Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Rocket accelerating upward from rest with constant acceleration
- physstudent1
- · Replies 3 ·
Work/Energy Problem: Maximum Height of Daredevil on Motorcycle
- myelevatorbeat
- · Replies 5 ·
Is My Calculation of the Final Temperature of Clay Correct?
- rijo664
- · Replies 1 ·
Finding the instantaneous acceleration
- BuBbLeS01
- · Replies 3 ·
Five physics riddles about force, friction, and tension
- Marco Barghi
- · Replies 3 ·
Am I correct in my assumptions?
- rootX
- · Replies 2 ·
Resultant Force magnitude of the acceleration.
- BuBbLeS01
- · Replies 7 ·
What Determines the Gauge Pressure in a Garden Hose with a Leak?
- whoknows123
- · Replies 7 ·
Ball thrown up inclined plane: Newton's second law and range formula
- Oblio
- · Replies 71 ·
Using Kirchhoff's Rules to Solve a Circuit Problem with Resistors and Batteries
- William Bush
- · Replies 11 ·
Climber falls past first protection point toward second
- KURD86
- · Replies 2 ·
Solving the Mystery of Clay Temperature Change
- rijo664
- · Replies 2 ·
Solving the Tug of War: Jackie vs. Sue
- reignofdragons
- · Replies 1 ·
How Do You Calculate Pressure Difference and Upward Force on an Airplane Wing?
- whoknows123
- · Replies 9 ·
A spaceship travelling at 0.8c
- smithg86
- · Replies 18 ·
Weight of a painter's staging with person in equilibrium
- ingrida1
- · Replies 1 ·
What are the displacement vectors and directions of a hiker's route?
- roshanak_fe
- · Replies 2 ·
Understanding Circular Motion: How Do Frequency, Radius, and Mass Relate?
- KBrown
- · Replies 1 ·
Calculating Tension in Connecting String of Two Blocks
- Jwill
- · Replies 29 ·
A football is thrown upward at a 43 degree angle to the horizontal
- ahsanmhamid
- · Replies 3 ·
Breaking Records: French National Railroad's TGV Acceleration
- ahsanmhamid
- · Replies 3 ·
A projectile of mass 0.552 kg is shot from a cannon, at height 7 m,?
- ahsanmhamid
- · Replies 2 ·
Moment of Inertia/Angular Speed/Torque
- mircobot
- · Replies 3 ·
Initial Velocity of a kicked rock
- Claymore
- · Replies 7 ·
Why does a rolling cannon recoil slowly if momentum is equal?
- eraemia
- · Replies 1 ·
Calculating Minimum Stopping Distance for a Car at Different Speeds
- klm
- · Replies 12 ·
Finding the Time Elapsed in an Atwood Machine Arrangement
- neelakash
- · Replies 2 ·
Gold crown submerged in water: is it pure gold or gold-copper alloy?
- chucas11
- · Replies 5 ·
Calculating Charge on Parallel Plates
- Etopn23
- · Replies 34 ·
How Do You Return to the Oak Tree After Finding the Treasure?
- eeriana
- · Replies 4 ·
LearningPhysics one last runner problem
- anglum
- · Replies 14 ·
How Do You Graph Velocity for Different Speeds and Time Intervals?
- kevinf
- · Replies 1 ·
What is the horizontal acceleration of a 7.00-kg block with two given forces?
- KachinaEarth
- · Replies 7 ·
Runner and a bird heading towards finish line
- anglum
- · Replies 39 ·
Speed of rocks thrown from cliff and total energy of ball below ground
- eraemia
- · Replies 7 ·
Physics Falling Bodies Question
- Phan
- · Replies 11 ·
Train Collision Calculation: Red Train vs Green Train on 950 km Track"
- brendan3eb
- · Replies 1 ·
Finding how long it takes given changing acceleration
- lim
- · Replies 1 ·
Calculating Heat Required to Raise Water Temperature to 100°C
- rijo664
- · Replies 1 ·
Calculating Surface Charge Density and Distance in a Conducting Sphere Problem
- langenase
- · Replies 12 ·
R= the square root of x^2 + y^2
- CarlosNunes
- · Replies 1 ·
How many 86 kg people can fit in a metric ton elevator?
- anglum
- · Replies 1 ·
Finding magnitudes of vector sums and differences
- I am a Newbie
- · Replies 5 ·
Calculating Minimum Asteroid Size for Astronaut Safety
- ColdFusion85
- · Replies 4 ·
Time dilation for a satellite orbiting Earth over 1 year
- Benzoate
- · Replies 13 ·
Proving maximum height h = 0.25R tan θ for projectile motion
- xRadio
- · Replies 21 ·
Displacement after driving 22 km north then 47 km southeast
- Eathrock
- · Replies 27 ·
How far is the sun if light takes 8.3 minutes to reach Earth?
