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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How to begin oscillation in steady state?
- bullet_ballet
- · Replies 4 ·
Max. Speed in Uniform Circular Motion Over Humpback Bridge: 45m Radius
- Neil
- · Replies 4 ·
What is the value of n for 1 km distance between seeing and hearing an event?
- needhelpperson
- · Replies 4 ·
Intro. Physics: scaling problem
- Antepolleo
- · Replies 3 ·
Homogenous mixture and a heterogeneous mixture
- courtrigrad
- · Replies 2 ·
Calculating uncertainty in pulsar rotation period
- GingerBread27
- · Replies 5 ·
Addition of Vectors and displacement
- BlackMamba
- · Replies 20 ·
How Do You Calculate Distance Using Trigonometry in Physics?
- a_j
- · Replies 2 ·
Magnitude of Acceleration Question
- Doug Desatnik
- · Replies 9 ·
How Do You Graph and Revolve Functions Using a Computer?
- ermines
- · Replies 7 ·
I dont understand what uniform acceleration is?
- faisal
- · Replies 7 ·
Questions about the projection operator
- curious george
- · Replies 2 ·
Converting nautical miles squared to square meters
- BlackMamba
- · Replies 6 ·
Calculating Automobile/Truck Distance and Speed
- Mathize
- · Replies 2 ·
Outside wall temperature of a water tank with heat loss
- TSN79
- · Replies 2 ·
At what time will runner B catch up with runner A?
- JohnQ
- · Replies 9 ·
Finding n for distance from light and sound speeds
- phywhat
- · Replies 5 ·
What is the Direction of an Emu's Acceleration When Slowing Down?
- shawonna23
- · Replies 3 ·
What is the mass of a 4.29 cm cube of gold?
- Kdawg22
- · Replies 3 ·
When does runner B catch up with runner A if B starts 5 min later?
- phywhat
- · Replies 2 ·
Calculating the Number of Atoms in a 12 kg Cat
- GingerBread27
- · Replies 2 ·
How to Dissect an Isosceles Triangle into 4 Triangles for a Square
- gravenewworld
- · Replies 2 ·
How many moles of atoms in a 12 kg cat?
- GingerBread27
- · Replies 7 ·
Solving Uncertainty Problem with .7g Lateral Acceleration
- purduegrad
- · Replies 9 ·
What is the acceleration of the motorcycle in this situation?
- EaGlE
- · Replies 14 ·
Baseball player slide Friction problems
- triplezero24
- · Replies 2 ·
Finding Magnitude of Forces A + B
- BlackMamba
- · Replies 18 ·
How many apples did the dealer buy?
- Omid
- · Replies 9 ·
How far does a bird travel flying between two approaching trains?
- olilee
- · Replies 3 ·
Flower Pot Falling Past a Window
- quick
- · Replies 10 ·
Finding total distance from acceleration graph in first 20 seconds
- FabioTTT
- · Replies 4 ·
Calculate Speed of House in Michigan Due to Earth's Rotation
- discoron77
- · Replies 6 ·
How to figure out the amount of heat (joules) needed to melt 1g of ice?
- wasteofo2
- · Replies 5 ·
What is the magnitude of the electric field inside the insulator
- JamesL
- · Replies 2 ·
Half circle inscribed in triangle with diameter parallel to base
- Anzas
- · Replies 7 ·
Why two incandescent bulbs don't produce interference patterns
- chisai_tam
- · Replies 12 ·
Finding kinetic energy and velocity of a 20kg cart pushed 5m with 40N force
- daem
- · Replies 5 ·
Track Plane: Find $\hat R_{BA}$ (2 SF)
- EaGlE
- · Replies 2 ·
An arithmetic progression problem
- Anzas
- · Replies 6 ·
Solving C and F in Formula: How to Find the Unknowns
- RanCor
- · Replies 2 ·
Tough Semester Ahead: Seeking Advice on Achieving an 85% Average
- decibel
- · Replies 7 ·
Hot Air Balloon Free Fall Question
- COCoNuT
- · Replies 5 ·
Algebra Problem: Adding Water to 75% Pure Alcohol to Make 15% Mixture
- Omid
- · Replies 4 ·
Arithmetic progression(alternate method)
- needhelpperson
- · Replies 3 ·
Electric field at vertex of equilateral triangle with charges
- dink
- · Replies 5 ·
Finding unknown charge from Coulomb force between two charges
- ACLerok
- · Replies 4 ·
Does an Air Bubble in a Leveling Hose Affect Accuracy?
- suffian
- · Replies 1 ·
Mass spectometer and relativity
- evelyncanarvon
- · Replies 7 ·
Calculating the Vertical Acceleration of a Skier
- physicsss
- · Replies 2 ·
Finding instantaneous velocity from a graph at t=1.4s
- ramin86
- · Replies 5 ·
What is the value of the automobile acceleration?
