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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Particle dropped in hole through the earth
- Barley
- · Replies 3 ·
Probability that mean will be at least 21000 in 1992
- bayan
- · Replies 4 ·
Physics n00b Problem - Power Conversion
- Seraph
- · Replies 5 ·
How Long Does It Take a Sports Car to Travel 0.5 Miles from Rest?
- xxQueenie47xx
- · Replies 2 ·
Calculus question- differentiation
- tracey163
- · Replies 4 ·
Whats the difference between log and ln?
- gillgill
- · Replies 1 ·
Why is q Smaller or Equal to T(S2-S1)?
- asdf1
- · Replies 1 ·
How Many Parameters Define O(N) and SO(N) Groups?
- Norman
- · Replies 1 ·
How does the size of a hole affect the rate of water drainage from a barrel?
- LocktnLoaded
- · Replies 5 ·
Calculating Distance Traveled on Incline with Kinetic Friction
- LCB
- · Replies 2 ·
Find the components for F (AC)?
- sfgradv
- · Replies 5 ·
What is the Acceleration of a Tennis Ball After Being Served?
- LCB
- · Replies 2 ·
Torque on a rectangular loop with attached mass
- Pepsi24chevy
- · Replies 1 ·
Calculate Energy of Parallel-Plate Capacitor: 10.4V
- U154756
- · Replies 1 ·
Unbalanced force from a 1.2 tonne car accelerating at 1 m/s²
- Kain
- · Replies 2 ·
What is the total energy of the point charge?
- meadow
- · Replies 3 ·
New equation? y=3tan(2x) shifted down 5 and 60 left?
- aisha
- · Replies 1 ·
Two Dimensional Kinematic Question
- Dooh
- · Replies 1 ·
Frictional Force and Acceleration
- LCB
- · Replies 1 ·
Physics Kinematics of a rock drop
- jai6638
- · Replies 10 ·
Can You Determine the Correct Wavelength Measurement in Physics Class?
- bayan
- · Replies 1 ·
How do I determine which chemical is in which bottle
- h_k331
- · Replies 3 ·
Calculating Time for US Debt to Double: Y=1/r ln(x)
- sfgradv
- · Replies 3 ·
What is the magnitude and direction of the second force vector in this scenario?
- LuvIz4ever
- · Replies 5 ·
Solve Kinematic Equations: Find V0 or T with A,Vf,D
- B-80
- · Replies 1 ·
Calculate Frictional Force Driving Up Inclined Hill - 4270kg Car
- jbowser
- · Replies 1 ·
Why does (t²)y' + 2ty equal ((t²)y)'?
- CinderBlockFist
- · Replies 2 ·
How does e^(2ln(t)) equal t^2?
- CinderBlockFist
- · Replies 4 ·
Struggling with the FTOC: Derivative of g(x)
- Echo 6 Sierra
- · Replies 5 ·
Does e^{iS} Equal Zero When S Approaches Infinity in Feynman Path Integrals?
- kakarukeys
- · Replies 7 ·
The eqn and proof of energy of sinosiodal waves.
- Wen
- · Replies 2 ·
How Do Topological Closures Relate in Union Operations?
- Long2024
- · Replies 1 ·
Electric Field Energy (dielectrics
- da_warped_1
- · Replies 1 ·
Calculating Kinetic Energy Using the Work-Energy Theorem
- evgeniy
- · Replies 3 ·
Matrices, I can't seem to cancel out any more elements
- mr_coffee
- · Replies 6 ·
In what direction should the pilot travel in this direct flight?
- physics1720
- · Replies 4 ·
Force on a point charge due to a rod
- stunner5000pt
- · Replies 4 ·
How to Express Period as a Function of Length?
- DB
- · Replies 4 ·
What are the bases for U and W in R^4?
- abcdefg
- · Replies 1 ·
Having problem showing the vectors point in the same dir. its a 0 Vector?
- mr_coffee
- · Replies 23 ·
Solve (3 3/8) to the power of -1
- Nicholasw
- · Replies 1 ·
How Do You Calculate the Tension in a Chandelier Cable?
- ~angel~
- · Replies 10 ·
Where can I find algebra 2 and geometry practice sheets?
- njkid
- · Replies 1 ·
Finding max velocity and zero positions for oscillating point with a=2880-144x
- fletch
- · Replies 1 ·
Solve Integral Problem: L.H.S w/ a,b,x0
- princepolo
- · Replies 1 ·
Calc III, Determing the coordinates of P
- mr_coffee
- · Replies 6 ·
What is the total flight time of a missile to intercept an aircraft?
- ozzy
- · Replies 13 ·
Proving dot product commutativity with vector components
- mr_coffee
- · Replies 13 ·
How do I convert grams per centimeter cubed to grams per nanometer cubed?
- fusi0n
- · Replies 4 ·
Two forces at angle find resultant and vice versa
- 9danny
- · Replies 8 ·
How Can We Understand Iterated and Double Limits in Complex Variables?
- hanson
- · Replies 4 ·
Solve the system x+y=9, x^2 - y^2 = 36 for x and y
- aricho
- · Replies 5 ·
Why Does My Solution to French's Mechanics Problem 6-3 (b) Differ from the Book?
