Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Calculate the velocity of the players just after the tackle
- bongopukerat
- · Replies 3 ·
What's up with Electron Probability Density?
- CollectiveRocker
- · Replies 2 ·
Baseball Velocity and Components: Solving for Final Velocity and Height
- Tycho
- · Replies 3 ·
Using Taylor's inequality to prove Newton's method error bound
- DivGradCurl
- · Replies 2 ·
How do I calculate energy from mass and velocity?
- TriumphDog1
- · Replies 3 ·
Problem related to Milikan's Oil Drop Experiment
- NYROCKFAN
- · Replies 5 ·
Calculate the spring constant of the bungee cord
- physicsss
- · Replies 2 ·
Finding the Center of Gravity of a Pizza with a Missing Slice
- Honda47
- · Replies 2 ·
Power transmission and dielectric constant
- cesarsalad
- · Replies 2 ·
Proving Convergence of a Series with Parameter a
- twoflower
- · Replies 5 ·
Fundamental Counting Principle Math problem
- ms. confused
- · Replies 2 ·
Solving AP Physics Problem - Find Total Impulse on 5kg Ball
- aber
- · Replies 8 ·
Finding spring constant and extension from Hooke's law graph and data
- jwalant
- · Replies 2 ·
Reading macbeth in my english class
- jai6638
- · Replies 6 ·
What does a path integral measure in complex analysis?
- redshift
- · Replies 2 ·
Measuring Mass per Unit Area of a Soft Blanket
- roger
- · Replies 4 ·
Heat of formation of SO3 gas using Hess's law
- GodsChild086
- · Replies 3 ·
Normalization conditions in quantum mechanics
- tiger_striped_cat
- · Replies 2 ·
Diving board oscillates with simple harmonic motion
- physicsss
- · Replies 2 ·
Different types of Questions not many though
- hackeract
- · Replies 3 ·
Newton's third law with a pulley system and work/potential energy
- primarygun
- · Replies 3 ·
Find the X-Intercepts of y=tan(x) and Understand the Y-Intercept in Real Numbers
- xLaser
- · Replies 5 ·
What is the Specific Gravity of Brass?
- Honda47
- · Replies 2 ·
Board held horizontal by vertical cable with two weights
- KJT
- · Replies 4 ·
Density of hot air in a floating balloon
- mikep
- · Replies 7 ·
Challenging Question For SMARTIES
- aisha
- · Replies 9 ·
Horizontal component of force and Newton scale reading
- jwalant
- · Replies 2 ·
Friction and cart of mass Question
- thomasrules
- · Replies 3 ·
Calculating Center of Gravity After Pizza Cut: A Headache?
- skiboka33
- · Replies 4 ·
Calculating Final Speed & Kinetic Energy Loss for Two Rotating Disks
- Naeem
- · Replies 5 ·
Which angle is bigger: alpha or beta
- thenewbosco
- · Replies 2 ·
Understanding Simple Harmonic Motion in a Loaded Floating Log
- falcon0311
- · Replies 3 ·
Interesting Problem, Not sure where to begin.
- Mbsams
- · Replies 3 ·
What value of k gives no roots,one root, 2 roots?
- aisha
- · Replies 14 ·
Finding 12 Permutations Commuting with Alpha=(1,2,4,5)
- SqrachMasda
- · Replies 4 ·
Equilibrium and Electrons (I have the answer, need to know how to do it)
- NYROCKFAN
- · Replies 20 ·
Allowed radiative transitions from the 4p state of hydrogen
- CollectiveRocker
- · Replies 2 ·
Girl moving toward center of rotating merry-go-round
- Jacob87411
- · Replies 9 ·
What is the Angular Momentum of a System with Two Rotating Particles?
- Jacob87411
- · Replies 2 ·
Kinetic energy, the integral of vdp
- ponjavic
- · Replies 4 ·
Identifying Material Density Using Buoyancy and Volume
- benzimm86
- · Replies 2 ·
What Magnetic Field is Needed for Constant Speed Motion with Kinetic Friction?
- nemzy
- · Replies 2 ·
Are Two Wavelengths in Sodium Light a Problem for Interference Patterns?
- saltrock
- · Replies 2 ·
How Does Capacitance Affect Charge Storage in Series Capacitors?
- Sanosuke Sagara
- · Replies 2 ·
What is the Tension in a Ladder Challenge System?
- ashokmittal
- · Replies 2 ·
Maximizing Speed on a Snow-Covered Hill: Solving for Angle and Maximum Speed
- vbtweakin
- · Replies 6 ·
How Long Does a Planet Take to Orbit a Star 2.9 X 10^7 km Away?
- log1c
- · Replies 2 ·
How Do Linear Transformations Affect One-to-One and Onto Properties?
- bifodus
- · Replies 2 ·
Solving Horizontal Displacement of 3.6kg Pendulum
- Format
- · Replies 8 ·
Period of Physical Pendulum Calculation: Is It Correct?
