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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.

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Motion in one dimension -- Experiments with a Hot Wheels car rolling down a ramp

Dec 29, 2020 · Replies 12 · Dec 30, 2020

Replies: 12

Views: 5K

The angle of tilt of a gyroscope

Dec 28, 2020 · Replies 9 · Dec 30, 2020

Replies: 9

Views: 2K

Force Exerted by fluid on a Bend, an Enlargement, or a Contraction

Dec 29, 2020 · Replies 2 · Dec 30, 2020

Replies: 2

Views: 1K

RC circuit using complex numbers

Dec 29, 2020 · Replies 12 · Dec 30, 2020

Replies: 12

Views: 2K

Square Root Practice: Multiplying by 1000NM/kJ

Dec 28, 2020 · Replies 5 · Dec 30, 2020

Replies: 5

Views: 1K

Can Mechanical Energy Be Conserved in an Accelerated Frame?

Dec 28, 2020 · Replies 12 · Dec 28, 2020

Replies: 12

Views: 3K

Beam resting on 2 pivots | Problem in Rotational Mechanics

Dec 28, 2020 · Replies 6 · Dec 28, 2020

Replies: 6

Views: 3K

Sum of oscillating frequency and angular velocity

Dec 26, 2020 · Replies 11 · Dec 28, 2020

Replies: 11

Views: 2K

Find the tension of a rope with a mass and spring attached

Dec 26, 2020 · Replies 4 · Dec 27, 2020

Replies: 4

Views: 2K

Finding the number of free electrons

Dec 26, 2020 · Replies 5 · Dec 27, 2020

Replies: 5

Views: 3K

Does Moving Coils in Electromagnets Create Current? Explained

Dec 27, 2020 · Replies 2 · Dec 27, 2020

Replies: 2

Views: 1K

A charged particle entering a magnetic field -- find the position

Dec 27, 2020 · Replies 1 · Dec 27, 2020

Replies: 1

Views: 1K

Questioning My Understanding: Is My Answer Wrong?

Dec 10, 2020 · Replies 40 · Dec 26, 2020

2

Replies: 40

Views: 4K

Temperature Distribution of Current Carrying Wire in Matlab

Dec 26, 2020 · Replies 1 · Dec 26, 2020

Replies: 1

Views: 2K

Why is angular momentum measured at a non inertial CoM conserved?

Dec 25, 2020 · Replies 7 · Dec 26, 2020

Replies: 7

Views: 2K

Gas in mercury manometer, finding its normal volume

Dec 25, 2020 · Replies 2 · Dec 26, 2020

Replies: 2

Views: 2K

Mercury barometer with a small amount of air

Dec 24, 2020 · Replies 7 · Dec 25, 2020

Replies: 7

Views: 2K

Orbit determination from radar readings of a satellite in orbit

Dec 25, 2020 · Replies 4 · Dec 25, 2020

Replies: 4

Views: 1K

Hooke's law does not apply when there is friction, right?

Dec 24, 2020 · Replies 18 · Dec 25, 2020

Replies: 18

Views: 2K

Find the power needed to accelerate this elevator downward

Dec 24, 2020 · Replies 4 · Dec 25, 2020

Replies: 4

Views: 2K

Finding the net elongation in a rod due to its own weight

Dec 24, 2020 · Replies 13 · Dec 25, 2020

Replies: 13

Views: 3K

A classic string and pulley problem

Dec 24, 2020 · Replies 15 · Dec 25, 2020

Replies: 15

Views: 2K

General Query on Archimedes' Principle

Dec 23, 2020 · Replies 14 · Dec 24, 2020

Replies: 14

Views: 7K

Fluid flow around a wind turbine blade -- help please

Dec 22, 2020 · Replies 16 · Dec 24, 2020

Replies: 16

Views: 2K

Pendulum hung from the ceiling of a train

Dec 21, 2020 · Replies 18 · Dec 24, 2020

Replies: 18

Views: 3K

Spherical charge distribution to generate this E-field

Dec 19, 2020 · Replies 13 · Dec 23, 2020

Replies: 13

Views: 2K

Does change in 'g' affect frequency of mass spring system?

