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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How Fast Must a Block Slide to Circle a Loop After Inelastic Collision?
- physicslover11
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Finding Intensity from an Electric Dipole
- RLOrion
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A force F is exerted on the top right corner of a rectangular plate at
- cmkc109
- · Replies 12 ·
Finding resonance frequency of a hanging mass on a spring
- Turion
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What is the Total Energy of a System with Given Values of Mass and Length?
- Clever_name
- · Replies 46 ·
What happens to stress and strain beyond the ultimate tensile stress?
- Nemo's
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Collision between two particles.
- coconut62
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Find the distance that a force stretches a spring.
- student34
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Capacitors - m having problem calculating the potential difference
- exuberant.me
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Relativity, time difference from two planets
- Sixty3
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Will the spoon fall on the earth?
- Sya gars
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Conservation of momentum, Elastic car collision.
- Zsmitty3
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What is the Gravitational Force and Acceleration of Jupiter on its Moon Io?
- RubenL
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Finding air speed exiting rough and smooth pipes in a wind tunnel
- dan-g
- · Replies 30 ·
Deflection of electron beam in cathode ray tube
- skate_nerd
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Conservation of Momentum- Elastic collision
- MostlyHarmless
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What Determines the Electric Field Inside a Spherical Conductor?
- pietastesgood
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Transition of Calcium Hydrogen-like Ion
- TerraForce469
- · Replies 7 ·
Could Paul Revere discern if there were one or two lanterns?
- Plasmosis1
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Calculating Angular Momentum: Converting Units and Solving for Mass and Velocity
- Sneakatone
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Doubling the energy of an oscillating mass on a spring
- Turion
- · Replies 11 ·
What is the Minimum Speed Needed for a Motorcyclist in the Globe of Death?
- shaquilleoneal
- · Replies 1 ·
A projectile is shot straight up from the Earth's surface
- chicagobears34
- · Replies 12 ·
Can a spy satellite read the house number on your mailbox?
- Plasmosis1
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How is hall voltage ΔV = Ed derived?
- Turion
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How is Work Done Calculated for a Car Accelerating Uphill?
- MMCS
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Suppose in the previous problem m3 balances the see-saw by pulling now
- oneshot
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Finding Velocity and Impulse using Energy Considerations.
- FaraDazed
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Attempt to combine Charles and Boyles laws
- johns123
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Electric field in special relativity
- Unicorn.
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Given 2 indexes of refraction, how do I figure out thickness of oil
- riseofphoenix
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. Suppose you are pushing a 60 N uniform crate at rest with a horizont
- cmkc109
- · Replies 9 ·
Are capacitors with shared plates but separate charge paths in parallel?
- CAF123
- · Replies 25 ·
Photons per Unit Volume (Quantum)
- trevor51590
- · Replies 4 ·
A problem involving Newton's second law.
- Clever_name
- · Replies 47 ·
How Does a Voltmeter Respond to Induced EMF in a Circular Wire Loop?
- NaOH
- · Replies 9 ·
Finding Work Done, Acceleration, Force and Time
- FaraDazed
- · Replies 6 ·
Work done by a gas with only pressure and volume
- PhizKid
- · Replies 5 ·
Package falling through a planet via straight tube
- inferno298
- · Replies 8 ·
Energy conversion with constant velocity
- ZanyCat
- · Replies 1 ·
Magnetic Flux through a Rectangular Loop Due to a Straight Wire
- Bashyboy
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What is the electric field and potential difference between two charged spheres?
- mateye10
- · Replies 3 ·
Inertia of Momentum: Initial CG Y Coordinate
- Krobinson2851
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Air pressure/atmosphere problem
- boognish
- · Replies 4 ·
Centre of mass, collision, momentum
- karanbir
- · Replies 1 ·
Conservation of energy problem
- boognish
- · Replies 1 ·
How Is the Efficiency of the Diesel Cycle Derived Using Compression Ratios?
- xspook
- · Replies 5 ·
Calculate I1, V Drop R1, V Drop R2, I2 for Circuit w/Diode
- pyroknife
- · Replies 4 ·
Spring force and the period of it's ocilation
- Robertoalva
- · Replies 1 ·
Plucked string, potential energy
- Unicorn.
- · Replies 11 ·
Rolling down a ramp - find acceleration
- serverxeon
- · Replies 1 ·
How to Find i2 in Complex Circuit?
