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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Inelastic collision and angular velocity
- Lord Crc
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How Do Reaction Time and Braking Deceleration Affect Stopping Distance and Time?
- 9giddjl
- · Replies 4 ·
Phase change diagram for ice heated at constant rate
- Kater
- · Replies 3 ·
What is the frequency of the car's vibration
- saltyload
- · Replies 1 ·
Inelastic collision of two spheres with gravity and air resistance
- NeuronalMan
- · Replies 5 ·
Electric PotentialFind the electric potential midway between the two charges
- gadzuxs
- · Replies 3 ·
How Does Sound Intensity Change with Multiple Instruments?
- glasshut137
- · Replies 1 ·
Heat and max temperature Problem
- someone1029
- · Replies 4 ·
Finding charge and magnetic force for particle in uniform field
- soul5
- · Replies 1 ·
How Do You Calculate Specific Charge Without Given Charge and Mass?
- LouPhyGENIU
- · Replies 4 ·
Finding inductor current after current pulse ends in partial circuit
- Gear300
- · Replies 16 ·
Force on a Negative Charge Q1 in the Presence of a Long Rod
- jaded18
- · Replies 1 ·
Does the location of a switch affect current in a simple circuit?
- Peaceful
- · Replies 3 ·
Will air bubbles in tempered glass expand and break it when heated to 200°C?
- Fusilli_Jerry89
- · Replies 5 ·
Standing waves and harmonic waves
- glasshut137
- · Replies 1 ·
Torque needed to accelerate a grindstone with friction
- jaredmt
- · Replies 4 ·
What is the speed of propagation for a transverse wave on a string?
- Sheneron
- · Replies 2 ·
Need to find center of mass of a rod
- Oomair
- · Replies 7 ·
Comparing energy and charge in two parallel plate capacitors
- yuvlevental
- · Replies 5 ·
Concept related Electrical circuit question
- Learnphysics
- · Replies 1 ·
Determine the particle's equation of motion
- Sheneron
- · Replies 13 ·
How Do You Calculate Initial Angular Velocity with Constant Acceleration?
- blue5t1053
- · Replies 3 ·
Angular Velocity of 15kg Plate After 180 Degree Rotation
- Alexyboy
- · Replies 25 ·
Proportionality calculations (Coulombs Law)
- whitestrat
- · Replies 3 ·
How Do You Solve Gravity Fun Problems About Earth, Moon, and Sun?
- smashingtime
- · Replies 12 ·
Find initial velocity of 10kg sphere colliding with two 5kg spheres
- harryWin
- · Replies 3 ·
What is the wave speed of a transverse wave with given parameters?
- Hibiscus
- · Replies 4 ·
Magnetic field inside hole in half a wire
- Nick89
- · Replies 6 ·
How Do You Calculate Kinetic Friction on an Incline?
- tmoney9876
- · Replies 1 ·
Why Are My Mechanics Problem Solutions Incorrect?
- DigitalSpark
- · Replies 6 ·
Uncertainty in Electron's Momentum in a 52 x 10-15 m Sphere
- arod2812
- · Replies 1 ·
Finding the angle in radial-transverse motion for a belt problem
- Jason03
- · Replies 3 ·
Why do electron shells seem to move inwards as atomic number increases?
- gateman234
- · Replies 8 ·
How much work must be done to carry a +2.3 X 10^-3 C charge from 65 cm to 15 cm?
- jackster18
- · Replies 12 ·
Net Force on Rope in Tug of War?
- timseb
- · Replies 6 ·
Count rate at different distances using inverse square law
- _Mayday_
- · Replies 10 ·
Dielectric with a parallel-plate capacitor finding minimum area
- sonrie
- · Replies 9 ·
A coil with turns given magnetic field, time find the emf induced in the coil
- sonrie
- · Replies 4 ·
Can I treat i as a constant when solving integrals with e^{iavx}?
- Logarythmic
- · Replies 6 ·
Calculating Nitrogen Conversion to Ammonia at 773K Using the Law of Mass Action
- physics_newbi
- · Replies 1 ·
Angular momentum and velocity question, help
- t-bone-steak
- · Replies 2 ·
Weight and Wheel (Linear and Angular Acceleration)
- tizzful
- · Replies 2 ·
How Does Water Pressure Affect Buoyancy in Different Submerged Objects?
- alibaba2
- · Replies 1 ·
Is the Church Organ Pipe Open at Both Ends or Closed at One End?
- ledzeppelinpa
- · Replies 1 ·
Optics : Diffraction gratings.
- planesinspace
- · Replies 3 ·
Why was the Mars lander set spinning before its final rocket stage?
- forty
- · Replies 8 ·
Tension in string when monkey is at midpoint of bar
- TA1068
- · Replies 2 ·
Is velocity constant in uniform circular motion if speed is constant?
- StephenDoty
- · Replies 2 ·
Moment of Intertia of Spherical Cap?