Dec 23, 2020 · Replies 4 · Dec 23, 2020

Replies: 4

Views: 3K

Quantum mechanics - several constant potentials

Dec 23, 2020 · Replies 7 · Dec 23, 2020

Replies: 7

Views: 1K

To find the parameters of velocity in an electric field

Dec 21, 2020 · Replies 6 · Dec 23, 2020

Replies: 6

Views: 2K

Relativistic Mass in this fission decay

Dec 21, 2020 · Replies 3 · Dec 23, 2020

Replies: 3

Views: 1K

Rolling and Sliding: Solving Angular Momentum Theorem

Dec 21, 2020 · Replies 8 · Dec 23, 2020

Replies: 8

Views: 2K

Virtual Work in a Pulley System

Aug 6, 2015 · Replies 12 · Dec 22, 2020

Replies: 12

Views: 11K

Why do bar magnets have zero velocity after collision?

Dec 22, 2020 · Replies 4 · Dec 22, 2020

Replies: 4

Views: 1K

Moments Question (ENGAA 2019) -- Cable and Winch Lifting a Drawbridge

Oct 20, 2020 · Replies 17 · Dec 22, 2020

Replies: 17

Views: 4K

How much weight can the balloon lift?

Dec 22, 2020 · Replies 13 · Dec 22, 2020

Replies: 13

Views: 3K

Advice needed: Astronomy radiation problem

Dec 21, 2020 · Replies 1 · Dec 21, 2020

Replies: 1

Views: 1K

Find the Center of Mass for each of these figures

Dec 20, 2020 · Replies 8 · Dec 21, 2020

Replies: 8

Views: 1K

Induced voltage difference in a magnetic field

Dec 21, 2020 · Replies 1 · Dec 21, 2020

Replies: 1

Views: 1K

Can someone tell me which formula to use here? (time to boil water)

Dec 21, 2020 · Replies 1 · Dec 21, 2020

Replies: 1

Views: 1K

Can someone please clarify this formula? (hydrostatic pressure)

Dec 21, 2020 · Replies 6 · Dec 21, 2020

Replies: 6

Views: 2K

Law of Conservation of Energy Problem (kicking a soccer ball)

Dec 20, 2020 · Replies 4 · Dec 20, 2020

Replies: 4

Views: 3K

Operational Amplifiers & Resistors to form a Black Box

Dec 19, 2020 · Replies 10 · Dec 20, 2020

Replies: 10

Views: 2K

Force diagram for integrated exercise

Dec 19, 2020 · Replies 9 · Dec 20, 2020

Replies: 9

Views: 2K

Applying least squares to measurement of nuclei masses and Q-value

Dec 20, 2020 · Replies 1 · Dec 20, 2020

Replies: 1

Views: 1K

How Can I Improve DVM Accuracy in Physics Problems?

Dec 20, 2020 · Replies 1 · Dec 20, 2020

Replies: 1

Views: 971

Gravitational Potential Energy on an Incline

Dec 19, 2020 · Replies 1 · Dec 19, 2020

Replies: 1

Views: 2K

Why Does Increasing G in a Control Loop Cause Vo/Vi to Approach Unity?

Nov 22, 2020 · Replies 4 · Dec 19, 2020

Replies: 4

Views: 2K

What is the instantaneous potential?

Dec 16, 2020 · Replies 19 · Dec 19, 2020

Replies: 19

Views: 2K

What is the recoil energy of a nucleus produced in its first energy level?

