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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Use the formula for Final velocity
- Morgan89
- · Replies 11 ·
Calculating Distance Traveled by Sam on Jet-Powered Skis
- powderchick81
- · Replies 3 ·
Kinematics in two Dimension- projectile motion
- minx1004
- · Replies 10 ·
Planetary Motion - Energy Totals and Binding Energy
- quarklet
- · Replies 5 ·
How do you double the maximum speed in simple harmonic motion?
- recklessid
- · Replies 1 ·
Spring constant and stiffness constant
- janice778
- · Replies 13 ·
Finding instantaneous velocity at given points on nonlinear graph
- exi
- · Replies 7 ·
Calculating the Frequency of a Car Horn Using the Doppler Effect
- Morgan89
- · Replies 5 ·
Maximal static friction problem
- Black Riven
- · Replies 4 ·
Hydrogen fuel cell presentation slide ideas
- Plasma
- · Replies 3 ·
Flywheel of a steam engine problem
- Paged
- · Replies 2 ·
Calculate the mangitude and direction of the force
- raman911
- · Replies 4 ·
Maximizing Height and Final Velocity on a Tilted Rough Surface
- hastings
- · Replies 2 ·
High Jump Physics: Leaping 1.55m with 0.70m/s Speed
- Morgan89
- · Replies 2 ·
Matching scientists to discoveries for history of science exam
- kingwinner
- · Replies 6 ·
Particles under constant acceleration
- Aerosion
- · Replies 2 ·
Can Coulomb's Law Be Rearranged to Solve for Q?
- grscott_2000
- · Replies 3 ·
Static problem with three cylinders
- sangol
- · Replies 1 ·
Angular momentum - impulse on the axis
- dt19
- · Replies 9 ·
Acceleration in terms of displacement and time
- grscott_2000
- · Replies 1 ·
KE of a bar rotating at an angle
- chiralvandal
- · Replies 13 ·
Calculating the Electric Potential from an Electric Field problem
- frankfjf
- · Replies 1 ·
How Far Can the Hare Let the Tortoise Approach Before Resuming the Race?
- Aerosion
- · Replies 4 ·
Which Force is Larger: Equal Impulses, Twice the Time ?
- mike2007
- · Replies 1 ·
Understanding Energy: Lab Questions & Theories for Air Cart Experiments
- MJC8719
- · Replies 1 ·
Convert Centrifuge Angular Speed/Deceleration to Rev/s2 and Revs
- MJC8719
- · Replies 1 ·
I do not understand how the neutral conductor lose electrons
- SeriousNoob
- · Replies 1 ·
Braking Distance: Increasing Speed by 75% - What Happens?
- Morgan89
- · Replies 3 ·
Calculating weight given mass of 48 kg
- raman911
- · Replies 3 ·
Conservation of Energy and potential energy problem
- AlanxD
- · Replies 19 ·
Net force of 60N accelerates 4kg mass over 10m
- mike2007
- · Replies 5 ·
In-line skater accelerating and braking with work-energy
- AlanxD
- · Replies 13 ·
Can a stationary system have potential energy?
- mike2007
- · Replies 2 ·
Uniform Circular Motion Displacement
- BMWPower06
- · Replies 3 ·
How Does Acceleration Affect Motion in the XY Plane?
- mohdhm
- · Replies 4 ·
Calculating Coefficient of Friction for Sliding Book on Floor
- rajames429
- · Replies 8 ·
Integration (Velocity to Displacement or Position)
- kieran1black2
- · Replies 6 ·
How Does a Movable Pulley Illustrate the Trade-off Between Power and Distance?
- ritwik06
- · Replies 5 ·
Difference between a mode and a node
- jamescho
- · Replies 1 ·
Angular acceleration and Newton's 2nd law
- Bjamin0325
- · Replies 4 ·
What Is the Smallest Angle of Incidence for Light to Enter and Exit a Prism?
- NW8800
- · Replies 1 ·
Stone Dropping vs Ball Throwing
- carlingsf
- · Replies 3 ·
How Do You Calculate the Index of Refraction for a Lens?
- AlanxD
- · Replies 6 ·
How Far Did a Ball Travel in the First 5 Seconds of Uniform Acceleration?
- Tehy
- · Replies 7 ·
Center of mass of a rigid body-sphere
- lewis198
- · Replies 11 ·
How Can Energy, Work, and Power Increase Ski Race Speeds?
- hockey45
- · Replies 1 ·
How Is Electrical Energy Converted to Heat in a Lamp?
- Fusilli_Jerry89
- · Replies 1 ·
Airplane velocity relative to air in crosswind
- bilalbajwa
- · Replies 3 ·
Projectile Motion Calculations: Time in Air and Speed at Launch
- Kruz87
- · Replies 8 ·
What Is the Static Coefficient of Friction Between the Object and the Dash?