- motoxtremechick
- · Replies 7 ·
Tortoise and hare race problem with rest time
- perfect_piccolo
- · Replies 9 ·
Calculating Constant Acceleration of Stopping Airplane
- drewbie55
- · Replies 2 ·
Calculating Flux in Box with Charged Boards
- yevi
- · Replies 13 ·
Orbit Transfer to Lower Apoapsis of a Mars Orbit
- ColdFusion85
- · Replies 11 ·
Problem: Given Angle and Distance
- dakinecuz
- · Replies 1 ·
Advantage of doorknobs with long handles
- deamonvivid
- · Replies 20 ·
How Do You Calculate T2 in a System of Three Blocks on a Frictionless Surface?
- jeremy04
- · Replies 1 ·
How Do You Convert Length Measurements to Volume?
- plutoisacomet
- · Replies 3 ·
Conservation of Momentum of two carts Problem
- eraemia
- · Replies 1 ·
How Does Rocket Motion Change After Engine Failure?
- Idealism_Theory
- · Replies 6 ·
Solve for Speed at Start of Long Jump: 6.5 m/s
- faoltaem
- · Replies 3 ·
How Is Centripetal Acceleration Calculated for a Stone Thrown by a Sling?
- chaotixmonjuish
- · Replies 19 ·
Does Kepler's Second Law Indicate Variable Orbital Speeds?
- Saladsamurai
- · Replies 8 ·
Understanding an instantanious velocity lab
- B-80
- · Replies 2 ·
Calculate Average Density of a Person Hanging in Mid-Air
- faoltaem
- · Replies 2 ·
How to Solve for Distance and Time in a Two-System Motion Problem
- sophie07
- · Replies 2 ·
How do I solve this motion problem using the given equations?
- faoltaem
- · Replies 2 ·
Effective reisistance of an unbalanced wheatstone bridge.
- Mr Virtual
- · Replies 4 ·
Fiber Optic Refraction: Calculating Light Ray Distance and Reflections
- kelvin_ng
- · Replies 10 ·
Physics Lab - Projectile Motion - Deriving a Position Vector
- Ahwleung
- · Replies 3 ·
String vibration and frequency,amplitude,length
- Leopold Stotch
- · Replies 15 ·
Angle between vector B and the x-axis
- anglum
- · Replies 28 ·
Solve Pulley Problem: Force Magnitudes & Ceiling Force
- csquared5
- · Replies 11 ·
Calculate Alexandra's Calories Burned in 8 Weeks of Training
- Larrytsai
- · Replies 3 ·
Figuring Out Angle Between Two Points
- anglum
- · Replies 2 ·
Deriving launch angle from range and peak height equations
- Remulak
- · Replies 7 ·
Finding the Height of a Building Using Free Fall Motion
- Zero_Bishop
- · Replies 8 ·
Tension in cord connecting masses on floor and incline
- phyzziksn00b
- · Replies 3 ·
Rocket acceleration and free fall for 8 seconds
- Robdog
- · Replies 2 ·
SOS How do you fing the coefficient of kinetic friction? SOS
- moniecookie
- · Replies 1 ·
What Angle is the Path of a Moon Landing Descent Vehicle?
- anglum
- · Replies 2 ·
What is the average speed during acceleration?
- anglum
- · Replies 2 ·
Backpacker walking west then east with average velocity 1.34 m/s
- HT3
- · Replies 4 ·
How Do You Graphically Solve Vector Displacement Problems?
- veloix
- · Replies 2 ·
What Is the Northern Component of an Airplane's Velocity?
- anglum
- · Replies 7 ·
Train Braking Distance Calculation
- CathyLou
- · Replies 6 ·
Finding Displacement with Constant Acceleration
- MemoIhad
- · Replies 2 ·
How Do Moving Frames Affect the Observation of a Puck's Path?
- Oblio
- · Replies 27 ·
How can Eldar toss an apple to Rahwa at the top of a steep hill?
- camherokid
- · Replies 4 ·
Mailbag dropped from a helicopter at 20.8 m with initial velocity 31.2 m/s
- grewas8
- · Replies 2 ·
Free falling object and Newtons law
- Oblio
- · Replies 3 ·
Closed Circuit without components
- exec
- · Replies 1 ·
How can angular distance be used to measure the wobble of a star-planet system?
- eraemia
- · Replies 3 ·
How Much Force Stopped the Diver Underwater?
- plqaokws
- · Replies 1 ·
Finding angle between normal vector and z-axis on a hill
- ChronicQuantumAddict
- · Replies 4 ·
Understanding Photon Emission from Atoms
- danago
- · Replies 2 ·
Torque balance on truck disc brake with 6000 lbs force
- WhiteHawk
- · Replies 2 ·
Baseball Physics: Solving Velocity and Net Force with Drag Coefficient
- Niles
- · Replies 4 ·
How Do You Calculate the Electric Field Inside a Bored Insulating Cylinder?
- Jordanosaur
- · Replies 5 ·
Finding ramp angle and distance for projectile motion with given landing position
- dukiex3
- · Replies 7 ·
Finding initial velocity for a baseball hitting a wall above launch height
- Remulak
- · Replies 8 ·
Yr 11 Trebuchet Project Calculations
- darkblade4
- · Replies 4 ·