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 angle maximizes the weight of sand pulled by a cable with 1100 N tension limit?
- king_naeem
- · Replies 5 ·
Calculating Average Force on a Tennis Ball During a Serve
- Rapta3
- · Replies 9 ·
Find dx: Projecting Object at 100 m/s from 20-70°
- JWest
- · Replies 3 ·
How Do Phase Changes Affect Energy Calculations in Ethanol?
- nobb
- · Replies 2 ·
How do I sum the telescoping series with parameter a?
- quasar987
- · Replies 2 ·
Simplifying the product (1−1/2)(1−1/3)(1−1/4)⋯(1−1/n)
- DivineNathicana
- · Replies 10 ·
Converting 2nd Order ODE to 1st Order ODE
- johnwalton84
- · Replies 4 ·
Probability of landing on an even number in roulette
- ms. confused
- · Replies 3 ·
What is the integral symbol actually called?
- ascky
- · Replies 7 ·
Finding square duct dimensions for room air exchange in 30 minutes
- SnowOwl18
- · Replies 3 ·
Can Running People at the Equator Change the Length of a Day?
- ousooner
- · Replies 2 ·
Microvolts over degrees->degrees over microvolts
- Mk
- · Replies 3 ·
How to Solve a Damped Harmonic Oscillator Problem?
- wannabeadoc05
- · Replies 3 ·
SHM with mass over pulley problem
- gaborfk
- · Replies 4 ·
Diffraction grating lines question
- Nylex
- · Replies 3 ·
Convergence of sum with terms (1 − 1/n²)ⁿ − 1
- twoflower
- · Replies 13 ·
Cauchy integral problem: can this answer be simplified further?
- redshift
- · Replies 2 ·
Potential difference and static charge
- i0n
- · Replies 2 ·
Would this force be large enough to lift a 60 kg person?
- Rapta3
- · Replies 2 ·
Rock tossed upward on planet X: find gravitational acceleration
- BlasterV
- · Replies 5 ·
Is Phi an Isomorphism in an Abelian Group?
- b0mb0nika
- · Replies 4 ·
What Is the Partition Function of a Diatomic Gas Molecule at Low Temperatures?
- Nylex
- · Replies 5 ·
Find the Minimum Velocity Needed for Ball to Go Up Step - Hint Included!
- Feynmanfan
- · Replies 3 ·
Kinetic energy of balls after collision
- h6872
- · Replies 2 ·
Impulse and average force for a golf ball hit off the tee
- Rapta3
- · Replies 2 ·
Voltmeter reading between point b and ground with 5×10^4 Ω resistance
- joshanders_84
- · Replies 3 ·
At what rate is the water leaking out of the second container?
- ziddy83
- · Replies 5 ·
AM-GM and power mean inequality proof
- ascky
- · Replies 7 ·
Find the distance the ball travels before slipping ceases to occur
- koa
- · Replies 12 ·
Calculating Time Constant in R-L Circuits
- CollectiveRocker
- · Replies 2 ·
What Is the Maximum Deflection Angle in a Partially Inelastic Collision?
- thenewbosco
- · Replies 7 ·
How Do You Calculate Energy Changes in Chemical Reactions?
- vg19
- · Replies 2 ·
How fast was the ball moving when it left the pool table?
- Tabe
- · Replies 2 ·
Can Speed Be Negative?
- Tabe
- · Replies 3 ·
Intrinsic critical points of a function .
- Saint Medici
- · Replies 1 ·
Can You Solve These Challenging Static Equilibrium Physics Problems?
- WillP
- · Replies 4 ·
Finding area under y = (x^5 + 4x^4)^(1/2) from -4 to 0
- Sombra
- · Replies 17 ·
How to find the cosine between the directions
- moose02
- · Replies 2 ·
How Does Matrix Multiplication Work in C Programming?
- tandoorichicken
- · Replies 2 ·
Rewrite cos^6(x) in Terms of the First Power of the Cosine
- Logitech
- · Replies 11 ·
What is the best way to get a response?
- bannadonna
- · Replies 8 ·
Derivative of a function with chain and product rules
- ziddy83
- · Replies 3 ·
Can a product of two functions have a limit if the individual limits don't exist?
- matrix_204
- · Replies 5 ·
Best way to learn Physics on own?
- Cosmo16
- · Replies 8 ·
What is the maximum height a block will rise when the force is removed?
- XphaythX
- · Replies 3 ·
Solve Harmonic Wave Displacement at x=10, t=20s
- bwjohnson9
- · Replies 2 ·
Does Aluminum or Steel Tape Rule Perform Better Outdoors?
- Bcisewski
- · Replies 2 ·
What are some real life scenarios where trigonometry is applied?
- 01
- · Replies 4 ·
Proving Linearity of Transformation: f as a Real Number
- bifodus
- · Replies 4 ·
Which Formulas Should I Use for My Review Worksheet?
