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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What is the value of b for a damped harmonic oscillator with given parameters?
- Jrlinton
- · Replies 2 ·
Luminosity of the Earth covered in bulbs
- Stendhal
- · Replies 2 ·
Why Are Stars Hot and How Does Fusion Affect Their Temperature?
- dykuma
- · Replies 9 ·
What is the tension in the lift cable and in the string?
- Starrrrr
- · Replies 19 ·
Proton is moving at an alpha particle, distance when it stops
- niveda
- · Replies 3 ·
Designing a transformer investigation using all given equipment
- Jimmy87
- · Replies 5 ·
Car Crash Work and Energy Problem
- a1234
- · Replies 12 ·
How Does Angular Velocity Affect the Ball's Position on a Basketball Hoop?
- Vrbic
- · Replies 15 ·
Choosing different axes in the same system
- Carpetfizz
- · Replies 6 ·
Resultant amplitude for waves of different frequencies?
- mintkints
- · Replies 1 ·
Velocity vector and velocity intensity
- doktorwho
- · Replies 3 ·
What is V of the small rocket as observed from inside it?
- Axidecimal
- · Replies 12 ·
Changing velocity of object in space
- Phys_Boi
- · Replies 3 ·
How do you find object's velocity and height using energy?
- Sciencelover91
- · Replies 3 ·
How many slits for a discrete spectrum?
- Drizzy
- · Replies 1 ·
How far apart are the stations?
- Starrrrr
- · Replies 7 ·
When would the normal force not equal the weight?
- gungo
- · Replies 3 ·
Movement of electron in an nonuniform E and B fields
- sergiokapone
- · Replies 9 ·
The maximum magnitude of the electric field of a sphere
- sliperyfrog
- · Replies 16 ·
Calculate Impulse and average force
- Starrrrr
- · Replies 10 ·
Constructive interference in oil film on water
- Rae__
- · Replies 1 ·
Hertzsprung-Russell Diagram question
- Taylor_1989
- · Replies 1 ·
Finding the radius of curvature of trajectory
- doktorwho
- · Replies 7 ·
Free Fall and a Projectile motion question
- rockcandy
- · Replies 10 ·
Magnitude of a component of a triple star
- TheSodesa
- · Replies 3 ·
Diffraction Grating wavelength
- ReidMerrill
- · Replies 3 ·
What is the Correct Equation for Angular Acceleration in this Flywheel Problem?
- k_squared
- · Replies 8 ·
Vertical acceleration of a yo-yo using moment of inertia
- Cepterus
- · Replies 4 ·
Series vs parallel battery connections for a light bulb
- banoosh
- · Replies 2 ·
Windmilling arms to regain balance on a cliff
- Katie Morton
- · Replies 3 ·
Finding distance to a distant F0 star given brightness ratio
- Taylor_1989
- · Replies 14 ·
Why Do Microscopes Use Magnification Labels and Vision Correction Uses Diopters?
- amberita
- · Replies 1 ·
Velocity equations for length contraction and time dilation
- Axidecimal
- · Replies 6 ·
How can the Doppler effect be used as a motion detector?
- huffy
- · Replies 16 ·
Ball Rolling Without Slipping On A Turntable
- anon11
- · Replies 16 ·
Reducing voltage with two resistors
- banoosh
- · Replies 4 ·
What is the wavelength of a sound wave?
- huffy
- · Replies 4 ·
Magnetic field in a circular loop
- horsedeg
- · Replies 6 ·
Does the sun or the moon have a greater affect on the tides?
- Vitani11
- · Replies 4 ·
Pulsing an LED during muon detection
- rmiller70015
- · Replies 3 ·
Explain how postulates are synthesized into Special Relativity?
- Axidecimal
- · Replies 4 ·
How to find the force exerted on a particle on the Earth by the Sun
- Vitani11
- · Replies 1 ·
Charge in a Magnetic Field question
- Lonewolf393
- · Replies 1 ·
How Is the Area of a Relativistically Contracted Football Field Calculated?
- Turhan
- · Replies 7 ·
Direction of Electric field (EM induction)
- Rod Alexei
- · Replies 3 ·
Why does induced current flow along a moving rod perpendicular to the magnetic field?
- Clara Chung
- · Replies 10 ·
What happens to electromagnetic radiation during collision?
- Vitani11
- · Replies 2 ·
Why Does Induced Current in a Solenoid Flow Left to Right?
- Clara Chung
- · Replies 2 ·
Why do you integrate to find the gravitational field?
- Vitani11
- · Replies 3 ·
What is the Direction of A X B Using the Right Hand Rule?