- Dorothy Weglend
- · Replies 7 ·
Why is 0.017 m rejected for the radius of equal-mass aluminum and gold spheres?
- mh922253
- · Replies 3 ·
Find Limit of F(x) at x=1: 2x^2, 3, x+
- bard
- · Replies 4 ·
Estimate # Water Molecules in 1.5mm Raindrop
- mh922253
- · Replies 1 ·
Calculating Time Length of Train and Wall Intersection
- dnt
- · Replies 2 ·
Simple Optics: Image Formed By Two 15cm Lenses
- beethoven'smahomeboy
- · Replies 1 ·
Finding a Perpendicular Vector in 3D Space
- SigmaCrisis
- · Replies 7 ·
Finding mass percentage and density of a sodium chloride solution
- rochelle_soccergirl
- · Replies 3 ·
How Many Water Molecules Are in a 1.5 mm Raindrop?
- mh922253
- · Replies 2 ·
Need to derive the distance formula from the acceleration due to gravity
- Icedfire01
- · Replies 2 ·
Binomial probability of 15-20 apprenticeships out of 110 students
- bayan
- · Replies 3 ·
Body with constant acceleration covers 1m in 3s and 1m in 5s
- GregA
- · Replies 7 ·
How many generations must a person go back to have at least 1000 ancestors?
- universal-confusion
- · Replies 5 ·
Is C([0,1]) complete with the L^1 norm?
- Oxymoron
- · Replies 3 ·
Why Do Different Kinematic Formulas Yield Varied Results for MJ's Jump?
- Dooh
- · Replies 1 ·
Tension on string pulling up water
- sfgradv
- · Replies 7 ·
Finding Tangent Line of f(x) at (4,(2/5))
- Victor Frankenstein
- · Replies 2 ·
Can I Find a Video Explanation of the Right-Hand Method for Cross-Products?
- M_LeComte
- · Replies 5 ·
Stuck on a 1500hp Pump Problem: Solve for Velocity & Efficiency
- crslax9
- · Replies 6 ·
Bad Physics Teaching: Solve Grade 11 Physics Question
- SRForum
- · Replies 2 ·
How Long Does It Take for a Dropped Camera to Hit the Ground?
- ms. confused
- · Replies 4 ·
Answer Time Speed Problems: Calculate Distance from Earthquake
- MrMiyagi901
- · Replies 3 ·
Help with historical significance of Reconstruction topics for ID test
- Imparcticle
- · Replies 3 ·
Calculating Kinetic Energy of Particle B Using Electrical Potential
- srhly
- · Replies 1 ·
Derivative of Piece-Wise Function
- Jeremy
- · Replies 3 ·
Calculating Acceleration for a Sports Car Stopping at 50m from 90 km/h Speed
- reliquator
- · Replies 11 ·
Question involving beats and sound waves
- insertnamehere
- · Replies 3 ·
How Far Will You Go Before Stopping? Can You Avoid Hitting the Dog?
- ms. confused
- · Replies 2 ·
Checking Distance Travelled by Car: Is 3.2 km Right?
- brad sue
- · Replies 1 ·
Calculating Speed of m3 Using Energy Concepts in a Frictionless System
- jman1211
- · Replies 5 ·
Kinematics problems: plane landing, train braking, and rock thrown upward
- Zandorian
- · Replies 17 ·
How to Approach Projectile Motion on an Inclined Surface?
- Pepsi24chevy
- · Replies 1 ·
Converting Liters to Cubic Inches Using Dimensional Analysis
- courtrigrad
- · Replies 2 ·
What equation am I supposed to use for potential difference?
- destinee20
- · Replies 3 ·
What is the dielectric constant of the material between the plates?
- jpjp
- · Replies 3 ·
Solving Airplane Pilot Problem - Find Angle & Speed Over Ground
- clair_a_net
- · Replies 1 ·
Limit lim(x->pi/4) tan(2x) =tan(pi/2)
- bard
- · Replies 2 ·
Heat Transfer Problem in Cylindrical
- danai_pa
- · Replies 4 ·
Proving the Primality of an Integer with a Specific Divisibility Property
- Cableguy008
- · Replies 5 ·
Calculating Tangent for Accelerated Motion: Rise/Run?
- Turvey
- · Replies 1 ·
Finding Tangent Line to f(x) at (4, (2/5))
- Victor Frankenstein
- · Replies 2 ·
Calculating Flee's Acceleration After Take-Off
- N2
- · Replies 1 ·
What is the car's vertical velocity
- BriannaUND
- · Replies 1 ·
How Does Relative Motion Affect Raindrop Trajectories on a Moving Car?
- AdnamaLeigh
- · Replies 3 ·
How does y=-3cos(2θ+π/4)+3 differ from y=cosθ?
- aisha
- · Replies 2 ·
Why Is My Electric Field Calculation for a Conducting Shell Incorrect?
- starving_student
- · Replies 1 ·
Prove triangle PQS is similar to triangle QRS
- aricho
- · Replies 3 ·