- jtagtp
- · Replies 10 ·
Foreign Language and Physics/Chemistry Majors:
- Simfish
- · Replies 7 ·
Adding, subtracting, multiplying and dividing significant figures
- Imparcticle
- · Replies 16 ·
with this Acceleration Problem
- GingerBread27
- · Replies 5 ·
HOw can an egg fall from a high placeto the ground without breaking?
- no idea
- · Replies 4 ·
I have a couple of brain blocks.
- falcon0311
- · Replies 3 ·
Police car's acceleration physics problem
- physicsss
- · Replies 11 ·
Finding a subset of R^2 closed under scalar multiplication but not a subspace
- gravenewworld
- · Replies 5 ·
Relativity and Michelson-Morley experiment
- relativemuon
- · Replies 7 ·
How Does Orifice Diameter Affect Fluid Flow Rate?
- ConceptuallyInept
- · Replies 2 ·
Estimated volume of a golfball?
- motionman04
- · Replies 3 ·
What Are the Correct SI Units for the Gravitational Constant G?
- ramin86
- · Replies 3 ·
Couple walking around a circular lake with 1.35 km radius
- shawonna23
- · Replies 4 ·
Pellet fired from 13 m cliff reaches 30 m/s, how high would it go upward?
- shawonna23
- · Replies 6 ·
Good Books for Physics Level 1 Students
- iamhumble
- · Replies 7 ·
Check my work on 6 projectile, force, and elevator problems
- idon'tgetphysics
- · Replies 3 ·
Volume and uncertainty of concrete for pool sidewalk
- rumaithya
- · Replies 2 ·
Electric field at the center of a uniformly charged hemisphere
- SpatialVacancy
- · Replies 7 ·
Calculating Maximum Speed Attained by a Spaceship Traveling to the Moon
- Whatupdoc
- · Replies 16 ·
Calculating the Diameter of an Oil Slick
- physicsss
- · Replies 6 ·
Calculating Time for a Boat to Slow Down Using Friction and Kinematics
- Parth Dave
- · Replies 3 ·
How Do Moment of Inertia and Angular Velocity Compare Two Rotating Bodies?
- Gmaximus
- · Replies 2 ·
Boy's displacement vector and solving for coefficients a and b
- Electro
- · Replies 4 ·
Finding the radius of a sphere with seven times the mass
- ramin86
- · Replies 4 ·
Model Rocket Physics Problem: Maximum Height & Speed Calculations
- EaGlE
- · Replies 4 ·
Kinetic Friction of a released block
- xcutexboax
- · Replies 3 ·
If excess hydrochloric acid reacts with 4.6g of barium nitrate
- ussjt
- · Replies 2 ·
Find the x and y component of vector c
- ios
- · Replies 7 ·
Calculating Cross-Country Ski Distance
- ios
- · Replies 2 ·
Homogeneous linear system question
- loli12
- · Replies 3 ·
Rolling grain mill pushing on floor with force equal to twice its weight
- dibilo
- · Replies 2 ·
Why do cereal boxes use more material than the optimal design?
- chemical
- · Replies 8 ·
Drawing molecular structure for C₄H₁₃NO₃ using the HONC rule
- Cod
- · Replies 2 ·
Why is the required investment negative in this interest rate problem?
- Omid
- · Replies 12 ·
Why is the field uniform between parallel plates with opposite charges?
- SpatialVacancy
- · Replies 2 ·
Solve Springy Question on Incline with Mass and Acceleration
- xcutexboax
- · Replies 2 ·
For what values of r does y=e^(rt) satisfy y''+y'-6y=0?
- parwana
- · Replies 2 ·
Deriving V-E Relation for Uniformly Charged Rod at Radial Distance r > a"
- SpatialVacancy
- · Replies 2 ·
Value of an angle will their vector sum have the same magnitude
- ios
- · Replies 2 ·
What is the difference between reciprocal and inverse in mathematics?
- singleton
- · Replies 3 ·
How much weight does the pulley hold for a 100 lb suspended block?
- help_me
- · Replies 2 ·
Electric fields and electrostatic forces
- InfinitiMike069
- · Replies 3 ·
Calculating Takeoff Speed for an Olympic Long Jumper
- pinky2468
- · Replies 6 ·
Net electrostatic force on central charge between two fixed charges
- aaross
- · Replies 2 ·
Solving for t in a Physics Problem for Students
- ZeroCool
- · Replies 4 ·
What is incorrect about my vector component calculations?
- iamhumble
- · Replies 10 ·
Interpreting Vector Directions: A=8 at 45°, B=8 at 180/225°
- Skotster
- · Replies 3 ·
Hockey puck hit by stick: finding contact time
- teclo
- · Replies 7 ·