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

Distance and time between 2 train stations

  • sktgurl930
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5

Velocity squared vs position graph

  • azn4lyf89
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3

River and boat velocity problem

  • akbro93704
  • · Replies 1 ·
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1

What is the magnitude of the uniform electric field

  • salome
  • · Replies 1 ·
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1

Field Magnitude and force question

  • crh
  • · Replies 5 ·
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5

Solving Impact Acceleration Homework

  • Argento7
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1
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How Do Canoeists' Velocities Reveal Water Speed and Their Effort?

  • svayl
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1

Calculating Minimum Trailing Distance in a Reaction Time Scenario

  • Argento7
  • · Replies 4 ·
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4

Plane drops packages confounded again

  • Phoenixtears
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3

Work-Energy Theorem in Inertial Reference Frames

  • Quelsita
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3
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3

Confounded by King Arthur's knights

  • Phoenixtears
  • · Replies 5 ·
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5

Calculating Velocities of Charged Balls Released from 1m Distance

  • devanlevin
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3
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13
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Centripetal force on a stunt pilot

  • nokia8650
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1

Conceptual question: Atmospheric pressure

  • johnj7
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2
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3

What Equations Calculate Ball Trajectory and Force in Physics Problems?

  • crhscoog
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1

How to Find initial Velocity at 90 degrees with only a time variable given

  • cloakblade5
  • · Replies 1 ·
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1

Need help - problem Newton laws + my try

  • sedaw
  • · Replies 8 ·
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8

Train Collision Stopping distance Problem

  • SharkFin39
  • · Replies 4 ·
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4

Velocity to jump building to building

  • bmarvs04
  • · Replies 4 ·
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4

How High Does a Rocket Climb After Fuel Depletion?

  • kurosaki69
  • · Replies 8 ·
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8
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6

Struggling with a Simple Question? Get Homework Help Now!

  • Miguel89
  • · Replies 8 ·
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8

Freight Wagons Collision: Calculating Speed, Acceleration & Force

  • ollieman
  • · Replies 11 ·
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11

Ideal gas in a cylinder closed by a piston connected to a spring

  • amcca064
  • · Replies 6 ·
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6
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3

How Do You Calculate the Angle of Inclination for a Slide?

  • chronie
  • · Replies 4 ·
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4

Sketching velocity graph from acceleration graph

  • azn4lyf89
  • · Replies 3 ·
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3

Simple wave questions- am I right?

  • bcjochim07
  • · Replies 2 ·
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2

Photon's emmited by a 100w bulb.

  • Seda
  • · Replies 1 ·
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1

What is the Density of the Earth in Pounds per Cubic Foot?

  • 964js7
  • · Replies 13 ·
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13

Officer overtaking soldiers (tricky problem)

  • FatheadVT
  • · Replies 1 ·
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1

How Do I Solve These Physics 1 Homework Problems?

  • rkw6
  • · Replies 1 ·
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1

Calculating Electric Field Due to Multiple Charged Balls

  • cowmoo32
  • · Replies 6 ·
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6

Accel. of eletron in Electric field.

  • Lance WIlliam
  • · Replies 3 ·
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3
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2

Vector Addition and Resultant Velocity in Air Travel

  • Morhas
  • · Replies 8 ·
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8

Calculating Electrostatic Force on a Charge in a Compass

  • mersad
  • · Replies 1 ·
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1

Calculate Total Fall Time with Kinematic Equations | FreeFall Question

  • cmsoccer21
  • · Replies 1 ·
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1

Finding distance with known constant acceleration

  • tater08
  • · Replies 3 ·
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3

Resultant Vorces and Moment (aircraft problem)

  • clickcaptain
  • · Replies 6 ·
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6

Current decay in closed circuit with only 1 resistor

  • GarethB84
  • · Replies 2 ·
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2

Minus signs on Voltage and potential energy

  • blumfeld0
  • · Replies 2 ·
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2

What is the magnitude of the acceleration of the center of mass

  • noppawit
  • · Replies 5 ·
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5

Calculating Wing Tip Acceleration and Velocity in a Flapping Fly

  • Larrytsai
  • · Replies 2 ·
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2

How Does Changing a Planet's Radius Affect Its Mass?

  • unseenoi
  • · Replies 3 ·
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3

Converting Earth's Radius to Surface Area and Volume | Conversion Help

  • Darkhrse99
  • · Replies 4 ·
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4

Dimensional Analysis Help (Algebra Based)

  • Dig
  • · Replies 11 ·
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11

Explain This: Need Help Starting - Ask Here

  • Jbright1406
  • · Replies 5 ·
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5

Interpreting Graphs: Position, Velocity & Acceleration

  • azn4lyf89
  • · Replies 1 ·
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1

Pretty simple distance traveled given acceleration problem

  • BC2210
  • · Replies 2 ·
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2

Hydrolic Pressure and Bulk Modulus

  • vMaster0fPuppet
  • · Replies 3 ·
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3

Projectile Motion/Vertex small problems.

