Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

Threads

Can anyone make a differential equation from the below eg:

  • abhijath
  • · Replies 9 ·
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9

Solving Characteristic Frequencies of Coupled Mass-Spring System

  • BOAS
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10

What is the Final Temperature of the Mixture?

  • Brian13
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1

Is energy conserved in an object sliding down an inclined plane on ice?

  • motleycat
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2
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13

Calculating Distance and Time Using Constant Velocity

  • killaI9BI
  • · Replies 17 ·
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17

Electron-Proton Atoms in a Unique Universe: Could They Exist?

  • motleycat
  • · Replies 6 ·
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6

Meaning of y-int. on graph of acceleration vs. hanging mass

  • vetgirl1990
  • · Replies 8 ·
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8

How Do Bar Magnets Create Zero Magnetic Field at Point P?

  • motleycat
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4

Radioactive Decay Chernobyl reactor accident

  • Badger4710
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1

Velocity when falling into planet

  • Alettix
  • · Replies 16 ·
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16

Projectile Motion: Finding the Maximum Height of a Football

  • Olivia Carey
  • · Replies 5 ·
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5

How to Solve for missing mass in a Atwood's Machine?

  • Not a Wrench
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6

Ratio of atoms in different laser levels

  • Jon.G
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1

Block on a spring on a horizontal surface with friction?

  • lilmulla
  • · Replies 9 ·
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9

Solve Parabolic Motion Problem: Jet of Water from Fire Hose

  • PhoenixWright
  • · Replies 4 ·
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4

How Does a Car's Velocity Change When It Moves Down an Inclined Plane?

  • kaspis245
  • · Replies 22 ·
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22

Total Impulse of/on a block pushed along a surface for 10s

  • Ocata
  • · Replies 27 ·
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27

Calculating mass given maximum tension of a rope

  • RohanTalkad
  • · Replies 6 ·
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6

Required Torque for Wheel at 8.17 m/s^2 Acceleration

  • Torunn
  • · Replies 27 ·
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27

Spring-launched carts with different masses: conservation of momentum

  • David112234
  • · Replies 1 ·
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1

RLC Circuit Homework: Find L, Z, I, and P

  • SilverAu
  • · Replies 8 ·
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8

When is the Best Time to Throw a Ball for Maximum Height?

  • Gbox
  • · Replies 8 ·
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8

Train accelerating on a circular path: finding tangential acceleration

  • JulienB
  • · Replies 6 ·
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6

Solving a Cycloid Equation: Finding θ(t)

  • thomas91
  • · Replies 42 ·
2
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42

Mathematical Equation for my experimental data?

  • Coolguynice
  • · Replies 2 ·
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2

How Can I Correctly Calculate the Intensity in a Diffraction Pattern?

  • Isaac Pepper
  • · Replies 3 ·
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3

Which wall thickness gives half the stress

  • Janiceleong26
  • · Replies 8 ·
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8

Solving Statics Question: Ty/Tx = 0.18/0.24

  • David Donald
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1

Finding pressure P of air held in between two columns of Mercury

  • Janiceleong26
  • · Replies 2 ·
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2

Finding Final Velocities in head-on Collision

  • Cait602
  • · Replies 10 ·
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10

Which force does friction counteract on an inclined plane?

  • sharpnova
  • · Replies 21 ·
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21

Law of conservation of energy

  • ImpulseLeaq
  • · Replies 2 ·
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2

Finding the Magnitude of Force in each of two vines

  • Scott Towers
  • · Replies 2 ·
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2

Finding final velocity for Conservation of Energy Problem

  • senpim
  • · Replies 1 ·
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1

2 magnets falling, one through a metal ring, which is faster

  • moenste
  • · Replies 2 ·
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2

No mass for mass per unit length

  • nanocreation76
  • · Replies 1 ·
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1

Reaction forces in a pin jointed frame

  • mrtoodles
  • · Replies 2 ·
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2

Collision and Momentum of Blocks

  • Tim Wellens
  • · Replies 1 ·
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1

Max speed given power and resistive forces

  • Jezza
  • · Replies 2 ·
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2

Interference - Single slit diffraction

  • Isaac Pepper
  • · Replies 5 ·
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5

Energy to lift a mass, voltage, amps, time, distance confuse

  • Barclay
  • · Replies 7 ·
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7

How do you calculate speed without taking mass into account?

  • GregoryG.
  • · Replies 10 ·
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10

Definition of a specific kind of motion

  • ShreddedHeart
  • · Replies 1 ·
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1

Specify force magnitude and angle

  • mtjc1x
  • · Replies 14 ·
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14

Initial velocity of an object colliding with another

  • JulienB
  • · Replies 3 ·
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3

Pulley on a moving base problem

  • AliGh
  • · Replies 17 ·
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17

Effect of massive spring on static vs dynamic experiment

  • Tulzz
  • · Replies 6 ·
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6

Force provided during deceleration?

