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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Newton Third Problem Ball on a Scale - part 2
- Sabellic
- · Replies 4 ·
How Far Does a Pellet Fly After Midair Explosion?
- bodensee9
- · Replies 10 ·
Question from Problems in General Physics (Irodov)
- vijay_singh
- · Replies 3 ·
Measuring gravity with a ball bearing and high speed camera giving low results
- wjlancas
- · Replies 10 ·
Solubility of a gas in water Kinetic Molecular Theory
- daNAV1GATOR
- · Replies 2 ·
Conservation of Energy ski jump problem
- akoma714
- · Replies 7 ·
Will a Metal Sphere's Charge be Uniformly Distributed?
- chukie
- · Replies 6 ·
Newton's 2nd Law for a Particle in Uniform Circular motion
- clintau
- · Replies 10 ·
How Strong is the Attraction Between Two Humans After Electron Transfer?
- chukie
- · Replies 2 ·
Solving for Total Magnetic Flux and Induced EMF
- rock.freak667
- · Replies 1 ·
Work Question - Is something missing?
- Sabellic
- · Replies 5 ·
Solve Pith Ball Charge: Equal Charges on Two Balls
- chukie
- · Replies 4 ·
Solving Masses and Pulley for Acceleration and Tension
- 00PS
- · Replies 2 ·
Baseball Player Hits Home Run: Calculating Velocity and Flight Time
- dralion87
- · Replies 2 ·
How Can I Solve These Rotational Kinematics Problems?
- HT3
- · Replies 3 ·
Finding an applied physics thesis topic with programming or experiments
- boracay
- · Replies 3 ·
How Do You Calculate the Field of a Semi-Infinite Line Charge?
- marina
- · Replies 1 ·
What Height Was the Baseball Dropped From Based on Its Momentum?
- alyson42
- · Replies 6 ·
Solving the Elevator Problem: Determining the Normal Force on a 100kg Bag
- devanlevin
- · Replies 1 ·
Finding resultant displacement from four vector segments
- scottzilla
- · Replies 6 ·
DOUBLE slit interference experiment
- ah lai
- · Replies 3 ·
Pendulum in Water: Period and Resistance
- liz6
- · Replies 1 ·
Linear Damping Model: Help Solving Forces & Displacement Vector
- moolimanj
- · Replies 2 ·
Maximum bike speed on a curve with friction and banking angle
- guardians
- · Replies 7 ·
Where Can I Find Detailed Information on Unit Vectors?
- Abdul Wadood
- · Replies 3 ·
What is a vector and why is it needed?
- Abdul Wadood
- · Replies 1 ·
Calculating Average Force of a Fire Hose
- chukie
- · Replies 2 ·
Simple harmonic motion and oscillation
- warmfire540
- · Replies 19 ·
Finding helicopter heading from wind and velocity vectors
- chukie
- · Replies 7 ·
Ploting trajectory, including air resistance.
- randomvictim
- · Replies 7 ·
Calculating Speed of Sports Car at Inelastic Collision
- ace123
- · Replies 2 ·
Explaining gun recoil using Newton's laws
- tim_mannire
- · Replies 8 ·
How do kinetic energy and momentum apply to bicycle helmet design?
- yahman
- · Replies 4 ·
Helicopter blade energy physics problem
- Kris1120
- · Replies 1 ·
Why do you lunge forward when a car stops or accelerates?
- tim_mannire
- · Replies 2 ·
Elastic collision with cube of half mass after sliding down incline
- 0338jw
- · Replies 3 ·
How much work is done by frictional force on a block moving toward equilibrium?
- c4iscool
- · Replies 7 ·
Elastic Collision Solution: Solving for Final Velocities
- 0338jw
- · Replies 3 ·
Specific/Latent Heat and Melting Iron
- Anony-mouse
- · Replies 3 ·
How Is Frictional Force Doing Work on a Sliding Block?
- c4iscool
- · Replies 1 ·
What is the diameter of the baby's head based on ultrasound echoes?
- Boogeyman
- · Replies 3 ·
Differences between the properties of the water hydrostatics
- bungle
- · Replies 1 ·
Will the voltage or potential difference change?
- MIA6
- · Replies 7 ·
Show that the force Fx=(3N/m)y, Fy=0 is not conservative
- chem engineer
- · Replies 7 ·
How Do You Calculate the Force Exerted by an Orthodontic Wire on a Tooth?
- okaymeka
- · Replies 4 ·
Calculating Work and Initial Displacement with Cross Product
- Failure007
- · Replies 5 ·
Photoelectric Effect and the human eye
- daveyman
- · Replies 5 ·
The rotation of the earth and acceleration due to gravity
- ace123
- · Replies 19 ·
Calculating Energy Change in Compton Scattering
- ajhunte
- · Replies 4 ·
How Fast Must an Astronaut Run in Skylab to Mimic Earth's Gravity?