Dec 17, 2020 · Replies 1 · Dec 18, 2020

Replies: 1

Views: 2K

Alice and Bob Flyby with Simultaneous Waving

Dec 18, 2020 · Replies 1 · Dec 18, 2020

Replies: 1

Views: 1K

Mass on an Incline with Spring Attached

Jun 19, 2013 · Replies 36 · Dec 18, 2020

2

Replies: 36

Views: 7K

Find the equilibrium position of this piston

May 1, 2014 · Replies 58 · Dec 18, 2020

2

Replies: 58

Views: 10K

Frame of reference question: Car traveling at the equator

Sep 30, 2020 · Replies 126 · Dec 18, 2020

5

Replies: 126

Views: 11K

Velocity of wind based on the shape of a smoke trail

Dec 17, 2020 · Replies 16 · Dec 18, 2020

Replies: 16

Views: 3K

Normal force on a rod by the rim of a bowl

Dec 17, 2020 · Replies 5 · Dec 17, 2020

Replies: 5

Views: 2K

Cylindrical container with a piston

Dec 17, 2020 · Replies 2 · Dec 17, 2020

Replies: 2

Views: 1K

Heat Engine Problem - Get Help Now

Dec 17, 2020 · Replies 1 · Dec 17, 2020

Replies: 1

Views: 1K

Potential inside a concentric sphere

Dec 17, 2020 · Replies 1 · Dec 17, 2020

Replies: 1

Views: 1K

Is This the Correct Method for Calculating the Time of Flight for a Projectile?

Dec 17, 2020 · Replies 2 · Dec 17, 2020

Replies: 2

Views: 2K

Decrease of Solar radius per year using Virial Theorem

Dec 17, 2020 · Replies 11 · Dec 17, 2020

Replies: 11

Views: 2K

Force at the end of a Rod at rest on an inclined surface

Dec 16, 2020 · Replies 14 · Dec 17, 2020

Replies: 14

Views: 3K

Find the function of velocity of a person that accelerates to a constant v

Dec 17, 2020 · Replies 3 · Dec 17, 2020

Replies: 3

Views: 2K

Calculating moments about a support point

Dec 6, 2020 · Replies 7 · Dec 17, 2020

Replies: 7

Views: 3K

Tension in a rotating ring under gravity

Dec 15, 2020 · Replies 19 · Dec 17, 2020

Replies: 19

Views: 3K

Electric Field of two line charges

Dec 17, 2020 · Replies 3 · Dec 17, 2020

Replies: 3

Views: 1K

Physics -- deriving Planck's constant

Nov 9, 2013 · Replies 6 · Dec 17, 2020

Replies: 6

Views: 3K

Imaging resolution for a microscope and eye

Dec 16, 2020 · Replies 5 · Dec 16, 2020

Replies: 5

Views: 2K

How to Find Linear Acceleration Without Cylinder Radius?

