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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What is the frequency of the bobbing raft with a 4990 kg load in fresh water?
- lizzyb
- · Replies 2 ·
How Quickly Can a Rock Be Hoisted with Limited String Strength?
- 8parks11
- · Replies 1 ·
Solving a Physics Problem: How Far Will the Ball Land?
- luke34
- · Replies 4 ·
What is the tension in the coupling
- 8parks11
- · Replies 2 ·
How Do You Convert Different Units of Measurement in Physics?
- soulja101
- · Replies 4 ·
Reason for Different Focus Distances in Converging Lens Lab
- jnimagine
- · Replies 12 ·
Find Speed and conservation of energy.
- soulja101
- · Replies 2 ·
Pendulum mechanical energy at different amplitudes
- mikefitz
- · Replies 3 ·
Prove the law of conservation of momentum with an example
- lonelywizard
- · Replies 6 ·
Why does the ball on the curved path reach the bottom first?
- MCHammer
- · Replies 20 ·
How Does Friction Affect Rotational Motion in Physics Problems?
- vu10758
- · Replies 2 ·
How Do You Solve These Challenging Physics B Problems?
- 8parks11
- · Replies 4 ·
Satellite Problems: Find Velocity of Satellite 3600km Above Earth
- scoles
- · Replies 5 ·
Radius of Curvature of Convex Mirror: -17.39 cm
- Niendel
- · Replies 1 ·
Finding torque (vector cross product)
- vu10758
- · Replies 1 ·
Finding potential difference across resistor in changing magnetic field loop
- zwebb
- · Replies 2 ·
Work and friction for a 70 N flight bag pulled at 52° angle
- cak
- · Replies 6 ·
Finding the Third Force to Achieve Zero Total Torque on an Equilateral Triangle
- merced
- · Replies 4 ·
Work done by friction and pumping water to cloud altitude
- masteroftheuniverse
- · Replies 1 ·
Solve Tension in Three Blocks of Mass: m1, m2, m3
- Northstar
- · Replies 2 ·
Do two masses released from rest collide with equal velocities?
- xoombot
- · Replies 1 ·
Calculating Spring Constant with Hanging Spring and Mass
- dmolson
- · Replies 9 ·
Calculating Potential Energy Stored in Compressed Abductin
- needhelp83
- · Replies 8 ·
Calculating Center of Mass for a Group on a Boat
- cookie monsta
- · Replies 4 ·
Calculating Work Output, Input, and Effort
- demode
- · Replies 1 ·
Calculating Torque of Diver on Board: 1.82 m for 56 kg
- needhelp83
- · Replies 1 ·
Common Mistakes in Hologram Recording and Processing: Avoiding Poor Results
- astronomophosis
- · Replies 1 ·
Polarization intensity equations for light passing through filters
- Alt+F4
- · Replies 10 ·
Calculating EMF and Internal Resistance of a Battery in a Circuit
- Couperin
- · Replies 2 ·
Physics Torque Question: Calculating Maximum Climb Height on a Smooth Wall
- physics_wonderer123
- · Replies 1 ·
How Do You Classify Materials Based on Magnetic Susceptibility?
- Max Eilerson
- · Replies 1 ·
Is k Ever Negative in Hooke's Law?
- cy19861126
- · Replies 8 ·
Constant damping force on springsystem
- P3X-018
- · Replies 1 ·
Torque Required to Stop a Rotating Grinding Wheel
- needhelp83
- · Replies 4 ·
Why do r and F need to be perpendicular for two angles to give the same torque?
- Ronnin
- · Replies 3 ·
Energy Conservation of an object on an incline
- inner08
- · Replies 1 ·
Calculating KE of Slowest Emitted Photoelectron
- kingyof2thejring
- · Replies 3 ·
How Is the Direction of Gyroscope Precession Determined?
- rleung3
- · Replies 7 ·
Why Is Nuclear Binding Energy Proportional to the Mass Defect?
- semc
- · Replies 1 ·
Establish wheatstone bridge priciple by using kircchof's law
- pavel987
- · Replies 1 ·
What angle gives a range equal to twice the maximum height?
- pluke100
- · Replies 12 ·
Where can I find the specific volume of steam at 179.91 deg Celsius?
