tennis ball
- firebird99
- · Replies 1 ·
Does Moving a Conductor in a Uniform Magnetic Field Induce EMF?
- qazxsw11111
- · Replies 9 ·
How to Calculate Normal Force in a Physics Problem
- texasgirl03
- · Replies 6 ·
Pulley, blocks, moment of inertia :S
- leanne1987
- · Replies 1 ·
Angular velocity of Earth's rotation and orbit: where's my error?
- IAmSparticus
- · Replies 1 ·
Biot-Savart Law: Find formula for B at general pt (x, y, z)
- plexus0208
- · Replies 1 ·
Skidding and rolling without slipping of a bowling ball
- chenying
- · Replies 1 ·
Calculating Work Done by Gravity on a 21N Book Falling and Moving on a Shelf
- CanadianEh
- · Replies 3 ·
Does Potential Energy Equal Kinetic Energy at the Bottom of a Hill?
- Chuck Norris
- · Replies 2 ·
Solve 2 Capacitor Problems: Heat Dissipation
- lubuntu
- · Replies 13 ·
When do simultaneous explosions reach an observer at different distances?
- offbeatjumi
- · Replies 5 ·
Rigid body kinetics equations not giving correct answer
- aolse9
- · Replies 2 ·
Finding Velocity of a bullet using springs and hanging masses
- viciousp
- · Replies 3 ·
Angular Momentum difficult problem
- Arshad_Physic
- · Replies 3 ·
Equilibrium problem help
- psycho15
- · Replies 3 ·
Projectile motion, with no Initial Velocity
- RIPCLB
- · Replies 5 ·
How Do You Calculate the Resultant Force in This Vector Problem?
- Dellis
- · Replies 9 ·
How Do Forces Maintain Equilibrium in a Beam Supported by a Brace?
- 464thomas
- · Replies 3 ·
Block Tension and Friction Question
- candykane91
- · Replies 8 ·
How to Calculate Magnetic Field on an Axis Through a Square Wire Loop?
- fluidistic
- · Replies 12 ·
What is the ratio of the free-fall acceleration at these two locations?
- leighzer
- · Replies 6 ·
How to find net force using mass, distance, and time?
- elkosp16
- · Replies 2 ·
Rotational and collision problem
- sunnypic143
- · Replies 2 ·
When do you use the curly d instead of the regular d in derivatives?
- roberto85
- · Replies 2 ·
Two Objects, Acceleration is Given, Find Tension of rope on frictionless pulley
- spacewrangler
- · Replies 1 ·
How Do You Calculate the Central Pressure of a Star?
- CaptainEvil
- · Replies 16 ·
How Precisely Can the Position of a Flying Mosquito Be Known?
- zoner7
- · Replies 1 ·
Calculating Speed for Banked Racing Track
- superdave
- · Replies 1 ·
Calculating Stress/Strain from Extension/Tension
- jimmer
- · Replies 1 ·
Why is Angular Frequency Important in Simple Harmonic Motion Analysis?
- Kev1n
- · Replies 2 ·
How Do You Calculate the Angle of Incline with Friction Involved?
- db7db7
- · Replies 1 ·
How would I calculate the escape velocity from the earth?
- Kaxa2000
- · Replies 3 ·
Spherical Mirror and Object Distance
- Skye77
- · Replies 6 ·
Calculating Tension in Horizontal Wire due to Magnetic Field
- Smiles302
- · Replies 1 ·
Finding the magnitude of a net force
- elkosp16
- · Replies 1 ·
Would one weigh more on the equator or on the North Pole?
- einsteinette
- · Replies 3 ·
What is the tension on the elevator cable?
- kyletheskater
- · Replies 8 ·
Man jumping from window ledge onto concrete patio
- holezch
- · Replies 25 ·
Air resistance on a falling object given acceleration
- holezch
- · Replies 12 ·
How can net force point in the direction of *negative* work?
- Kalibasa
- · Replies 1 ·
Finding Cable Tension in Elevator w/ Initial Velocity
- adhoward24
- · Replies 2 ·
Plotting F=kx Graph for Lab Report
- Nrt
- · Replies 8 ·
Energy and rate of energy transmitted by a given wave function
- nowtrams
- · Replies 1 ·
Rubber bullet / metal bullet hitting wooden block
- Kaxa2000
- · Replies 6 ·
Alternating current+Oscillation
- blost
- · Replies 5 ·