- Questions999
- · Replies 11 ·
Collision and Spring Constant: Calculating Amplitude for a Mass-Spring System
- Yosty22
- · Replies 1 ·
To find out if the ball goes over the wall, you need to
- KP725
- · Replies 1 ·
Question on Radioactivity, Activity and Age Estimations.
- Wesc
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Rotational Mechanics - Question
- sankalpmittal
- · Replies 33 ·
Calculating net force on four masses around a center mass?
- rockchalk1312
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How to find height of original hill (roller coaster loop problem)
- Mikhowl
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Maximum Velocity for Elliptical Orbit
- BBAI BBAI
- · Replies 7 ·
Force required to keep a wooden block from sliding on a rough incline
- nishantve1
- · Replies 3 ·
Find charge field within coaxial cables
- physninj
- · Replies 1 ·
Finding short circuit current for Thevenin equivalent
- Dieinhell100
- · Replies 7 ·
Increasing resistance and the effect on voltage
- dr2453
- · Replies 5 ·
The Temperature Profile of a Spherical Cloud of Ideal Gas
- Saitama
- · Replies 15 ·
How to evaluate the work integral with dot product
- ZanyCat
- · Replies 3 ·
Conservation of Angular Momentum sun problem
- Godcanthelp
- · Replies 1 ·
Analytical method of vector addition
- cDamann
- · Replies 3 ·
Ferris wheel angular acceleration with radial and tangential components
- firezap
- · Replies 7 ·
Static equillibrum problem (FBD)
- jklops686
- · Replies 2 ·
Person falls on mattress: draw speed-time graph
- alingy1
- · Replies 5 ·
Finding which car caused a four-way stop crash
- JeffG
- · Replies 10 ·
Momentum and Impulse separation question
- thepagal
- · Replies 1 ·
Mechanics Problem - Power, Finding The Resistance and Acceleration
- FaraDazed
- · Replies 5 ·
How Much Work Does a Child Do Pulling a Toboggan Up a Hill?
- x86
- · Replies 2 ·
Percentage error and significant figure
- mrcotton
- · Replies 2 ·
How Does Impact Affect Angular Momentum and Velocity in a Rotating Disk System?
- luckyg14
- · Replies 3 ·
The Rate at which kinetic energy changes to thermal energy
- Pruddy
- · Replies 2 ·
The rate at which the energy in the wire is transformed into kinetic
- Pruddy
- · Replies 4 ·
Speed of a pendulum at lowest point
- skate_nerd
- · Replies 2 ·
Determining fundemental frequency from experiment
- susdu
- · Replies 6 ·
Conservation of Momentum in Skating Question
- Ketchup1
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Finding the distance between 2 charges in electric equilibrium.
- Ram012593
- · Replies 3 ·
Magnitude of the Force of friction
- RubenL
- · Replies 3 ·
CIRCUIT ANALYSIS: Use source transformation to find the Voltage Vo
- VinnyCee
- · Replies 8 ·
How Close Can You Get to a Pulsar Without Being Torn Apart?
- dendiego
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AC Circuits - peak to peak voltage
- pyroknife
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Simple Harmonic motion : Is energy conserved
- hms.tech
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Why is T2 removed in low signal circuit analysis?
- Drao92
- · Replies 5 ·
Why is D the correct answer for this thermistor question?
- captinkareem1
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Solving Transformer Problems: Primary and Secondary Coils
- kkarapet
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How Can You Determine Component Values in an RLC Circuit Lab?
- WoodyHD
- · Replies 1 ·
Electricity question on the power generated by power stations.
- Delpo
- · Replies 3 ·
How Do You Determine the Physics Behind a Fairground Slingshot?
- PhysicsThrow
- · Replies 26 ·
Finding potential energy from force graph at x=0 to 1.1
- Rimi
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Maximum Capacity of a Flat-Bottomed Rowboat
- enceladus_
- · Replies 9 ·
How did we come about dicovering energy and why is Joule its unit?
- Melac12
- · Replies 7 ·
Apparent weight in an elevator intuition
- Normalization
- · Replies 9 ·
How do I calculate capacitance on an LC circuit?
- jim the duke
- · Replies 7 ·
Confusion about physics vectors in question
- x86
- · Replies 4 ·
A book is pushed against a vertical wall at an angle
- purplepig
- · Replies 7 ·