- physicsdawg
- · Replies 1 ·
Mixing of Gases: Pressure in Connected Cylinders
- its_thepip
- · Replies 2 ·
Conducting loop rotating in a magnetic field
- MIA6
- · Replies 1 ·
Energy released in deuterium fusion reaction
- NDiggity
- · Replies 3 ·
How Can a Juggler Determine the Time Interval Between Successive Throws?
- Alienjoey
- · Replies 2 ·
What Is the Minimum Velocity Required to Reach a Rising Hot Air Balloon?
- gerry73191
- · Replies 3 ·
Newton's Third Law - Weight on Scale when catching a ball
- Sabellic
- · Replies 1 ·
What is the total work done on the object?
- MIA6
- · Replies 4 ·
Force needed to accelerate electron
- MIA6
- · Replies 4 ·
How Many Electrons Are Removed to Achieve a Positive Charge on an Electroscope?
- ital_dj
- · Replies 10 ·
Speed of Proton (given electric potential difference)
- bec2008
- · Replies 2 ·
A couple of question regarding tension and Newton's laws
- guardians
- · Replies 4 ·
Solving Physics Problems: Tension, Speed, and Resistive Force
- Raider.
- · Replies 1 ·
What is the speed of sound in the metal?
- guardians
- · Replies 1 ·
What is the maximum height the ball reaches
- chukie
- · Replies 2 ·
Where does charge come from during capacitor charging and discharging?
- katchakern200
- · Replies 1 ·
Determine the tensions in the two cords
- student 1
- · Replies 18 ·
Circular Motion and calculating time
- ForgottenMemo
- · Replies 11 ·
Calculating Angular Velocity and Gear Ratio for a Winding Drum
- ForgottenMemo
- · Replies 2 ·
Temperature and Frequency: Calculating Percent Difference for Piano Tuning
- Anony-mouse
- · Replies 4 ·
Hollow steel roller rolling down a slope: mass, moment of inertia, energy, speed
- Buddy123
- · Replies 6 ·
How Far Will a Car Slide Uphill vs Downhill When Braking?
- domagoj412
- · Replies 3 ·
How Does a Double Slit Create Coherent Light from an Incoherent Source?
- Freyth
- · Replies 2 ·
Finite wire in magnetic field, determine time and electric potential
- scholio
- · Replies 5 ·
Magnetic force, finding angle between velocity and magnetic field
- scholio
- · Replies 4 ·
High School relative Velocity question
- Nicole13
- · Replies 2 ·
Induced current and voltage, magnetism
- scholio
- · Replies 5 ·
Finding mass of charged particle - magnetic field
- scholio
- · Replies 4 ·
Loop and solenoid, find the current
- scholio
- · Replies 1 ·
Minimum height for a mass to complete a vertical loop without losing contact
- Hannisch
- · Replies 8 ·
Infinite wire carrying current, magnetic field
- scholio
- · Replies 10 ·
Current on wire, three axes, magnetic force
- scholio
- · Replies 4 ·
Infinite wires with current, magnetic field vector
- scholio
- · Replies 1 ·
Why Does Helium-3 Have a Higher Binding Energy Than Deuterium?
- Freyth
- · Replies 11 ·
How far will this bullet drop in 3 seconds
- MIA6
- · Replies 1 ·
Cooling Off (Heat, Temperature and Phase Changes)
- Pat2666
- · Replies 3 ·
Find the Linear Speed of a Bucket in a Well with Hand Crank at 1.15 m/s
- Kris1120
- · Replies 1 ·
Force on an electron from a magnetic field
- brett812718
- · Replies 4 ·
Does displacement depend on choice of origin and positive direction?
- gerry73191
- · Replies 7 ·
Does object 2 do work on object 1 if object 1 does 15 J of work on it?
- student 1
- · Replies 6 ·
How to Calculate Shock Wave Cone Angle and Plane Speed in a Sonic Boom Situation
- negatifzeo
- · Replies 4 ·
A perfectly inelastic collision?
- 00PS
- · Replies 3 ·
Ideas for a Senior Project in Photovoltaics
- Moneer81
- · Replies 1 ·
Superposition and Interference problem
- habibclan
- · Replies 6 ·
Solve Algebra Question: Projectile Fired at 30m/s, Angle 60°, 7.5s Later
- doucette1717
- · Replies 5 ·
Finding temperature after something falls
- crazyog
- · Replies 3 ·
Is a Comet's Momentum Conserved When Passing Near the Sun?
- levi2613
- · Replies 3 ·
Parallel infinite wires - magnetic field
- scholio
- · Replies 5 ·
Finding time to increase temp with power
- crazyog
- · Replies 13 ·
Calculating the Final Equilibrium Temperature with Latent Heat and Phase Changes
- crazyog
- · Replies 12 ·
How Do Tensions in Upper and Lower Strings Differ in Uniform Circular Motion?
- student 1
- · Replies 3 ·