  • CDink
  • · Replies 27 ·
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27

Determining Electric Field at Origin Due to Charges A and B

  • 0338jw
  • · Replies 2 ·
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2

Golf Displacement: 4.19m, 20° North of East

  • Caitlin.Lolz.
  • · Replies 5 ·
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5

Electric Forces: Calculating Charge on Two Spheres

  • Kris1120
  • · Replies 4 ·
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4

Can You Avoid Hitting the Tractor on a Country Road?

  • bmiller13
  • · Replies 1 ·
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1
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32
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Solve Angular Problems: Rad/s, Revolutions, Acceleration

  • fate119
  • · Replies 1 ·
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1

Can You Solve These Physics Puzzles Before Tomorrow's Deadline?

  • emjez15
  • · Replies 6 ·
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6
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4

Comparing Light Intensity: 100W Bulb to Sunlight

  • shanie
  • · Replies 3 ·
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3

Which Body Reaches the Bottom First?

  • brainracked
  • · Replies 17 ·
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17

Calculate A for Person's Arms in Oscillatory Motion

  • sheri1987
  • · Replies 1 ·
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1

How Is the Force on Object B Expressed in Terms of Acceleration a?

  • sedaw
  • · Replies 1 ·
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1

(kinematics) Is it to derive into radial and transverse components?

  • fociboy
  • · Replies 1 ·
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1

Velocity and Acceleration of Cars

  • mossfan563
  • · Replies 16 ·
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16

How Does a Frictionless Surface Affect Bullet Penetration Depth?

  • Oerg
  • · Replies 1 ·
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1

Force mechanical oscillator and frequency independent?

  • hemetite
  • · Replies 2 ·
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2

Answer: Calculating Velocity of 1000kg Rocket After Launch

  • johnlu66
  • · Replies 2 ·
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2

Average velocity and acceleration

  • Kajayacht
  • · Replies 4 ·
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4

Physics summer assignment vector multiplication

  • grosenblatt
  • · Replies 1 ·
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1

When and Where Do Two Cars Collide? A Velocity Analysis

  • aziegler@uark
  • · Replies 2 ·
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2

Showing momentum will be conserved in moving reference frame

  • briteliner
  • · Replies 6 ·
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6

What is the Diameter of an Oil Slick Spreading on a Lake?

  • homeworkboy
  • · Replies 16 ·
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16

How Long Does It Take for a Wrecking Ball to Fall to the Ground?

  • pstfleur
  • · Replies 3 ·
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3

Can a Tourist Outrun a Bear to Reach Safety?

  • Skully7780
  • · Replies 3 ·
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3

A problem regarding momentum(from an entrance exam to Uni in Japan)

  • fantasy
  • · Replies 12 ·
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12

How Do We Calculate the Mass of Binary Stars Like Centauri A and B?

  • PSEYE
  • · Replies 1 ·
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1

Defining Flux in the Context of Electric Fields

  • nslinker
  • · Replies 9 ·
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9
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5

Electric field of a point of charge

  • ibaraku
  • · Replies 3 ·
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3

How Do You Express Vector C in Terms of A, B, and Theta?

  • swooshfactory
  • · Replies 1 ·
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1

Gravitational Force of Three Identical Masses

  • PSEYE
  • · Replies 1 ·
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1

Calculating Time for a Ball Rolling Down an Inclined Plane

  • Nuha99
  • · Replies 3 ·
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3

What is the value of the damping constant?

  • hemetite
  • · Replies 2 ·
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2

Why Does Faraday's Law of Induction Consider Coil Area Instead of Length?

  • Galadirith
  • · Replies 11 ·
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11

Model Rocket question regarding height,time,acceleration

  • rsfancy
  • · Replies 2 ·
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2

Find the geometric relation between vectors A and B

  • pf09
  • · Replies 9 ·
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9

Charged Aluminum Sphere electrons

  • StephenDoty
  • · Replies 12 ·
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12

Moving Wedge - Give the accelerations in terms of components

  • Dschumanji
  • · Replies 6 ·
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6

Vector Magnitudes given only direction-help

  • jcwhitts
  • · Replies 2 ·
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2
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1

Circular motion - marble in bowl

  • Thanuka
  • · Replies 1 ·
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1

What Happens to a Proton in a Magnetic Field?

  • shanie
  • · Replies 1 ·
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1