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

[1D kinematics] Car problem: Solving problem with a graph

  • hiuting
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1

Equilibrium: Pendulum from a ceiling to determine accelleration.

  • Senjai
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2

How Many Oscillations to Reduce Amplitude by 1000 in a Damped System?

  • frostking
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Finding friction force on a block pulled up a ramp at constant velocity

  • dagitt
  • · Replies 3 ·
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3

Particle sliding down frictionless sphere: energy and acceleration

  • vinny380
  • · Replies 3 ·
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3

Shawn's kinetic energy riding 1.3 km on a bike

  • kza62
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2

Finding kinetic energy of Shawn and his bike at constant velocity

  • kza62
  • · Replies 2 ·
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2

What is the Maximum Load a Copper Wire Can Support?

  • CaptFormal
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1

Probably an easy problem for you guys, but hard for me

  • redgreenpaper
  • · Replies 9 ·
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9

Work/Energy Problem: 50g Cube on 30 Degree Slope

  • holtvg
  • · Replies 5 ·
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5

Calculating Moment of Inertia: A Figure Skater's Finale

  • CaptFormal
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Bullet passing through one block and embedding in another

  • CaptFormal
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1

Gravitational Force: between 3 objects ?

  • littlejim
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2

Kinematics-motion in a straight line

  • Mr. Poole
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2

Rotational motion - i just with net forces

  • Linus Pauling
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3

Question Regarding Momentum Lab

  • bleedblue1234
  • · Replies 1 ·
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1

Work done by tension force on a swinging pendulum bob

  • Salazar
  • · Replies 3 ·
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3

Is Bulb B the Brightest When the Capacitor Has Half its Maximum Charge?

  • hawkbyte
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4

Ideal Projectile Motion , horizontal and vertical components?

  • djester555
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3

What is the coefficient of Friction?

  • 1irishman
  • · Replies 7 ·
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7

How Is Equilibrium Achieved Between Two Blocks on an Inclined Plane?

  • jmatthews1967
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1

How Far Does a Bat's Echo Travel in a Cave?

  • tx_179
  • · Replies 5 ·
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5

How High Should a Ski Jump Ramp Be for Optimal Safety?

  • clope023
  • · Replies 6 ·
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6

What Quantities Are Zero for an Object Launched Parallel to the Ground?

  • unknownplaya
  • · Replies 1 ·
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1

Calculating Force T on Tray with Food and Coffee

  • CaptFormal
  • · Replies 1 ·
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1

How Does Bending Knees Reduce Impact Force in a Jump?

  • CaptFormal
  • · Replies 3 ·
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3

Solving a Ball Roll Down a Slide: Velocity at Bottom

  • CaptFormal
  • · Replies 2 ·
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2

Calculating Acceleration of a Skier on an Inclined Slope

  • Mirole
  • · Replies 2 ·
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2

Waves: finding the tension of a cord

  • nowtrams
  • · Replies 3 ·
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3

What is the Work Done Lifting a Chain?

  • bluesurge863
  • · Replies 10 ·
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10

Airplane Velocity: 151.97 km/h NW

  • waldvocm
  • · Replies 3 ·
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3

Force exerted by a stick on its axle?

  • EstimatedEyes
  • · Replies 1 ·
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1

Understanding Standing Waves at 60 Hz and 0.4 m Wavelength

  • Unemployed
  • · Replies 2 ·
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2

What Is the Direction of a Glass's Velocity as It Hits the Ground?

  • waldvocm
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1
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1

What is the Maximum Acceleration of a Towed Block on an Inclined Plane?

  • Nazz_Designs
  • · Replies 3 ·
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3

Final Velocity of Mass on Frictionless Incline

  • dgl7
  • · Replies 3 ·
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3

Finding the Instantaneous Current at t=1.2s

  • unteng10
  • · Replies 2 ·
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2

Conducting Sphere Covered By Spherical Dielectric

  • csnsc14320
  • · Replies 1 ·
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1

Blocks moving on frictionless incline at constant speed, accleration

  • joemama69
  • · Replies 5 ·
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5

Charged concentric metal spheres

  • ChrisBaker8
  • · Replies 1 ·
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1

Solving Pulley Questions: Mass, Friction, and Tension Calculations

  • semc
  • · Replies 5 ·
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5

How Does a Bar Magnet Oscillate?

  • Marcstylzzz
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1

How Does a Balloon React When a Man Climbs a Ladder Attached to It?

  • exparrot
  • · Replies 3 ·
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3

Magnitude of force acting on an object

  • hunter457
  • · Replies 4 ·
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4

Rotational Dynamics of a solid sphere

  • FaiKT
  • · Replies 4 ·
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4

Find Thermal Energy & Initial Speed of Skidding 1200kg Car

  • bigmac
  • · Replies 1 ·
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1

Speed and angular speed of a 2 kg block falling from a pulley system

  • sonutulsiani
  • · Replies 7 ·
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7

Forces on an electron: find the work during displacement

  • pedro_infante
  • · Replies 1 ·
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1

Recoil of wedge when block slides down

  • dorian_stokes
  • · Replies 3 ·
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3

Three forces simultaneously acting on an object

  • kathyt.25
  • · Replies 3 ·
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3

Angular velocity of rigid object

  • jhoffma4
  • · Replies 9 ·
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9

Finding coefficient of friction and angle of incline

  • trecton22
  • · Replies 3 ·
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3

How Is the Force Calculated in the Hanging Crate Problem?

