Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Relative electrical energy consumption for different light bulb color temperatures
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3
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651
Frequency of Reflected light in special relativity
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1
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547
Confusion about work done by a gas - Thermodynamics
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15
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1K
Thermal exchange between warm object and ideal gas
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2
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816
Thermodynamics: Two gases in a container
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1
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630
Show that the radius of the exoplanet is about 1/2 of Earth’s radius
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2
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813
Total Energy vs Average Energy (Thermo)
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11
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917
Electric flux from line charge through plane strip
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7
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6K
Investigation into electric guitar pickups
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4
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3K
Electric field created by point charges
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6
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845
Confusion about applying Faraday's law to a circuit
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3
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907
What's the energy stored in a parallel plate capacitor?
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14
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1K
Mass Pulley and torque -- Confusion in this Atwood machine problem
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11
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1K
Derive Gravitational Force and Field between two identical rods
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1
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463
A particle slides down a non-fixed hemisphere
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3
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795
Two spring-coupled masses in an electric field (one of the masses is charged)
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1
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939
Find the equivalent resistance of this circuit
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31
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4K
How Do I Draw a Decay Scheme in Radiochemistry?
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1
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677
Determine the type of measurement by classification
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2
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539
Rope tension problem: Mass hanging from a rope tied at an angle
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21
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1K
Potential in spherical shells
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2
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737
Internal Resistance Affect the Balancing Length in a Potentiometer?
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12
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998
Robot starts to overturn when reaching to pick up a load
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2
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584
Distance rolled of sphere vs cylinder with same m, r, and v
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5
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773
Determine energy required to stop rolling mass
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10
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715
Required force for sphere start rolling
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2
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724
Conservation of String Exercise
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5
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718
Reflection and Transmission of String Waves
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8
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1K
Tension in a rope hanging between 2 trees
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24
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1K
How do I calculate the Tension in a rope going over a smooth pulley?
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19
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1K
Liquid rocket engine excercise
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1
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965
Connecting a number of EMF sources in a circle to form a circuit
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9
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1K
Friction force on a ball falling through a body of water
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9
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1K
Is the Trigonometric Analysis of Conveyor Belt Forces Correct?
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6
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662
Gradient and Divergence in spherical coordinates
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3
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1K
Making a vehicle go straight on carpet
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8
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705
A Braking System with Spikes for Cars
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4
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737
Torque on a Circular Current Loop under a Misaligned Magnetic Field
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1
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1K
Rod with Current on Rails in Magnetic Field
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12
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2K
A problem in applying Kirchhoff's Voltage Law
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1
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819
Body attached to a block by a spring, shaped like an inclined plane
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1
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976
Ball revolving around a massive disc and a cube placed at centre
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1
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792
A cylinder rotating on a plane with friction and then moving across a frictionless plane to a collision
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1
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818
Finding the intermediate height of a ball in terms of its maximum height
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3
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834
Time taken for a planet to collide with the Sun
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10
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830
Why is there no current flow in the middle branch? (Circuits problem)
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8
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890
Temperature dependence of resistance
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6
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963
Find the density of surface charges at the boundary of two conductors with different resistivities
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6
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939
Trying to tie two runners of different speeds over a race
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30
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1K
Can Energy Conservation Solve the Angular Velocity Problem?
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6
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791
How do we represent a triangle wave for input voltage in this circuit?
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3
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763
Why is Radial Acceleration Ignored for a Rotating Board?
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9
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1K
Concept of different accelerations on rotations of rigid bodies
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10
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906
Relativistic Decay and Separation Between Moving Nuclei A and B
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1
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616
Looking for observed rotation periods of various Foucault pendulums at different latitudes
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6
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888
Textbook 'The Physics of Waves': Varying Force Amplitude
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3
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983
Expression for magnitude of the constant friction force
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7
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1K
Energy conservation equation to find equation for final velocity
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4
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1K
How Many Eggs to Turn a 40lb Flywheel in a Vacuum?
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10
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854
Effect of rim width on a frisbee's stability and range
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8
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689
Rocket + Connected Body Dynamics problem
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47
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3K
Quantum Mechanics Boundary conditions
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3
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752
Uncertainty in particle position
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3
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590
Reflection probability in Quantum Mechanics
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2
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612
Why is the direction of kinetic/static friction up a ramp?
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7
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1K
Heated gas pushing a mercury column out of a cylinder
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10
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853
Temperature of two subsystems at equilibrium
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7
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975
Doppler Effect Question: Flying Bat Echolocating a Mosquito
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12
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1K
Final momentum of box with reflective interior hit by ideal laser
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4
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939
Explain why applying different forces to objects of different masses result in different accelerations
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9
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1K
Incandescent Bulb - suitable approximation for voltage-current curve
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2
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975
Diophantine equations and physics
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1
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807
Underground cables faulty point detected
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24
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1K
Motion of an electron inside the cavity of a charged sphere
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5
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911
How to solve this driven RLC circuit?
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13
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1K
Electrostatics and current problem with 3 metallic balls
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29
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1K
How to set up this problem with driven torsional oscillator?
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5
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922
Find the mass of odium for both solid and liquid state
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9
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891
Find the final temperature of the combined honorite and odium?
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5
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728
Difference between maximizing amplitude by choosing omega_0 given omega_d versus choosing omega_d given omega_0.
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4
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896
Mechanisms Involved When Charging a Battery
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10
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1K
Find final temp of 2 substances once they have reached equilibrium
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6
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917
What is the meaning of the intercept of a particular solution to damped oscillator?
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7
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938
Magnetic Field of an infinite current-carrying wire at a point
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5
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1K
To what extent does this system behave as a pendulum?
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1
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915
Force on a block placed on a rotating disc, calculated in different reference frames
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25
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2K
How does a simple circuit work?
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12
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1K
Why is current constant through a resistor?
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11
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1K
Did I Misuse the Parallel Axis Theorem for Polar Moment of Inertia?
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2
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904
Why is the current in a conductor equal to zero when not connected to a circuit?
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13
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945
Why does electric potential energy increase if you move against the field?
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6
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2K
Determining angular velocity of weight attached to a cord and cylinder
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23
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1K
Electromagnetic force on a positively charged particle
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3
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667
Why would this be accelerating positively?
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6
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995
Calculating the Relative COG of Two Masses
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20
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2K
Pistons placed on top of communicating vessels
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20
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1K
Is Linear Momentum Conserved in This Case? (sliding box hits a floor tile)
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2
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932
Ray optics: velocity of image reflected off a moving mirror
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5
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1K
Analyzing torque of an automobile engine
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6
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946
Confusion over acceleration of gravity as positive/negative
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10
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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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