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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Volleyball served at 55° to land on opponent's back line
- jap90
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Where Do Forces Act on a Pulley?
- joemok
- · Replies 3 ·
Relative Velocity Rain Fall Problem
- konichiwa2x
- · Replies 5 ·
Solving 2 Body Problems with Tension: Lack of Teacher Guidance
- rwofford
- · Replies 18 ·
Energy conservation of basketball problem
- mikefitz
- · Replies 3 ·
Balloon and pellet collision points at same altitude
- kholdstare121
- · Replies 4 ·
What is the magnitude of the net force required for these two physical tasks?
- rwofford
- · Replies 7 ·
Why Does Aiming Lower in Projectile Motion Miss the Target?
- oblivinated
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Ladder question (Static equilibrium)
- bjgawp
- · Replies 2 ·
Relativity Question (Twin Paradox)
- b2386
- · Replies 3 ·
Stopping distance considering coefficient of friction
- Aubiefan
- · Replies 6 ·
How Does Centripetal Acceleration Affect an Astronaut's Motion in a Centrifuge?
- mbrmbrg
- · Replies 3 ·
Can someone me with these problems? New chapter start. 3-d motion
- sythetickitty
- · Replies 5 ·
Master Projectile Motion: Find Maximum Height with Initial Speed and Angle
- Kalie
- · Replies 2 ·
Why R3 is in series with R24 and R234 is in parallel with R1
- Alt+F4
- · Replies 10 ·
Solving the Puzzle: Train and Car Speeds
- yankee
- · Replies 4 ·
Solve a Golf Ball Physics Problem: Calculate Velocity After 2.84s
- yankee
- · Replies 1 ·
Package by Air (project time motion)
- Kalie
- · Replies 2 ·
Finding Tension in a Quadriceps Tendon: A Static Equilibrium Problem
- bjgawp
- · Replies 5 ·
What Is the Formula for Calculating Instantaneous Acceleration?
- AznBoi
- · Replies 4 ·
Minimum deaceleration untll the car stops
- forensicchemgirl
- · Replies 3 ·
Feather dropped in vacuum: velocity and distance after 0.30 seconds
- Carnivean
- · Replies 10 ·
Distance ball travels question
- phantomcow2
- · Replies 7 ·
Bomb dropped from plane: speed, angle, and kinetic energy at impact
- paul9619
- · Replies 3 ·
Car stopping distance to avoid deer at 60 mi/h
- AznBoi
- · Replies 11 ·
Finding equivalent capacitance in mixed series-parallel circuits
- kankerfist
- · Replies 3 ·
Calculate Distance Travelled in 3s with 12.5N Force on 13.5kg Cart
- Pencil
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Acceleration, screwed up vector?
- kholdstare121
- · Replies 3 ·
Solving Basic Electricity Questions - 4q Net Charge
- duki
- · Replies 4 ·
Bridge in the Context of A Spring.
- las2vc
- · Replies 1 ·
Ski Jumper Soars 111.4 km/hr Down Slope
- jap90
- · Replies 1 ·
Instantaneous speed and acceleration from x(t) = 3.70t² - 2.00t + 3.00
- greatest
- · Replies 15 ·
Calculating Deceleration in a Car Crash
- Disremember
- · Replies 10 ·
Package dropped from moving airplane using relative velocity
- Kalie
- · Replies 1 ·
Tension in a clothes-line with a hanging pulley
- Evie
- · Replies 6 ·
Calculating Ice Cube Landing Points Using Galilean Relativity
- busted
- · Replies 4 ·
Calculating Distance and Velocity in Two-Dimensional Kinematics
- goj2
- · Replies 2 ·
How Do You Solve Capacitor Series Circuit Problems?
- ulfric
- · Replies 1 ·
What Is the Pressure Amplitude of a Flute at Half the Distance?
- physics_06er
- · Replies 13 ·
Graphical vector addition and subtraction with given magnitudes and angles
- BunDa4Th
- · Replies 7 ·
Young's Experiment - (problem with equation)
- FrogPad
- · Replies 1 ·
Adiabatic process btwn 2 containers
- Kenny Lee
- · Replies 2 ·
Kirchoff's Laws, nodes and current
- Alt+F4
- · Replies 20 ·
Tension and acceleration in pulley system with floating and fixed pulleys
- Warrzie
- · Replies 2 ·
What Is the Mass of a Particle in an Electric Field Problem?
- rob24
- · Replies 9 ·
When can an object remain at rest with multiple applied forces?
- Kalie
- · Replies 8 ·
What is the correct method of finding the direction of a Vector
- Aladin
- · Replies 5 ·
Energy of a toy car on a spring with damping
- fara0815
- · Replies 4 ·
Capacitive Network: Calculating Voltage between Two Capacitors
- Anil Tanwar
- · Replies 1 ·
Solving 3 Physics Problems with Neeraj
- dizco29
- · Replies 3 ·
How Does Centrifugal Force Affect Weight on a Curved Train Track?
