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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Constant acceleration equations (SUVAT)
- sharbie
- · Replies 2 ·
Newton's Laws and finding magnitude
- physics_10
- · Replies 5 ·
Calculate Change in Height Using Angle and Distance Traveled
- miodoll
- · Replies 3 ·
Angular Momentum Vector: A,C,E,G
- Thefox14
- · Replies 2 ·
How Do You Calculate Energy Needed to Break Safety Glass?
- dvsumosize
- · Replies 2 ·
Can Braking Distance and Reaction Time Prevent a Car Accident?
- nasadall
- · Replies 4 ·
Force of water drops (momentum)
- tak08810
- · Replies 2 ·
How to Solve for Force Needed to Move a Box on a Ramp with Kinetic Friction
- Funkmaster W
- · Replies 2 ·
Sphere resting on a vertical wall
- zorro
- · Replies 14 ·
A battery drives an electric motor which raises a 20 kg mass at a steady speed.
- apparatus82
- · Replies 1 ·
Frequency of ultrasounds to obtain oil drops in water?
- jonjacson
- · Replies 2 ·
Calculating Coefficient of Friction for a Pulley System
- jrab
- · Replies 1 ·
Velocity time graph with distance and average speed
- theguy123
- · Replies 1 ·
Circular motion with unknowns and picture
- breck
- · Replies 7 ·
Calculating the Period of an Earth Satellite
- Chica1975
- · Replies 15 ·
Solve Ladder Problem: 4 Equations, 5 Unknowns
- Michael94
- · Replies 6 ·
Three types of non-circular orbits
- preluderacer
- · Replies 4 ·
Magnitude of Friction Force - Circular Motion
- Chica1975
- · Replies 3 ·
Centripetal Acceleration metres per second squared
- Chica1975
- · Replies 3 ·
How to Calculate the Velocity of the Faster Block After Explosion?
- huynhtn2
- · Replies 12 ·
Energy: Block sliding down frictionless ramp
- basenne
- · Replies 3 ·
Solving Vector Problem: Magnitude of R & r, Angle with x-axis
- deaninator
- · Replies 5 ·
Average acceleration of a 50 g super ball bouncing off a wall
- Filenes
- · Replies 3 ·
What is the maximum value of the contact force during the collision?
- huybinhs
- · Replies 25 ·
Solve Kinematic Problem: Man Shot from Cannon onto Net
- Thekhan
- · Replies 2 ·
Why does the velocity fluctuate before gradually slowing down?
- deaninator
- · Replies 4 ·
Kinematics - When do they meet?
- Sean1218
- · Replies 22 ·
Forcing a Particle to Rest: Analyzing Position-Dependent Force
- JennV
- · Replies 2 ·
Using onlyHow do you calculate the launch speed of an object
- hailfire
- · Replies 11 ·
Solve Force and Impulse Homework: Speed of Tennis Ball After Collision
- huybinhs
- · Replies 13 ·
Car is traveling at a speed, what speed will a truck have the same momentum?
- IDKPhysics101
- · Replies 3 ·
Solve Electric Field for (x,y) Position
- Tina20
- · Replies 5 ·
Forces, Vectors, Angles, Magnitude, CONFUSED
- laurenwings5
- · Replies 1 ·
Find the acceleration of the disk and the force of friction
- renee1234
- · Replies 1 ·
Easy Free Body Diagram Question
- mohabitar
- · Replies 13 ·
Avg force on car during crash test?
- IDKPhysics101
- · Replies 2 ·
How many seconds does it take for a car to deliver 4299.1N?
- IDKPhysics101
- · Replies 4 ·
Finding initial velocity given angle, friction, and distance
- jhawks8
- · Replies 12 ·
How do you find the magnitude of vectors?
- deaninator
- · Replies 3 ·
Acceleration when time is not given
- PhysicsAdvice
- · Replies 6 ·
Conservation of Angular Momentum of uniform disk
- ash10n
- · Replies 1 ·
Ball dropped from heigh and bounces to height, change in momentum?
- IDKPhysics101
- · Replies 4 ·
How Can Wavelengths Help Determine the Constant A in Absorption Spectra?
- semc
- · Replies 3 ·
Solve Your Spiderman Problem with Expert Tips | Easy Help Available
- Bdurb
- · Replies 6 ·
What is the impulse and force exerted on a soccer ball when kicked?
- huybinhs
- · Replies 10 ·
Minimum speed at the circular track
- inky
- · Replies 3 ·
Calculating Friction and Acceleration for a Grocery Cart on an Inclined Plane
- anna sung
- · Replies 9 ·
How Does Gravity Affect Friction in the Sticky-Shoe Lab?
- anna sung
- · Replies 4 ·
Elastic Collision of two objects
- Bowenj
- · Replies 1 ·
Finding static force and kinetic force
- tallbus1
- · Replies 1 ·
Why Does the Slope of Log T vs. Log m_eff Equal 0.5 in Oscillation Experiments?
