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 do I find the specific latent heat of fusion of nitrogen?
- max1020
- · Replies 3 ·
Apparent frequncy of sound heard?
- desmond iking
- · Replies 1 ·
How Do I Find the Speed Without Friction?
- max1020
- · Replies 8 ·
Calculating Tension in a 3kg Block at 10cm from Left Side - 12N Force on Right
- PhysicsKid703
- · Replies 7 ·
An object suspended by a spool of string. (Angular momentum problem)
- letsfailsafe
- · Replies 1 ·
Electric Fields: Magnitude and Direction.
- OmniNewton
- · Replies 5 ·
Calculating frequencies and velocity
- catfish
- · Replies 6 ·
At the atomic level why is it harmful to stand in an electric field?
- needingtoknow
- · Replies 6 ·
Finding the Total mechanical energy
- max1020
- · Replies 2 ·
Why do negative charges spontaneously accelerate when they move to?
- needingtoknow
- · Replies 2 ·
Regarding the Electric Potential Formula
- needingtoknow
- · Replies 5 ·
How Does Measuring Voltage Before and After an Experiment Impact Uncertainty?
- Crovati
- · Replies 1 ·
Deriving Orbital Motion from Collisions in Travel along Chords
- LucidLunatic
- · Replies 4 ·
Is the Answer Correct? Dipping a Cylinder w/ Small Hole in Liquid
- dk_ch
- · Replies 3 ·
Projectile Motion Collision Problem
- TheRedDevil18
- · Replies 10 ·
What Is the Average Velocity of a Body Moving in a Circle with Constant Speed?
- bobie
- · Replies 19 ·
What is the Relationship Between Energy and Friction on an Inclined Plane?
- slaw155
- · Replies 5 ·
Zero electric potential related to electric field.
- bennyq
- · Replies 2 ·
Stable Beaker: Find CG for Max Stability
- Dinheiro
- · Replies 9 ·
Rotation Motion Problem: Finding Acceleration and Tensions in a Pulley System
- BrainMan
- · Replies 30 ·
A question on the lorentz transforms and special relativity
- pondzo
- · Replies 4 ·
Calculate Angular Velocity After Ball-Rod Collision
- Nirmal
- · Replies 15 ·
How fast will the car now move?
- max1020
- · Replies 9 ·
Phase difference of original and reflected wave
- somecelxis
- · Replies 4 ·
Understanding Geiger-Muller Counters: How Do They Detect Radiation?
- Blockmeister
- · Replies 1 ·
Optics: light refraction in prisms
- alingy1
- · Replies 2 ·
How can I create a Sankey diagram for wave power?
- physicsgal2
- · Replies 1 ·
Determine the mass of an object given the volume it has displaced
- needingtoknow
- · Replies 7 ·
What is the frequency of the wave reflected by the fish?
- somecelxis
- · Replies 2 ·
Doppler effect (the sound source moving towards observer)
- desmond iking
- · Replies 1 ·
Resultant forces on objects and springs
- slaw155
- · Replies 3 ·
Frequency of varaiation of sound intensity
- somecelxis
- · Replies 17 ·
Show that four points lie on a plane
- toupee
- · Replies 5 ·
Why Does Doubling Sound Sources Not Simply Double the Decibel Level?
- somecelxis
- · Replies 3 ·
Moment of inertia and torque problem
- bargain
- · Replies 6 ·
Photodiode and negative resistance
- ndnbolla
- · Replies 12 ·
The Theoretical Minimum book question
- OrigamiCaptain
- · Replies 4 ·
Origin for formula when an object is submerged in water
- needingtoknow
- · Replies 11 ·
Collision of Two Swinging Bars, Maximum Angle
- tzonehunter
- · Replies 3 ·
Why would adding more water increase the velocity of the water?
- needingtoknow
- · Replies 5 ·
Quantum Physics - Electron in a 1d Potential Well Question
- daleklama
- · Replies 1 ·
Frequency of string and tuning fork
- somecelxis
- · Replies 8 ·
Acceleration due to Gravity and Final Velocity
- Nathanael
- · Replies 11 ·
Finding Force Needed to Climb Wall: Friction Coefficient u & Angle @α
- paras02
- · Replies 3 ·
Dropping a ball and calculating its speed.
- msorm
- · Replies 10 ·
Energy Efficiency Assignment Help - 9th Grade
- lhicks
- · Replies 1 ·
Rotation of a rod about a fixed end
- blintaro
- · Replies 11 ·
Universal gravitational word problem test tomorrow
- max1020
- · Replies 21 ·
How Do You Calculate Net Force and Coefficient of Friction in Physics Problems?
- max1020
- · Replies 15 ·
Displacement word problem grade 11
- max1020
- · Replies 3 ·
Pressure diagram labelled incorrectly?