Dec 15, 2020 · Replies 2 · Dec 16, 2020

Replies: 2

Views: 1K

Thermodynamics pressure-temperature-volume problems

Nov 20, 2011 · Replies 5 · Dec 16, 2020

Replies: 5

Views: 3K

Revisiting Refrigeration Efficiency: Impact of Potential Typo on Calculations

Dec 14, 2020 · Replies 13 · Dec 16, 2020

Replies: 13

Views: 2K

Velocity from spring pushing on 2 masses

Dec 15, 2020 · Replies 3 · Dec 16, 2020

Replies: 3

Views: 1K

Determining non-conserved work from a collision

Dec 15, 2020 · Replies 3 · Dec 16, 2020

Replies: 3

Views: 929

Determining the accelerations -- two masses connected by a spring

Dec 15, 2020 · Replies 18 · Dec 15, 2020

Replies: 18

Views: 2K

Equilibrium Forces: Force to Move a Mass

Dec 15, 2020 · Replies 6 · Dec 15, 2020

Replies: 6

Views: 2K

Conservation: Mass Dropped onto a Spring, Find the Compression

Dec 13, 2020 · Replies 9 · Dec 15, 2020

Replies: 9

Views: 2K

Elastic collision between two balls with different masses

Dec 14, 2020 · Replies 8 · Dec 15, 2020

Replies: 8

Views: 5K

Physics Graph Word Problem -- Motion of a person skiing down a slope

Dec 14, 2020 · Replies 14 · Dec 15, 2020

Replies: 14

Views: 3K

Properties of materials like rubber bands

Dec 13, 2020 · Replies 17 · Dec 15, 2020

Replies: 17

Views: 2K

A sudden change in the depth of delta function potential well

Dec 12, 2020 · Replies 1 · Dec 14, 2020

Replies: 1

Views: 1K

Vectors and Trigonometry Homework Help

Dec 14, 2020 · Replies 6 · Dec 14, 2020

Replies: 6

Views: 1K

Force extension graph for copper wire

Dec 14, 2020 · Replies 1 · Dec 14, 2020

Replies: 1

Views: 3K

Two rotating masses balanced by a third mass (rotational dynamics)

Dec 14, 2020 · Replies 4 · Dec 14, 2020

Replies: 4

Views: 1K

Confirm if I'm Correct? "Page 49 Q: Time in Moving Frame?

Nov 28, 2020 · Replies 24 · Dec 14, 2020

Replies: 24

Views: 2K

Find the position of the electron at any time t

Dec 14, 2020 · Replies 7 · Dec 14, 2020

Replies: 7

Views: 2K

Maximum distance the airplane can cover

Dec 13, 2020 · Replies 13 · Dec 14, 2020

Replies: 13

Views: 2K

Probability dependence on potential

Dec 6, 2020 · Replies 8 · Dec 14, 2020

Replies: 8

Views: 873

Statics and friction -- Two articulated rods connected to blocks

Dec 13, 2020 · Replies 13 · Dec 14, 2020

Replies: 13

Views: 2K

Material properties -- Elastic and Plastic deformation in automobile crashes

Dec 13, 2020 · Replies 6 · Dec 14, 2020

Replies: 6

Views: 2K

Work Problem: Spring and Friction, find final Speed

Dec 13, 2020 · Replies 6 · Dec 13, 2020

Replies: 6

Views: 2K

Voltage restriction for nodes on the same branch?

Dec 5, 2020 · Replies 9 · Dec 13, 2020

Replies: 9

Views: 1K

What Are the Results of the Millikan Oil Drop Experiment?

Dec 13, 2020 · Replies 1 · Dec 13, 2020

Replies: 1

Views: 1K

Relationship between spectral distribution and Compton scattering

Dec 12, 2020 · Replies 13 · Dec 13, 2020

Replies: 13

Views: 2K

Compton Scattering: K, Wavelength Calculation

Dec 13, 2020 · Replies 2 · Dec 13, 2020

Replies: 2

Views: 2K

Heat related problem -- Mercury solidifying liberates some energy

Dec 11, 2020 · Replies 15 · Dec 13, 2020

Replies: 15

Views: 3K

Ideal gas law problem -- Pneumatic piston movement with air temperature changes

Dec 12, 2020 · Replies 11 · Dec 12, 2020

Replies: 11

Views: 3K

Fundamental Forces: finding velocity using different fields and forces

Dec 8, 2020 · Replies 28 · Dec 12, 2020

Replies: 28

Views: 3K

Can doubling the particle density in a fusion reactor increase energy output?

Dec 12, 2020 · Replies 3 · Dec 12, 2020

Replies: 3

Views: 1K

Angular Momentum: Spinning Mass

Dec 12, 2020 · Replies 10 · Dec 12, 2020

Replies: 10

Views: 1K

Rolling 3 objects on an inclined plane

Dec 12, 2020 · Replies 8 · Dec 12, 2020

Replies: 8

Views: 2K

Angular Momentum Problem: Rotation Rate

Dec 11, 2020 · Replies 5 · Dec 11, 2020

Replies: 5

Views: 1K

Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

By offering explanations, examples, and guidance on physics problems, this service helps students grasp the basic principles of the subject, fostering a solid foundation for more advanced physics studies.

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