- belvol16
- · Replies 3 ·
Finding tension in ropes supporting a concrete pipe
- Noreturn
- · Replies 14 ·
What is the force imparted by the bullet on the block
- hamza2095
- · Replies 8 ·
What's the relation between angular resolution and distance
- Cocoleia
- · Replies 3 ·
Volleyball projectile motion with net and boundary constraints
- agargento
- · Replies 19 ·
How to find maximum force on a velocity vs time graph
- AnonymousAnonymous
- · Replies 2 ·
Error propagation (tape shorter than measured length)
- FranzDiCoccio
- · Replies 6 ·
Determining the velocity function
- doktorwho
- · Replies 4 ·
What is the binding force for a falling disk with string?
- Vrbic
- · Replies 9 ·
Finding velocity when a projectile lands 2.0 m above launch height
- gungo
- · Replies 9 ·
Circular orbits in Schwarzschild geometry
- alc95
- · Replies 1 ·
Moles of gas helium balloon; buoyancy; PV=nRT
- rsera
- · Replies 3 ·
Solving for the trajectory in the polar coordinate system
- doktorwho
- · Replies 7 ·
Possible Wavelength Difference Between Two Rays Passing Through a Prism?
- Stacey Freels
- · Replies 22 ·
Calculating Armature Torque for 250V DC Motor
- Reefy
- · Replies 13 ·
Figuring out why experimental results are different
- RoboNerd
- · Replies 13 ·
Golf ball at 17° to reach 250 m green with same height
- gungo
- · Replies 11 ·
How to Calculate the Working Range of a Radar Placed 35m Above Sea Level?
- prehisto
- · Replies 7 ·
How Long Does It Take for the Block to Reach the Other Side?
- rmb16
- · Replies 3 ·
Momentum question asking ratio of final 2 velocities
- hamza2095
- · Replies 2 ·
Simple Harmonic Motion - Determine the period of oscillation
- KevinFan
- · Replies 6 ·
Temperature as a function of vibration energy quanta
- physicstudent_B
- · Replies 1 ·
Sunlight, Intensity, electric field RMS
- ooohffff
- · Replies 3 ·
Estimate the radiation pressure
- ooohffff
- · Replies 4 ·
Is My Solution for the Kirchov's Current Law Differential Equation Correct?
- Alex Katko
- · Replies 11 ·
Power drawn by a water pump to project water through nozzle
- omoplata
- · Replies 1 ·
What is the Electric Field inside this charged sphere?
- k_squared
- · Replies 1 ·
Two solid hemispheres, one resting on top of the other
- Dustgil
- · Replies 12 ·
Energy partitioning (Attenuation)
- stubbe11
- · Replies 4 ·
Universal Gravitation and/or Tidal Force
- catphysics
- · Replies 1 ·
How much water boils off when a hot horseshoe is dropped in
- Shmiam
- · Replies 33 ·
Universal Gravitation and/or Tidal Forces?
- catphysics
- · Replies 1 ·
How Do You Calculate the Motion of a Baseball Thrown Upwards?
- gungo
- · Replies 3 ·
Calculate the maximum electrical force on a ball
- doktorwho
- · Replies 5 ·
What Happens to an Object with Negative Mass in Physics?
- Just_enough
- · Replies 4 ·
Acceleration of a rotational and translational system
- songoku
- · Replies 20 ·
Combining Newton's Laws and Kinematic
- gungo
- · Replies 1 ·
Interpreting a system matrix (optics)
- JulienB
- · Replies 1 ·
Period of pendulum moved to Jupiter's moon Io
- robax25
- · Replies 18 ·
What is the resistance between two resistors?
- ImpCat
- · Replies 30 ·
Will a 55 kg box move with 156 N applied at 18° above horizontal?
- Shannonvi
- · Replies 5 ·
Intro to Angled Forces and Vectors question?
- rabbitgears
- · Replies 2 ·
AP Physics: Designing a Loop to Pull 4 G's
- Daniel Abramow
- · Replies 3 ·
Range of Final Velocities in Collision of 10kg Ball and Sm. Mass Ball
- Hereformore
- · Replies 11 ·
How Is the Correct Weight Calculated in a Russell Traction Apparatus?
- Du57mi73
- · Replies 7 ·
Solar Panel - Voltage and Current from Spectral Radiance
- Hannah Vioula
- · Replies 3 ·
The Electrical energy of a conducting cylinder
- doktorwho
- · Replies 12 ·
Generating current through increasing capacitance
- Dilemma
- · Replies 3 ·
Frictional Forces-finding velocity and distance
- gungo
- · Replies 4 ·
Electric field everywhere for a hollow cylindrical conductor?
- Vitani11
- · Replies 2 ·
How to create an equation for changing friction?
- fi245
- · Replies 15 ·