- robm
- · Replies 1 ·
Measuring the Distance to an Exploded Star
- sapiental
- · Replies 1 ·
Drawing a free body diagram on the mass
- ubiquinone
- · Replies 4 ·
Strain and Young's modulus problems with copper wire and suspended rod
- terainfizik
- · Replies 20 ·
Solve Snowball Question: Physics for Scientists and Engineers
- xoombot
- · Replies 6 ·
Problem understanding divergence test
- Kolahal Bhattacharya
- · Replies 3 ·
Centripetal Acceleration amusement park ride Question
- twotaileddemon
- · Replies 17 ·
Calculating Moment of Inertia of a Sphere
- Bucky
- · Replies 5 ·
Finding the Frictional Force between Two Blocks
- ubiquinone
- · Replies 5 ·
Rotational Motion around a Fixed Axis
- shaka23h
- · Replies 3 ·
Finding normal force, net force, and acceleration with applied force and friction
- rottentreats64
- · Replies 6 ·
Conservation of Angular Momentum of a Disk
- shaka23h
- · Replies 2 ·
Position vector of moon orbiting Earth which orbits sun
- Parallel
- · Replies 5 ·
Water gun fired from child sliding down 45° incline
- ch3570r
- · Replies 5 ·
Calculating Tire Revolutions for 101000 km Distance
- gamesandmore
- · Replies 3 ·
Solving for Speed in Elevator Motor Operation
- demode
- · Replies 2 ·
Calculating Total Energy and Vertical Height of Rolling Sphere on Incline
- kbyws37
- · Replies 6 ·
Simple Spring Constant Lab not adding up
- Animal
- · Replies 7 ·
Problems involving Newton's law
- rottentreats64
- · Replies 11 ·
Why doesn't a magnetic field do work on a deflected electron beam?
- artupayam
- · Replies 6 ·
How to Balance a See-Saw with Different Weights?
- needhelp83
- · Replies 2 ·
How to Calculate the Mass for Static Equilibrium of a Suspended Leg?
- needhelp83
- · Replies 8 ·
Figure skater spinning (rate of rotation)
- kbyws37
- · Replies 7 ·
How Do You Calculate the Linear Speed of a Rolling Disc?
- public_enemy720
- · Replies 5 ·
Solving a Motion Problem in 2 Dimensions
- rishiraj20006
- · Replies 2 ·
Concave mirrors - where is the object
- danago
- · Replies 2 ·
Why Speed Limit for Vehicle Skidding Independent of Mass
- andrewtsoi34
- · Replies 4 ·
Finding rope extension with skier acceleration and water resistance
- shaka23h
- · Replies 2 ·
Bicycle Wheel Friction: Average Torque Calculation
- kbyws37
- · Replies 4 ·
Calculating Liters of Water Raised From Well
- jezelee
- · Replies 4 ·
What is the Formula for Calculating Force in a Hydraulic System?
- starfish794
- · Replies 2 ·
Rotational equilibrium and tension question
- alimortensen
- · Replies 2 ·
Isotropic loudspeaker - calc based
- sapiental
- · Replies 9 ·
How Can I Maximize Marks on My Physics Assessment?
- Hybr!d
- · Replies 1 ·
Calculating Torque for Rotating Triangular Plate with Constant Angular Velocity
- shankur
- · Replies 19 ·
How Does Shear Modulus Affect the Distance Traveled by a Rubber Sole?
- physics1234
- · Replies 1 ·
How do I calculate error using standard deviation from repeated measurements?
- blackcat
- · Replies 5 ·
Bullet Drop vs. Bullet Shot: Which Reaches the Ground First?
- jklamont
- · Replies 3 ·
Impossible Question in CIE Physics Exam: Is It Really Unsolvable?
- skyglow1
- · Replies 3 ·
Pressure Problem (math error I think)
- esinn08
- · Replies 7 ·
Why Can't SHM Explain a Ball Falling Through Earth's Radius?
- Kolahal Bhattacharya
- · Replies 1 ·
Calculating Change in Volume at 8.80 km Deep
- starfish794
- · Replies 1 ·
Rock on Vertical Spring: Calculating Maximum Height and Potential Energy
- mbrmbrg
- · Replies 7 ·
Question: Investigating Energy and Forces in a Vertical Circular Motion
- ubiquinone
- · Replies 7 ·
Calculating forces in an object that is leaning
- Whitebread1
- · Replies 24 ·
Work Done by F on a Ball: Path or Displacement?
- wolovemm
- · Replies 3 ·
What is the force on a wire in a magnetic field?
- -_-'
- · Replies 3 ·
Water oscillating in a u-tube manometer with 0.1m initial displacement
- blackcat
- · Replies 9 ·
What is the problem with banking?
- rachelle
- · Replies 4 ·
Why Does Polythene Show Different Permittivity Values in Experiments?
- QuantumCrash
- · Replies 1 ·
What is the net force needed to accelerate a rocket sled to 1600 km/hr in 1.8 s?
- raincheck
- · Replies 2 ·
What is the relationship between centripetal acceleration and g-forces?
- MattsVai
- · Replies 7 ·
Friction Force on Inclined Surface: How It Depends on Angle
- squid
- · Replies 2 ·
Collision Problem and Newton's 2nd Law
- lonelywizard
- · Replies 1 ·
Spring gun problem without a spring constant.
- Alpha Russ Omega
- · Replies 5 ·
Equivalent resistance across AB in an infinite resistor network
- lingling
- · Replies 6 ·
What is the theoretical minimum force
- ownedbyphysics
- · Replies 1 ·
Why does the electric field equation E = F/q work if force depends on distance?
- danago
- · Replies 4 ·