- CasualDays
- · Replies 6 ·
Roller coaster triangulation problem
- drobtj2
- · Replies 1 ·
Turbine producing current - Ohmic heating
- soul5
- · Replies 1 ·
How Does Liquid Volume in a Soda Bottle Affect the Sound Frequency Produced?
- ledzeppelinpa
- · Replies 1 ·
Can X-rays Cause Electrons to be Emitted from Gold Foil?
- Nachore
- · Replies 2 ·
Catapult projectile formulas for velocity, range and height with counterweight
- >>>SiM>>>
- · Replies 3 ·
Calculating the Frequency of Oscillation for a Spring with a Hanging Block
- Goldenwind
- · Replies 7 ·
About the equation for net work done by nonconservative forces
- FisherDude
- · Replies 1 ·
A few questions regarding Newton's Laws
- Cursed
- · Replies 3 ·
What is the initial charge on capacitor C1?
- chiurox
- · Replies 5 ·
How Is Upward Force Calculated in a Lever System?
- Liamsbab
- · Replies 1 ·
How Is the Mass of Mars Calculated Using Orbital Data?
- iamkristing
- · Replies 4 ·
Energy to lower sea level by 1 cm using sand
- zero000
- · Replies 1 ·
Physics 30 - Static Electricity
- Kylah
- · Replies 1 ·
What Is the Radial Acceleration in an Olympic Hammer Throw?
- Cantworkit
- · Replies 1 ·
Conservation of linear momentum/Galilean relativity problem
- NoPhysicsGenius
- · Replies 7 ·
Two particles having charges separated by a distance
- sonrie
- · Replies 5 ·
Heat Loss in a House: Estimating k_eff
- gmarc
- · Replies 1 ·
Newton's rings: film thickness for light rings at 6250 angstroms
- Jason+Strife
- · Replies 8 ·
Calculating a particles most probable speed
- TFM
- · Replies 3 ·
Maximum speed and acceleration of a spring oscillator
- Sheneron
- · Replies 8 ·
Deriving moment of inertia for a uniform disk rotating about its central axis
- revres75
- · Replies 3 ·
Where Do Physics and Chemistry Distinctly Diverge?
- gateman234
- · Replies 2 ·
Time dilation (special relativity) problem
- palex3
- · Replies 3 ·
Calculating Max Voltage Across Resistor Network
- Jstew
- · Replies 3 ·
How Do You Solve Equilibrium Problems in Physics?
- jinman
- · Replies 8 ·
Question Regarding Bulk Modulus
- Ithryndil
- · Replies 1 ·
What Determines the State of Matter of Elements at STP?
- gateman234
- · Replies 2 ·
Sled on incline: distance traveled, static friction condition, speed returning down
- Return
- · Replies 7 ·
Elongation Calculation for Non-Uniform Forces: Which Force Should Be Used?
- manjuvenamma
- · Replies 4 ·
Is the matrix P = [[0,0],[1,1]] an orthogonal projection?
- mistymoon_38
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Finding RLC from Freq and Impediance (AC Ckt)
- i4k20c
- · Replies 10 ·
How Do You Calculate the Center of Mass for Multiple Cubes?
- Oomair
- · Replies 1 ·
What is the Period of Oscillation for a Charge in an Electrostatic Field?
- triplebig
- · Replies 1 ·
What Sets a Current Pulse Apart from a DC Circuit?
- Gear300
- · Replies 2 ·
How Does Resistance Change with Different Metals and Dimensions?
- sonrie
- · Replies 14 ·
Tracing Energy Transfer in Heat and Work: Hands Rubbing and Water Evaporation
- krzyrice
- · Replies 2 ·
Calculating Energy Needs: Converting KWh to g/year in a Typical Home
- PhysicFailure
- · Replies 1 ·
How Far Does a Kangaroo Jump on Planet Y?
- jacksonbobby5
- · Replies 6 ·
What is the maximum speed for a fairground roundabout with a 20º angle limit?
- mucky
- · Replies 4 ·
Momentum of pendulum after hitting it with bullet
- princesspriya
- · Replies 17 ·
Solve Water Refraction: Length of Stick's Shadow
- ttiger2k7
- · Replies 1 ·
Vertical spring - elevator question
- Volcano
- · Replies 10 ·
Pressure/Introductory Thermodynamics
- JamesL
- · Replies 2 ·
What Is the Oscillation Period of a Rod Attached to a Spring?
- bcjochim07
- · Replies 1 ·
Restoring Force- any suggestions?
- bcjochim07
- · Replies 1 ·
What is the condition for destructive interference in thin films?
- premed
- · Replies 3 ·
Voltage drop across emitter resistor in NPN transistor
- sanado
- · Replies 1 ·
Capacitor with a conducting core
- sonrie
- · Replies 4 ·
What is the Spring Constant of a DNA Molecule?
- manutd84
- · Replies 2 ·
How to Calculate Required Rocket Force for a Spinning Satellite
- caner_cem
- · Replies 15 ·
How high can an object jump with stronger gravity?
- jacksonbobby5
- · Replies 2 ·