- RufioRiceDragon
- · Replies 2 ·
What is the acceleration of the bat?
- ek688
- · Replies 11 ·
Substituting functions into y = -3 f(x+2) - 7
- firstwave
- · Replies 2 ·
Heat transfer: calculating water temperature rise and ice melting
- eatubbs
- · Replies 6 ·
Finding EMF E when current through 7-ohm resistor is 1.81 A
- joshanders_84
- · Replies 5 ·
Is There Upthrust on a Smooth Object on a Smooth Ocean Floor?
- ponjavic
- · Replies 2 ·
How much work must be done to stop a 980 kg car traveling at 108 km/h?
- TriumphDog1
- · Replies 7 ·
How Do You Solve These Challenging Integration Problems?
- Astronomer107
- · Replies 5 ·
What does this symbol stand for?
- Lorax
- · Replies 2 ·
Questions about NRG Car Project
- Buckethead8723
- · Replies 2 ·
Calculate Interferometer Fringe-Shifts for 10.0cm Chamber with 600-nm Light
- cuti_pie75
- · Replies 2 ·
Partial Derivatives (Chain Rule)
- DeadxBunny
- · Replies 2 ·
What was the speed of the Toyota at impact in this collision?
- camero33
- · Replies 3 ·
Conservation of energy in projectiles
- disruptors
- · Replies 2 ·
Calculating Time Constant for Spring Oscillations
- guru
- · Replies 2 ·
What is the solution to this volume integral problem?
- johnwalton84
- · Replies 3 ·
Minimize fuel cost for a 400-mile trip with consumption G(x)
- ziddy83
- · Replies 4 ·
Equation that equates the magnitude of a vector
- Crauven
- · Replies 7 ·
Projectile motion problems with cliffs and shot put
- ViviCa
- · Replies 3 ·
Calculating Force Exerted on a Rope at an Angle
- sharon09
- · Replies 8 ·
Solve Physics Problem: Wave Function
- mlee
- · Replies 5 ·
Solving for Natural Frequency in a Si-Based NEMS Resonator
- Cookiesm8
- · Replies 1 ·
What average force did the seat belt exert on the passenger during the crash?
- Raza
- · Replies 12 ·
Calculating Height Difference h of Hydraulic System Pistons
- mikep
- · Replies 4 ·
Relationship between scale reading and the normal force component on an incline
- jwalant
- · Replies 3 ·
Traffic light controller logic gates for 555 timer and 74163 counter
- Electro
- · Replies 2 ·
Finding forces to start and move a sled up an inclined plane
- nippongo2001
- · Replies 4 ·
What are the applications of the Conserved Momentum Theorem?
- MasterNe0
- · Replies 7 ·
What forces are acting on these two repelling balls?
- grahammm
- · Replies 8 ·
Finding Matrix A of Orthogonal Projection onto Line L in R2
- sonya
- · Replies 4 ·
Finding inductance from current change rate in DC circuit
- Astronomer107
- · Replies 5 ·
Calculating Angle of Wedge in Interference Setup
- ephdub
- · Replies 2 ·
What Causes Inertia in Physics?
- roger
- · Replies 3 ·
Solving Equations for Track Graph on Microsoft Excel
- HawKMX2004
- · Replies 4 ·
The effect of mass/surface area on coefficient of kinetic friction
- furtivefelon
- · Replies 2 ·
Integral of ln(x^2)
- timon00
- · Replies 4 ·
Do a group element and its inverse have the same order?
- semidevil
- · Replies 6 ·
Does log base 2 of x equal log base 2 of y plus log base 2 of z?
- lokisapocalypse
- · Replies 3 ·
Solving the Sound Wave Problem of Two Identical Violin Strings
- Lakers08
- · Replies 5 ·
How Does Elastic String Behavior Affect Particle Motion?
- ashokmittal
- · Replies 2 ·
How to Calculate Time for One Revolution of an Ion in a Magnetic Field?
- Invisible101
- · Replies 3 ·
Refraction - Hitting fish with laser gun
- SissyQ19
- · Replies 6 ·
Why is my calculated atmospheric pressure different from the given value?
- timon00
- · Replies 4 ·
Sphere Iceberg: Finding Height Above Water
- Physics is Phun
- · Replies 2 ·
Calculate Velocity Ratio for Inelastic Collisions
- senseandsanity
- · Replies 2 ·
Calculating Work and Thermal Energy in a Block-Floor System
- bbbbbev
- · Replies 2 ·
Calculating Period of a Simple Pendulum with Accelerating Elevator and Truck
- Kawrae
- · Replies 2 ·
Could this solution be accepted?
- twoflower
- · Replies 12 ·
Finding when water flows fastest into and out of a tank
- ziddy83
- · Replies 7 ·
Itinerary arrangements with fixed start and end cities
- ms. confused
- · Replies 2 ·
Specific gravity of a mixture of antifreeze and water
- SnowOwl18
- · Replies 2 ·