- curiousgeorge99
- · Replies 1 ·
Retarding force and distance for a decelerating lorry
- fable121
- · Replies 9 ·
What is the Molar Specific Heat of a Monatomic and Diatomic Gas Mixture?
- skinard360
- · Replies 2 ·
Coefficient of kinetic friction for block pushed against ceiling
- BMWPower06
- · Replies 1 ·
What is the acceleration of this pulley and mass system?
- BMWPower06
- · Replies 10 ·
Electron configuration quantum numbers
- Unskilled
- · Replies 3 ·
Solve Voltage Across Capacitor After Switch Opened
- pyrophreek
- · Replies 11 ·
Man shot out of cannon question
- kdog3682
- · Replies 3 ·
Physics electric generator potential difference question
- shanktank
- · Replies 2 ·
Inelastic Collisions - conceptual trouble
- radiogaga35
- · Replies 5 ·
How Do You Calculate the Voltage Across a Resistor in a Complex Circuit?
- noofie
- · Replies 3 ·
Which method to use? Gravitational problem with a cut-out cylinder
- 21385
- · Replies 7 ·
Multiloop circuit, magnetic force on a current carrying wire, Ampere's Law
- irnubcake
- · Replies 1 ·
Open/closed air columns experiment
- tete02
- · Replies 3 ·
Is Earth's Emitted White Light Continuous in Space?
- JB123
- · Replies 3 ·
Wavelength of a sound traveling through air
- phintastic
- · Replies 1 ·
Solve Impulse Experienced by 70kg Person Jumping 5m
- phintastic
- · Replies 3 ·
Calculating Rock Throwing Rate to Maintain Constant Speed Against Friction
- MJC8719
- · Replies 2 ·
So the height of the wedge is 0.73 m.
- MJC8719
- · Replies 1 ·
Orbital period of a spaceship around the moon at 111 km altitude
- NDiggity
- · Replies 2 ·
Coin on rotating disc. What forces?
- faidros
- · Replies 1 ·
Solving for the Vertical Distance of a 101 mph Pitch
- toothpick09
- · Replies 1 ·
Spring extension with pulley and two different mass configurations
- f(x)
- · Replies 12 ·
Integration (terminal velocity)
- kieran1black2
- · Replies 4 ·
Relativity and energy (think its dead easy, I just can't see it)
- Brewer
- · Replies 1 ·
Calculating Water Evaporation in a Power Plant with Waste Heat Loss
- gsxrK3
- · Replies 2 ·
Simple acceleration puzzle I with,I forgot how to do.
- inv
- · Replies 2 ·
Tension in String A after B Cut
- Himanshu
- · Replies 1 ·
Graphing a Trajectory with Variable Gravity
- peterk
- · Replies 1 ·
Accelerometer angle, helicopter bucket drag, elevator tension
- BMWPower06
- · Replies 9 ·
Average friction force on wood block propelled by elastic band
- hockey45
- · Replies 1 ·
Motion of two masses connected by springs with given initial conditions
- official
- · Replies 3 ·
Light ray traveling horizontally around Earth with varying refractive index
- ed1234
- · Replies 3 ·
What Physics Concepts Are Involved in a Plane Landing in Cyclops?
- rtreska
- · Replies 3 ·
Can a 100kg object on a rough surface be moved with a 30° angle force of 800N?
- hastings
- · Replies 10 ·
Does a Spinning Bicycle Wheel Conserve Kinetic Energy and Momentum?
- eyehategod
- · Replies 1 ·
KE in terms of P Pretty sure Ive got most of it
- MJC8719
- · Replies 6 ·
Coulomb's law and drawing vectors
- spastic3
- · Replies 5 ·
What is the velocity of the ice cube when it loses contact with the sphere?
- faidros
- · Replies 1 ·
Coulomb's Law and spheres Problem
- frankfjf
- · Replies 4 ·
How Does a Pogo Stick Use Spring Mechanics to Propel a Child Upward?
- ccgrad05x2
- · Replies 1 ·
Vectors and 2 dimensional motion, driving me nuts
- skjhlkj
- · Replies 2 ·
How Does Gravity Affect Free Fall on a Fictitious Planet?
- bilalbajwa
- · Replies 9 ·
Solving the Runner & Flagpole Meeting Distance
- toothpick09
- · Replies 7 ·
Calculating Kepler's Constant for Earth Satellites
- NDiggity
- · Replies 3 ·
Force and a couple other problems
- BMWPower06
- · Replies 6 ·
How Fast Is a Football When It Passes 5 Meters High?
- physical?eer
- · Replies 1 ·
Calculate Speed of Football at 5.0m Above Ground
- physical?eer
- · Replies 26 ·
Calculating Chemical Energy Needed to Travel 100km: 4.8 N
- TAN6
- · Replies 2 ·
Graph of Voltage vs Length for Moving Rod in Magnetic Field
- Kites
- · Replies 1 ·
Experiment Help: Investigating Freely Falling Bodies
- bilalbajwa
- · Replies 5 ·