- mattpd1
- · Replies 2 ·
Question about the force from a photon on a mirror
- sharkybait
- · Replies 2 ·
Velocity of the car as a function of time
- dan_and_sim
- · Replies 1 ·
Altitude of rocket with 2E5 N thrust
- astenroo
- · Replies 1 ·
How far can one move from a sound source
- moonman239
- · Replies 1 ·
How does subtracting a row from another affect the determinant?
- fleeceman10
- · Replies 3 ·
Forces, friction and car turn radius
- osker246
- · Replies 5 ·
Kinematics - which equation to use in kinematics problems?
- kathyt.25
- · Replies 14 ·
How does the movement of a block affect the penetration depth of a bullet?
- MCPO John-117
- · Replies 9 ·
Calculating Minimum Coefficient of Friction for Safe Rotor-Ride at Carnival
- cubejunkies
- · Replies 7 ·
Calculating Mass of Light Fixture from Cable Tensions
- tony873004
- · Replies 9 ·
Torque - Where is the normal force in this FBD?
- Whotto
- · Replies 10 ·
How to calculate required force to exert
- Moenieb.David
- · Replies 7 ·
How to Find the Total Distance Traveled from 0 to 10 Seconds?
- jack911
- · Replies 6 ·
Engineering Homework Help: Forces & Coordinate Direction Angles
- physico
- · Replies 4 ·
Radius to angular velocity relationship (constant angular accel)
- siderealtime
- · Replies 9 ·
Moment of inertia of a right triangle about one of its sides
- fajoler
- · Replies 5 ·
Mousetrap Racer - Applied Forces
- TheScienceKid
- · Replies 1 ·
RC Circuits and Natural Inverse Exponent function
- noname1
- · Replies 2 ·
Mechanics - particle in a potential
- Pagan Harpoon
- · Replies 2 ·
Speed of a Bullet: Deriving Formula with D, T & Theta
- tigerseye
- · Replies 3 ·
How Far Will a Mass Travel on a Frictionless Incline After Going Through a Loop?
- eestep
- · Replies 2 ·
Human Cannonball Design Problem
- JohnStaporge
- · Replies 1 ·
How to Calculate the Distance Traveled by a Bouncing Ball
- student1ds
- · Replies 2 ·
What is the resultant of these vectors?
- deaninator
- · Replies 1 ·
Projectile motion at an angle problem
- Anton338
- · Replies 1 ·
Position of a point on a turning wheel..
- imatreyu
- · Replies 1 ·
Pressure In a Horizontal Pipe -
- needhelpfast
- · Replies 5 ·
Incline Plane Problem given mass, friction, 2 velocities
- TehDarkArchon
- · Replies 3 ·
Calculating X componet of Velocity in collision
- connie5828
- · Replies 3 ·
Solving for x: A Narrow Bridge Challenge
- qswdefrg
- · Replies 1 ·
Gravitational Force Problem Solution
- tak08810
- · Replies 2 ·
Compare the tension in the rope
- RedDanger
- · Replies 4 ·
Simultaneous Equations From Kirchhoff's Rules
- 00Formula00
- · Replies 1 ·
How Far Does a Spring Stretch with a 5 kg Weight?
- JoeCho
- · Replies 3 ·
How to Find the Force of Friction on an Inclined Plane?
- simmonj7
- · Replies 7 ·
Conservation of Energy/Gravity Problem
- tak08810
- · Replies 2 ·
Optimizing Projectile Range on Uniformly Sloped Surfaces
- thrill3rnit3
- · Replies 11 ·
Police car catching a speeder moving at 30.0 m/s with 2.44 m/s² acceleration
- Sonic7z
- · Replies 3 ·
Whether the boy can catch the ship? relative velocity
- jessicaw
- · Replies 7 ·
What were the original speeds of the cars?
- Libohove90
- · Replies 1 ·
Proton accelerated through 1000 volt capacitor
- joshszman09
- · Replies 1 ·
Solving a Rock Falling in a Well Problem
- mart
- · Replies 5 ·
Muzzle Speed of Gun with 24.5 km Range
- P-Illiterate
- · Replies 1 ·
Tricky Friction and Momentum Questions. Help Appreciated
- jambition
- · Replies 4 ·
UP1 Coursework, force problems.
- asteadydeclin
- · Replies 5 ·
No Attempt at a SolutionLost & Confused: Help Needed
- jimmehx3
- · Replies 3 ·
Calculating Ball Diameter in a Beaker: Accounting for Tension and Buoyancy
- needhelpfast
- · Replies 5 ·
Questions regarding rotational motion
- dismalice
- · Replies 3 ·
Another Rotational Motion Question
- dismalice
- · Replies 1 ·