- needingtoknow
- · Replies 5 ·
Finding how long it will take the ball to reach 20m
- max1020
- · Replies 1 ·
Does pressure have anything to do with flow rate?
- needingtoknow
- · Replies 10 ·
What Are the Accelerations of a Block and Hemisphere Sliding Together?
- matineesuxxx
- · Replies 23 ·
Bernoulli's Principle Problem/Energy Conservation
- erinfalk
- · Replies 2 ·
Thermal Efficiency of a Heat Engine based on pV-diagram
- Jesse2789
- · Replies 23 ·
Resonant frequency calculations for 'solid object' systems
- HalcyonicBlues
- · Replies 2 ·
Finding current for each resistor at different times
- Jordan1361
- · Replies 5 ·
Total internal reflection: Question on angle of reflection.
- ssd
- · Replies 3 ·
Calculate Flow Rate: Find Water Velocity & Qty Collected
- physics337
- · Replies 1 ·
Parabolic track dynamics + calculus (Hard)
- Ruinmaniac
- · Replies 5 ·
Derive from projectile motion equation
- chinstixx
- · Replies 4 ·
Circuit Question Involving Resistors and Inductors
- Jordan1361
- · Replies 6 ·
How Does Light Refract Through a Prism with Different Angles?
- StumpedFrosh
- · Replies 1 ·
How much power physics question
- tennis38
- · Replies 5 ·
Calculating Power Needed for a Machine's Flight: Tips & Tricks
- tennis38
- · Replies 1 ·
Initial Velocity Calculation Help: Find V0 from 9.8m & 4.7m/s/s
- tennis38
- · Replies 1 ·
I lack the competence in basic physics
- CaptainUno
- · Replies 5 ·
Understanding Symbols in Physics Equations: What Do They Mean?
- BrainMan
- · Replies 7 ·
If you push something and it doesn't move does it have energy?
- needingtoknow
- · Replies 5 ·
Calculating the Flash Frequency in a Neon Lamp Circuit
- Myr73
- · Replies 7 ·
Elastic Collision 4: Final Velocities
- Karol
- · Replies 4 ·
Three diffrent frequency cause occurance of beat
- somecelxis
- · Replies 3 ·
What is the tension in the rope of a pulley system in equilibrium?
- brake4country
- · Replies 2 ·
Need help on this incline/slope problem .
- tennis38
- · Replies 7 ·
How Do You Prove the Equation and Find the Block’s Speed at Position L?
- Ruinmaniac
- · Replies 2 ·
What is the Angle of Impact Between Two Masses Rebounding at a 43° Angle?
- bobie
- · Replies 7 ·
A head-on Collision (Example #7) page 205 Cutnell & Jhonson Physics 8e
- gcombina
- · Replies 1 ·
Linear speed of a rotating sphere
- tahsphere
- · Replies 14 ·
Torque on a Coil: 20-Turn Rectangular Coil in Mag Field
- STEMucator
- · Replies 5 ·
"Potential of Concentric Cylindrical Insulator and Conducting Shell"
- tylerlu94
- · Replies 7 ·
Time to Rotate Metal Sphere 1 Time
- atomB
- · Replies 2 ·
Calculate the friction coefficient
- AfuBaf
- · Replies 1 ·
Angular Momentum Problem (from Giancoli)
- bobblo
- · Replies 1 ·
Apparent frequency of reflected wave
- desmond iking
- · Replies 5 ·
Rectangular Plate with Varying Density Across the Width
- taits2204
- · Replies 10 ·
Are the wavelength of standing wave and sound wave produced same?
- somecelxis
- · Replies 3 ·
Why Don't We Consider the Distance to the Earth's Center for Potential Energy?
- Karol
- · Replies 4 ·
What is the relationship between beat period and cosine cycles in a graph?
- somecelxis
- · Replies 8 ·
Distance traveled by projectile in Free Fall
- fluidity
- · Replies 3 ·
Factors affecting sound intensity
- somecelxis
- · Replies 5 ·
Confusion on a diagram in a scientific journal
- BrainMan
- · Replies 4 ·
What Are the Velocities of Two Masses Connected by a Spring at Initial Length?
- Karol
- · Replies 5 ·
Moment of inertia of rectangle without dd int
- stateofdogma
- · Replies 4 ·
Application of low resistance wire
- somecelxis
- · Replies 2 ·
Help understanding a vectors question
- daniw871
- · Replies 1 ·
What is the Geometrical Proof for the Coordinate Transformation Formula?
- Karol
- · Replies 2 ·
Solving the Spaceship Problem: Comparing Forces
- mrhoneycinnamo
- · Replies 2 ·
Projectile motion with air resistance
- matineesuxxx
- · Replies 14 ·