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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What is the kinetic energy of the block?
- anyone1979
- · Replies 6 ·
How much work was done by a force to accelerate a block
- anyone1979
- · Replies 2 ·
Calculating Sled Speed on a Frictionless Hill: Equations for Theta and Radius
- mookie84
- · Replies 1 ·
How to find the tension using the F=ma formula
- blue__boy
- · Replies 2 ·
How Much Work Is Done Stretching a Spring?
- anyone1979
- · Replies 2 ·
Calculating Force of Stifled Sneezes
- donkey11
- · Replies 6 ·
Did I Calculate the Work Done Correctly on an Inclined Plane?
- anyone1979
- · Replies 8 ·
Multimeter measuring full-wave rectified DC current?
- 314159271828
- · Replies 7 ·
What is the moment of inertia and bearing friction of a rotating turbine?
- confused2006
- · Replies 6 ·
Satellite period, which equation?
- izforgoat
- · Replies 9 ·
How to calculate theta from tantheta
- chemboy
- · Replies 5 ·
How to weigh an object that's heavier than the max. weight of the spring scale
- krosenberg
- · Replies 1 ·
Please verify if my answers are correct.
- snipaj9696
- · Replies 2 ·
Finding Deceleration to Avoid Collision
- smthbrothrJ
- · Replies 2 ·
How Far Does the Person Move on the Ice?
- Werg22
- · Replies 5 ·
Homework Problem about the Work-Energy Theorem
- aquamarine08
- · Replies 5 ·
Find Mass of Iron (Atomic Mass 56 g/mol)
- Ryo124
- · Replies 1 ·
How Do You Calculate Acceleration and Retardation for a Train's Movement?
- scotthands
- · Replies 1 ·
Capacitors in parallel and in series
- chopticks
- · Replies 1 ·
How Long and Fast Does a Diesel Train Accelerate to Cover 6km?
- scotthands
- · Replies 5 ·
How Does Friction Impact Swimmers and Drivers in Different Environments?
- LegendFury
- · Replies 2 ·
Wave Problem: Length & Velocity
- Turbo Math
- · Replies 6 ·
How many trips will the box make before coming to rest?
- octahedron
- · Replies 5 ·
Working of the Eye: See Virtual Images
- Nikhil_kumar
- · Replies 2 ·
Chain on table - calculate work
- Destrio
- · Replies 4 ·
Practical applications of eigenvectors
- Martin III
- · Replies 1 ·
Electric Circuit Help (Emf and Internal Resistance)
- IDreadPhysics
- · Replies 2 ·
How Much Work Is Required to Push a 10 kg Steel Block Across a Table?
- kraaaaamos
- · Replies 1 ·
Troubleshooting Angle of Refraction Calculations in Triangular Glass
- HelloMotto
- · Replies 3 ·
Conservation of Energy and Gravitation
- Destrio
- · Replies 3 ·
Does the Triple Integral Formula Apply to a Point-Mass Inside a Spherical Shell?
- cscott
- · Replies 1 ·
Projectile:Launching and landing at different heights
- uaeXuae
- · Replies 13 ·
Drag Force and Power on an inclined plane
- kraaaaamos
- · Replies 3 ·
Projectile: launching and landing from the same height help me ?
- uaeXuae
- · Replies 8 ·
Power needed to keep car moving
- VanKwisH
- · Replies 4 ·
How Does an Elevator's Acceleration Change Over Time?
- Prathep
- · Replies 6 ·
Calculating Centre of Mass on a Board on Ice
- Omnie
- · Replies 3 ·
Solving Physics Questions: Acceleration & Friction Coefficient
- staz13
- · Replies 3 ·
Hard Wave Question (Really )
- polymerase
- · Replies 3 ·
How Many Oscillations Occur Before Amplitude Decays to e^-1?
- mihir871
- · Replies 14 ·
What are the unknowns in a simple pendulum problem and how can they be solved?
- SciencePF
- · Replies 5 ·
Corner Reflector: Find Max Angle for Total Reflection
- jiten827
- · Replies 3 ·
Buoyant forces with 2 liquids question
- crispy_nine
- · Replies 2 ·
A Metal Block submereged in water from a spring scale
- Fittleroni
- · Replies 28 ·
Physics help: rotational mechanics satellite
- GreenLantern674
- · Replies 4 ·
Understanding the Relationship Between Spring and Hook's Law
- ~christina~
- · Replies 11 ·
Finding student mass from bungee cord stretch and spring constant
- cse63146
- · Replies 8 ·
Max Height and Angle of Cannon in 12 m/s Ball Shot with 24J Kinetic Energy
- NewJersey
- · Replies 5 ·
Images from Two Parallel Mirrors
- jiten827
- · Replies 1 ·
Analyzing Inelastic Collisions in 2-D: Solving for Final Velocity and Angle
- Hurricane3
- · Replies 3 ·
What is the relationship between period and mass in a simple pendulum?