  • demonelite123
  • · Replies 1 ·
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1

Do objects vibrate constantly at their natural frequency?

  • Gringo123
  • · Replies 2 ·
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2

Energy conversions of a moving spring

  • qazxsw11111
  • · Replies 3 ·
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3

Conceptual question regarding tension

  • nietzsche
  • · Replies 5 ·
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5

Components of Projectile Motion

  • Londoncalling
  • · Replies 3 ·
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3

What is the Velocity of a Block Pushed by a Linear Force Function?

  • Innuendo
  • · Replies 4 ·
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4

Finding # of g's experienced on Jupiter

  • Razael
  • · Replies 6 ·
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6

How Fast Does a Ball Roll Off a Table?

  • Londoncalling
  • · Replies 1 ·
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Net force problem pretty simple

  • jayced
  • · Replies 1 ·
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1

Torque generated by the motor of ferris wheel?

  • jeneekim
  • · Replies 1 ·
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1

Force and Acceleration/Force of Friction and Air Resistance. 5 Basic Questions.

  • Underdog_85
  • · Replies 1 ·
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1

Maximum speed of a car on the bridge

  • wal33d
  • · Replies 3 ·
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3

Why is peak voltage from a rotating coil proportional to angular frequency?

  • cbeeson23
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1
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1

Internal resistance of a battery in a short circuit

  • tnutty
  • · Replies 1 ·
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1

Spring problem. I thought I had it

  • Wishingwell
  • · Replies 1 ·
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1

How Do You Solve a Physics Problem Involving Multiple Blocks and Tensions?

  • raychelle93
  • · Replies 1 ·
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1

Thorium-228 fission into rhenium nuclei: final speed and separation distance

  • coojoejotaro
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2

What Is the Final Pressure in Both Containers After Equalization?

  • vortex193
  • · Replies 12 ·
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12

A rocket moves upward, starting from rest.

  • chewy96
  • · Replies 1 ·
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1

Relativistic Doppler Shift Theory Question?

  • MissSilvy
  • · Replies 3 ·
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3

Simple projectile spring-loaded plunger motion

  • pureouchies4717
  • · Replies 3 ·
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3

Calculating Train Speed: Grade 11 Physics Homework Solution | Stuck Again?

  • physics_newb
  • · Replies 9 ·
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9

Man pulling himself up at 0.2m/s^2

  • thedarkone80
  • · Replies 4 ·
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4

Kinetic energy stored in the flyweel

  • jeneekim
  • · Replies 1 ·
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1

Deriving acceleration from equations of tension and angular acceleration

  • blaZkowicZ
  • · Replies 2 ·
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2

Electric field from point charge inside conducting sphere and shell

  • q3solid
  • · Replies 2 ·
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2

Analyzing the Tether Ball Problem: Forces and Motion

  • Charanjit
  • · Replies 7 ·
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7

[2D projectile problem]: Rocket being launched

  • hiuting
  • · Replies 4 ·
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4

SHM Motion Q: Find Block's Speed at Position(s)?

  • maccha
  • · Replies 1 ·
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1

Solving for Time and Distance of a Rolling Ball

  • kcc732
  • · Replies 2 ·
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2

Flywheel impact: find mass and energy loss when KE reduced by 20%

  • Kev1n
  • · Replies 2 ·
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2

Can Carnie Stop in Time to Avoid the Roadblock?

  • MadnessRains
  • · Replies 4 ·
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4

Proportionality between Frequency and Mass

  • HeavyGuy
  • · Replies 4 ·
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4

How Far Did Yatin Travel Before Stopping at the Intersection?

  • physics_newb
  • · Replies 11 ·
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11

Maximum speed of a car in a circular flat track (involves static friction)

  • kalisious
  • · Replies 1 ·
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1

Conservation of Energy of park ride Problem

  • Distance4life
  • · Replies 1 ·
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1

Calculate the maximum height that m1 and m2 rise after collision?

  • kalisious
  • · Replies 3 ·
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3

Satellite orbiting Earth problem involving weight?

  • kalisious
  • · Replies 1 ·
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1

What is the tension of the rope connecting two masses in Yellow Creek?

  • sdiddy
  • · Replies 4 ·
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4

Find MASS of a runner when work, power, and velocity are given?

  • kalisious
  • · Replies 3 ·
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3

Finding acceleration of 35 kg block with 150 N net force

  • iluvpandas
  • · Replies 2 ·
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2

General Energy conservation question

  • Rock32
  • · Replies 1 ·
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1

Finding coefficient of friction when 5.0 N pulls a 2.0 kg object

  • AndrewMaccyD
  • · Replies 5 ·
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5

Determining Fluid Density Using Buoyancy and Simple Materials

  • KDawgAtsu
  • · Replies 11 ·
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11

Tension in rope between trout and carp

  • hunter457
  • · Replies 4 ·
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4

Ideal spring: find the work during certain displacement

  • pedro_infante
  • · Replies 1 ·
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1