- Winner
- · Replies 2 ·
Why the direction will affect the magnitude of the charge?
- Physicsisfun2005
- · Replies 6 ·
Filling a 7 ft football-shaped balloon in milliseconds with off-shelf parts
- seeker05
- · Replies 2 ·
How to evaluate int 2x-3y dA using change of variables
- AeroFunk
- · Replies 2 ·
Wind Car, energy losses and model
- ponjavic
- · Replies 5 ·
Baseball impulse when ball's initial velocity is purely horizontal
- tony873004
- · Replies 2 ·
Statistical Probability Distributions
- Fenix
- · Replies 3 ·
Electric force between two parallel charged rods
- hhegab
- · Replies 8 ·
Volume generated by rotating region bounded by f(x)=4x² and h(x)=4 around y=-1
- buffgilville
- · Replies 2 ·
Little confusing i'm not sure, how bout u?
- aisha
- · Replies 8 ·
Red and second light through double slits: wavelength of second light
- vtnsx
- · Replies 2 ·
Calculating Piston Height in Equilibrium for an Ideal Gas System
- winhog
- · Replies 8 ·
How Do I Solve This Complex Polynomial Equation?
- aisha
- · Replies 8 ·
What fraction of its kinetic energy is rotational?
- spoon
- · Replies 4 ·
What is the initial velocity of a home run ball?
- Jameson
- · Replies 3 ·
Ratio test, why does the (-1)^(n+1) disappear?
- CinderBlockFist
- · Replies 2 ·
Block falling on two movable equal masses reaching new height
- newcool
- · Replies 2 ·
Height of net to catch daredevil shot from cannon at 24.0°
- Jameson
- · Replies 17 ·
Why does (n+1)! equal (n+1)n?
- CinderBlockFist
- · Replies 4 ·
How Do You Calculate Work Done on an Incline with Friction?
- Tom McCurdy
- · Replies 11 ·
Calculating Average Speed for a Two-Lap Race
- elsmith2
- · Replies 12 ·
Understanding Kinetic Energy Ratio for Test
- americanangel
- · Replies 8 ·
Algebra and Finding a Formula: Connecting N (or Size) with Difference
- Lukeitfc
- · Replies 2 ·
Optics Question: Calculating Degree of Polarization at an Air-Glass Interface
- cuti_pie75
- · Replies 2 ·
Additive Montone Functions Proof
- Ed Quanta
- · Replies 8 ·
Calculate Speed of Light in Diamond (n=2.42)
- JimmyRay
- · Replies 2 ·
What Proportion of Pins Produced Will Be Unusable?
- semidevil
- · Replies 2 ·
Why Does Total Internal Refraction Occur at a Specific Angle?
- JimmyRay
- · Replies 7 ·
Bowling ball sliding without rolling until pure rolling motion
- xenogizmo
- · Replies 7 ·
What is the Role of J in this Summation Problem?
- EvLer
- · Replies 3 ·
Big Test Prep- Questions (2 of 3)
- Tom McCurdy
- · Replies 3 ·
Momentum Operator and Wavefunction problem
- grahamfw
- · Replies 1 ·
Ball on curved track: finding velocity, time to fall, and landing distance
- boxcarracer767
- · Replies 3 ·
Focal length of concave mirror in water and other optics problems
- mathrocks
- · Replies 2 ·
Understanding Bernouilli's Law: Calculating Distance and Depth in Water Tanks
- mousesgr
- · Replies 15 ·
Proving Convergence of the Sum for Real Parameter a in (-1,1)"
- twoflower
- · Replies 2 ·
Need hint on 'simple' differentiation problem
- redshift
- · Replies 4 ·
Ball rolling without slipping around a loop-the-loop
- Naeem
- · Replies 12 ·
Solving Rotational Mechanics: Minimum Friction & Kinetic Energy
- prasanna
- · Replies 4 ·
HHow do I solve this integral using substitution?
- bross7
- · Replies 5 ·
Van der Waal's equation of state
- n_anniemae
- · Replies 3 ·
Solving Friction Fraction: Step-by-Step Guide
- Mivz18
- · Replies 3 ·
How Does Force x Distance Relate to Potential Energy and Work Done?
- primarygun
- · Replies 7 ·
Why Do My Green's Theorem Calculations Not Match?
- Chronocidal Guy
- · Replies 2 ·
How is Angular Speed of Bicycle Rear Wheel Related to Pedals and Front Sprocket?
- Soaring Crane
- · Replies 2 ·
How many 60W bulbs can be lit with this power?
- HurricaneH
- · Replies 2 ·
Non-Linear Function f(x) with f'(x1)=f'(x2)
- Chen
- · Replies 5 ·
How Do You Calculate Tension in a Two-Block, Two-Pulley System?
- tigerseye
- · Replies 7 ·
Question regarding tension and acceleration
- Sanosuke Sagara
- · Replies 5 ·
Can you explain the forces at play in this work and energy problem?
- ra2000a
- · Replies 2 ·