- Skeptik101
- · Replies 5 ·
How Many Turns Will a Spinning Cylinder Make Before Stopping Due to Friction?
- phy_irodov
- · Replies 1 ·
How Does Archimedes' Principle Determine the Payload of a Hot Air Balloon?
- barry3rd
- · Replies 1 ·
Solve Torque Q1: Find Tension & F in Picture Frame
- poloboy
- · Replies 1 ·
Vibrations of a Stretched String: Finding Harmonic, Frequency & Wave Speed
- Fusilli_Jerry89
- · Replies 1 ·
Thermodynamics energy efficiency
- donkey11
- · Replies 1 ·
Solve Electromagnetism Problems: Electric Field, Potential & Capacitance
- magicuniverse
- · Replies 1 ·
Images from Two Parallel Mirrors problem
- jiten827
- · Replies 1 ·
How Does the Position of G Change in Different Types of Pendulum Bobs?
- rem
- · Replies 2 ·
Calculating Tune Adjustment for Flutist's Note A: Aa Flutist in 342 m/s Room
- sam.
- · Replies 1 ·
Kinematics[polar coordinate] concept problem
- sunumen
- · Replies 5 ·
What is the source of the magnetic field inside the box?
- yeo
- · Replies 2 ·
Need Check on Collision Question
- tachu101
- · Replies 2 ·
Calculating Electron Count and Mass in a Charged System
- trustabdy
- · Replies 6 ·
Moment of Inertia of Disc Problem
- rwx1606
- · Replies 3 ·
What are the velocities of the particles after a perfectly inelastic collision?
- cse63146
- · Replies 2 ·
Help with angular momentum question
- pakmingki2
- · Replies 3 ·
How Do Waves Affect a Fisherman's Boat?
- Heat
- · Replies 3 ·
Conical Pendulum: Period and Tension Calculation
- tachu101
- · Replies 8 ·
Pulley with Kinematics in One Dimension Question
- jakecar
- · Replies 5 ·
Calculate Max Kinetic Energy of Neutron in MeV, Physics Book Error?
- Ry122
- · Replies 1 ·
Archimedes Crown Density Calculation
- DizzyDoo
- · Replies 2 ·
How Do You Convert \( e^{1+j2} \) to Cartesian Form?
- Silmax
- · Replies 2 ·
Slingshot Physics: Calculating Projectile Speed from a Building's Height
- Mctwist
- · Replies 3 ·
Calculating Horizontal Force for Displaced Chandelier
- jakecar
- · Replies 6 ·
Physics Problem: Magnitudes and Components
- murfzee0224
- · Replies 4 ·
Calculate Components of Hammer's Velocity at Edge of Roof
- murfzee0224
- · Replies 2 ·
Can Linear Expansion Formula Be Used for a Heated Brass Spring?
- rsyodoom2005
- · Replies 1 ·
Magnetism Question - Compare Radii of Circular Paths
- cmantzioros
- · Replies 1 ·
Calculating Speed from a Falling Ball's Gravitational Energy
- Senjai
- · Replies 9 ·
Newton's Laws of Motion: Translation & Angular Forms, Assumptions & Equivalence
- Lil Frank
- · Replies 2 ·
Kinetic energy around an axis - two methods?
- Niles
- · Replies 7 ·
A question about rotational speed
- wowolala
- · Replies 4 ·
What is the equation for finding the maximum frequency in a towed-array sonar?
- karnten07
- · Replies 1 ·
Kinematics question - which equation to use?
- chjoe0
- · Replies 2 ·
Intensity Increase for 30dB & 22dB: Log Homework Solved
- carmenn
- · Replies 1 ·
Refraction of light-apparent speed
- irunwithmonkeys
- · Replies 1 ·
Calculating Average Torque on Coffee Can Down Ramp
- fiziksfun
- · Replies 2 ·
Sinusoidal Waves frequency Problem
- JasonV
- · Replies 1 ·
Calculating Depth of Water in Floating Cube
- rsyodoom2005
- · Replies 4 ·
Designing a MATLAB Program for Rocket Launch
- booboo123
- · Replies 1 ·
Calculating Torque Part 2: Finding d
- ahero4eternity
- · Replies 1 ·
How Does a Climber's Mass Relate to Rope Stretch and Fall Distance?
- terrib
- · Replies 1 ·
How Do You Calculate Fr and Xr in Distributive Load Problems?
- jmcmillian
- · Replies 1 ·
What is the net torque on a square metal plate if given three forces?
- ahero4eternity
- · Replies 2 ·
Center of gravity of an irregular object of mass
- Superfluous
- · Replies 4 ·
Coefficient of Friction (Styrofoam on Water)
- dashed
- · Replies 2 ·
Ballistic Pendulum: Determining Projectile Velocity Through Energy Conservation
- hawk320
- · Replies 2 ·
Length of Wavelength in closed aircolumn
- BarCode
- · Replies 2 ·