  • TommyChestnut
  • · Replies 1 ·
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1

Finding electric field intensity

  • Prathamesh
  • · Replies 9 ·
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9

Newton's Law System With Both Frictions

  • Michele Nunes
  • · Replies 3 ·
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3

Power needed to keep conveyor belt moving at constant speed

  • Janiceleong26
  • · Replies 2 ·
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2

Power Dissipation in a Resistor: How Does Resistance Affect Energy Loss?

  • Janiceleong26
  • · Replies 4 ·
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4

Path difference between the waves

  • toforfiltum
  • · Replies 10 ·
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10
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16

Tension of a pole attached to a wall at an angle

  • Robert5742
  • · Replies 2 ·
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2

Fleming's left-hand rule on charged particles

  • moenste
  • · Replies 3 ·
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3

Analysing Cube Stress & Deformation in Figure A & B

  • zDrajCa
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1
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1

Rigid Body Problem: Solve Force & Direction for 491 N

  • OmniNewton
  • · Replies 6 ·
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6

Water Velocity and Pressure From 5 degree Gradient At 200 m

  • Point Conception
  • · Replies 6 ·
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6

Soln: Acceleration of System & Tension in Ropes

  • kj99
  • · Replies 7 ·
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7

[Friction] Angled bar pressing down against a plate

  • bartersnarter
  • · Replies 6 ·
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6

Calculate speed without distance

  • Tiffaney Sporl
  • · Replies 3 ·
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3

Does work account for direction when considering only KE?

  • Keeby
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1

How Long Should a Ramp Be to Stop a Ford Ranger with Brake Failure?

  • Tiffaney Sporl
  • · Replies 3 ·
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3

Spring Compression (x-x0) = .00579 m

  • nrip6
  • · Replies 1 ·
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1
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1

How can the uncertainty relation be written as such

  • Abdul.119
  • · Replies 4 ·
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4
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1

Nichrome and Copper Circuit w/ Electron Mobility

  • Callix
  • · Replies 31 ·
2
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31

How Is the Friction Force on the Box Calculated?

  • MattRC
  • · Replies 2 ·
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2

Longest Wavelength of Standing Wave on Clamped Metal Rod

  • ft92
  • · Replies 2 ·
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2

An Easy QM normalisation question

  • FaraDazed
  • · Replies 14 ·
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14

Momentum of Block A and B Colliding

  • Tim Wellens
  • · Replies 3 ·
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3

Electric field at center of charged hemispherical shell

  • Titan97
  • · Replies 2 ·
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2

Spring Constant Calculation for a 0.2kg Bloc with 40cm Displacement

  • astrololo
  • · Replies 32 ·
2
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32

Why does spring PE equal total mechanical energy at any height?

  • Fatima Iqbal
  • · Replies 2 ·
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2

Instantaneous center of velocity for a inverted slider crank

  • yugeci
  • · Replies 1 ·
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1

Year 1 physics: Fluid Dynamics with Tree Sap replacing Water

  • ConquestAce
  • · Replies 4 ·
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4
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5

Solving for Max Compression: 0.2kg Spring

  • astrololo
  • · Replies 12 ·
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12

QM: commutator 2D particle magnetic field

  • zhaos
  • · Replies 2 ·
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2

Fluid Mechanics: Pressure in Fluids

  • Lukas_RSA
  • · Replies 3 ·
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3
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7

Electric field magnitude problem

  • gracy
  • · Replies 27 ·
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27

Experiment to Investigate Air Resistance

  • Jimmy87
  • · Replies 46 ·
2
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46

Size of current in parallel wires

  • songminho
  • · Replies 8 ·
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8

ACTUAL Variation of Potential inside a diode.

  • Amal Thejus
  • · Replies 2 ·
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2

Calculating Time for a Trailer to Move with Constant Friction

  • Cincin
  • · Replies 5 ·
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5

Fluid Dynamics - Hydrostatic Pressure #2

  • Lukas_RSA
  • · Replies 4 ·
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4

How does air resistance affect terminal velocity for a diver?

  • Janiceleong26
  • · Replies 6 ·
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6

Wire with current and field problem

  • Callix
  • · Replies 6 ·
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6

Period of Rotation for Artificial Gravity on Earth

  • astrololo
  • · Replies 12 ·
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12

Why Does Light Interference Differ from Sound Interference?

  • Janiceleong26
  • · Replies 2 ·
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2

Error in Natural Frequency (Lab)

  • Afterthought
  • · Replies 1 ·
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1

Spring potential energy and mass

  • kolua
  • · Replies 12 ·
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12

Find force box exerts on other box up incline

  • Entr0py
  • · Replies 11 ·
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11

Why does heat make objects break?

  • albert.mck
  • · Replies 3 ·
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3

Force on Space Ship: Mag to Nearest MN

  • Felicity Wang
  • · Replies 1 ·
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1