- Weatherkid11
- · Replies 7 ·
How much time will it take for a log to arrive from point A, to point B?
- HellgY
- · Replies 4 ·
What is the launch speed required for a skier to reach a height of 11.7 m
- Joules23
- · Replies 15 ·
Constant variables in projectiles
- Joules23
- · Replies 5 ·
Horizontal force with a crate at a 27 degree angle
- bearhug
- · Replies 4 ·
How Do F-t and F-d Graphs Relate to Momentum and Work Done?
- semc
- · Replies 3 ·
Vector addition magnitude with vectors of 200 and 40
- wakejosh
- · Replies 3 ·
Head Fall Acceleration Question
- diesel828
- · Replies 3 ·
An interesting Rifleman Problem (Projectile Motion)
- Tony Zalles
- · Replies 4 ·
How Do You Calculate the Moment of Inertia for a Rectangular Sheet of Steel?
- John O' Meara
- · Replies 1 ·
Finding Angle A in a Circular Arc: A Physics Trigonometry Problem
- Arkronus
- · Replies 4 ·
What Is the Minimum Radius Needed to Paint on a Cube to Contain Light?
- firyace
- · Replies 1 ·
Projectile motion of mini cannon ball
- Thunderer
- · Replies 2 ·
Tension in tow bar between car and caravan
- glasgowm
- · Replies 9 ·
Solving a Heat Transfer Problem with an Insulated Vessel and Fan-Induced Rupture
- waterchan
- · Replies 2 ·
How to Calculate Frictional Force and Time for a Bullet Penetrating Wood?
- brick06
- · Replies 4 ·
Difference between ≡ and = in math notation
- Sisyphus
- · Replies 6 ·
Why Do Different Methods Give Different Answers to j \cdot {-j}?
- mbrmbrg
- · Replies 8 ·
How do you calculate vector subtraction in physics?
- Byrgg
- · Replies 43 ·
Velocity magnitude and distance from vector components
- phantomcow2
- · Replies 3 ·
Four different tensions on a cord with four different disks attached.
- bearhug
- · Replies 1 ·
Find Min Acceleration Experienced by Car Passengers on Elliptical Path
- the_dialogue
- · Replies 1 ·
How Do Iodine and Chloride Ions Interact in a Vacuum?
- avb203796
- · Replies 9 ·
AZING!Acceleration Through a Curve: How to Calculate and Understand It
- NotMrX
- · Replies 5 ·
Problems with acceleration due to gravity, and terminal speed
- Byrgg
- · Replies 13 ·
How Do You Convert French Decimal Time to Standard Time?
- jfsbird
- · Replies 3 ·
How Do Tire Sizes Affect Car Speed at Constant RPM?
- gjb19
- · Replies 1 ·
Work done pushing a box up a ramp with horizontal force
- Tom McCurdy
- · Replies 2 ·
Projectile Motion Lab: Calculating Projectile Trajectory with a Slingshot
- Byrgg
- · Replies 1 ·
One final problem involving electrical fields
- avb203796
- · Replies 2 ·
Physics coursework topic ideas for 10-hour lab project
- smileandbehappy
- · Replies 1 ·
Two stones thrown upward at same speed, one delayed 0.88 s
- bpage08
- · Replies 8 ·
Calculating Cable Length and Node Distance for Standing Electromagnetic Waves
- avb203796
- · Replies 8 ·
Polarisation and electromagnetic fields
- dt19
- · Replies 3 ·
Perpendicular Force = No Speed Change
- Swapnil
- · Replies 6 ·
Particle Movement w/o Knowing a or v
- Ronnin
- · Replies 4 ·
Are There Limitations to Lenz's Law in Real-World Applications?
- Mattara
- · Replies 1 ·
Finding voltage across base and emitter in NPN transistor circuit
- Pseudo Statistic
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Electric Forces and Electric Fields of a proton
- himura137
- · Replies 9 ·
Expressing farad units in terms of seconds and ohms
- nate92488
- · Replies 2 ·
Car crash collision, roller coaster energy, and ball hitting a racket
- danago
- · Replies 22 ·
Time needed to cross river - depends on flow of the water?
- parker21
- · Replies 10 ·
What are the calculations for an electric field problem?
- avb203796
- · Replies 1 ·
Kinematics - Trains crossing eachother
- mohlam12
- · Replies 5 ·
Magnetic Field Forces & Acceleration for 75.0 Proton Mass, 1 Proton Charge
- avb203796
- · Replies 1 ·
What makes a homework thread stand out as the best?
- Gokul43201
- · Replies 1 ·