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.
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Homework Help Guidelines for Students and Helpers
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Hey I posted in homework help but now it's gone
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Homework Help: Introductory Physics Formulary
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Why would this be accelerating positively?
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Pistons placed on top of communicating vessels
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How would I find data on the Luminosity of Cepheid variables?
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39
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Is Linear Momentum Conserved in This Case? (sliding box hits a floor tile)
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Notion of an integral as a summation
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Ray optics: velocity of image reflected off a moving mirror
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Analyzing torque of an automobile engine
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Calculating the Relative COG of Two Masses
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Confusion over acceleration of gravity as positive/negative
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A cylinder has two sides containing gas and water separately
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Finding the angular velocity of a pendulum
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Number of bright fringes given by diffraction grating on a screen
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How Many Lines Per Millimeter Does the Diffraction Grating Have?
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What’s gone wrong with my derivation of the Lorentz Factor?
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Force on a block placed on a rotating disc, calculated in different reference frames
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Find ratio of brightness & the distance the 6th dark fringe is from central fringe
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Coulomb's law to find electric field for charge density function
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Find smallest distance x from y-axis for both constructive & destructive interference to occur
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Find smallest value of y for constructive interference
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EMF induced in moving rod in B-field, why is "L" length of wire frame?
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Why is vertical displacement second order in horizontal displacement for coupled oscillator?
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Induced EMF due to a moving magnet
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Application of Derivatives
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How to calculate pressure when two forces are exerted
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Equivalent resistance of this 6-sided circuit
2
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Please help with this suggested solution involving electrostatic press
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Find the change in the time required, if acceleration increases by the differential amount 'da'
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Solving for potential using surface charge density of a sphere
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117
Tension in a string which connects 3 pulleys
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Gaussian wave packet problem
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Particle in one dimension wave function from Quantum Mechanics
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Minimal distance between two planes moving perpendicularly
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Analyzing acceleration of block on a ramp connected to a pulley
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Friction problem of a block sandwiched between 2 surfaces
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How friction acts on a block moving down a slope moving side to side
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How to find the equivalent resistance of this infinite circuit?
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Find the equivalent resistance of this circuit
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The div in cartesian coordinates
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Find the location of the diver's reflection in the convex mirror
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Find the electric field between 2 finite discs
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16
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Find the location and length of the final image
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Man pulling a boat along the water with a rope (from above on a steep bank)
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Material Selection - Hooke's law [not]
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Tension Force Problem (applying Work-Kinetic Energy Theorem)
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Falling mass, additionally accelerated by a rope
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Calculating torque on a pendulum
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Electric field lines outside a neutral conducting spherical shell
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How to calculate quality factor for RLC circuit?
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Gauss' law for charge distribution of a point charge at the origin surrounded by an insulating sphere
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Mass atop four springs with external input: Reduce vibration amplitude by factor of ten
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What is the meaning of the intercept of a particular solution to damped oscillator?
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112
What mass must be placed on the cord to keep the pulley from rotating?
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110
Ratio of volumes in a vertical cylinder with a piston
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Estimating damped harmonic oscillator parameters from this plot of the oscillations
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A rod that falls while rotating from the end of a table
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Question about Projectile Motion: Throwing a Flower Pot from a Balcony
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18
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330
Doubt regarding View factor/shape factor of infinite inclined plate
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127
The speed of the point of intersection of two uniformly moving lines
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24
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Theoretical velocities at different heights sliding down an inclined plane
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How to determine if electrical components are connected in parallel or in series?
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Electric flux through an inclined cylinder
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A charge q approaching two stationary charges q1 and q2
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Analyzing this 2-lens optical system
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Charge conservation for 3 parallel charged plates
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Force transmitted to a block in viscous fluid through a spring, cord, and pulley
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Two Inverted Pendulums connected by a rope
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Gauss' law problem -- Should the field due to both the inside and outside charges be taken into account?
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Help finding the change in potential energy in this problem
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Textbook 'The Physics of Waves': Linearity of Forced Oscillator
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239
Induced currents on a pair of separated dipole antennas
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150
Thermodynamic cyclic process - 2 isobaric and 2 adiabatic
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152
Ball launched from a height of 5 meters --- Projectile motion
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Block on top of an inclined plane, with a rough surface, that moves with constant acceleration
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41
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Energy analysis of the system (leaking bucket from Morin's "Mechanics"
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Textbook 'The Physics of Waves': Lifetime of SHM Oscillators
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Textbook 'The Physics of Waves': Calculating Work Done by Force
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228
Textbook 'The Physics of Waves': Reason to force us to consider complex solution for harmonic motion?
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391
Is there a limit on how much energy a photon might have in a FOR?
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How to parametrize motion of a pendulum in terms of Cartesian coordinates?
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Is the line integral of tangential force in pendulum equal to the negative of change in potential energy?
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What is meant by small oscillations for this potential energy function?
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161
Initial velocity of bird landing on horizontal wire modeled as spring
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7
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186
Circular motion of a Weightless rod
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18
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Electric field of point along the central vertical axis of a triangle
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3
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Proving Newton's 3rd law from conservation of momentum
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Finding speed of two billiard balls in elastic collision
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9
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210
Electromagnetism - Infinite plane of charge & Tension
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9
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Measurement of the Stefan-Boltzmann constant
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6
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202
Why is the superposition principle valid here?
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Morin 3.7 -- Block sliding sideways on an inclined plane
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11
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283
Mass vs. Weight
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29
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Equivalence of Euler-Lagrange equations and Cardinal Equations for a rigid planar system
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305
Rotating simple harmonic oscillator
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11
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Deriving speed equations | Elastic collision
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182
Force analysis of a spring-bob system
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2
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185
Block on top of moving slab, with a rough surface - When does v_b=v_s?
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27
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Impulse and perfectly inelastic collision between 2 points
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4
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176
Conservation of energy of a bow and arrow
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Stretched spring attached to the center of a pure rolling disk
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What is taken as datum level for the following absolute potentials?
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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.

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