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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Find p Given a.b = 4, a=[6,3,-2], b=[-2,p,-4]
- PiRsq
- · Replies 10 ·
Golf club launch speed from range and angle
- ConfusedStudent
- · Replies 5 ·
Solving Complex If/Then Statements
- qwpoi
- · Replies 2 ·
How High Does a Rocket Go in a Physics Experiment?
- Rockdog
- · Replies 4 ·
A sledge loaded with bricks has a total mass of 18.0 kg
- imaqueen
- · Replies 3 ·
Relative motion of an elevator question
- missrikku
- · Replies 3 ·
Solving a Ramp Problem with 1kg Block
- Inquiring_Mike
- · Replies 3 ·
Understanding Tension Force in a System of Connected Masses
- missrikku
- · Replies 3 ·
Projectile motion of a salmon jump
- Gunk
- · Replies 2 ·
What is the minium force required to pull block C out from under block B?
- tucky
- · Replies 3 ·
SIMPLE force of friction question
- helix
- · Replies 2 ·
Projectile motion and gravitational acceleration problem
- imhereyeah
- · Replies 2 ·
Highway Patrol - Argh, looks so simple
- Rockdog
- · Replies 4 ·
Jack's River Race: Solving the Shortest Path Problem
- Matthew
- · Replies 3 ·
Acceleration of an object is always directed perpendicular to its velocity
- pringless
- · Replies 3 ·
Prove some laws of sequencing limits
- fangtu
- · Replies 9 ·
Undergrad nuclear physics; spin parity rules
- grady
- · Replies 3 ·
Does it make any difference that the Earth is not round?
- phoenixy
- · Replies 11 ·
Buoyancy homework problem
- esme
- · Replies 3 ·
One-Dimensional Kinematics: Height vs Time
- rdn98
- · Replies 2 ·
Isothermal compression of monatomic gas ?
- zaf
- · Replies 5 ·
Tension in string connecting hanging mass and sliding block
- tristan_fc
- · Replies 2 ·
How High is the Coefficient of Static Friction for a Drag Car's Tires?
- liljediboi
- · Replies 5 ·
How can I solve this tricky algebra problem from PHY404G?
- amph1bius
- · Replies 2 ·
Calculating the Distance of L1 From Earth
- StephenPrivitera
- · Replies 2 ·
Express cos(θ₁ + θ₂ + θ₃) using Euler's formula
- frankR
- · Replies 6 ·
When do tidal forces disrupt a comet near a planet?
- StephenPrivitera
- · Replies 1 ·
How High Does the Flowerpot Rise and How Long Must the Runner Accelerate?
- Matthew
- · Replies 2 ·
Boundary conditions for electric field across a dipole layer
- Norman
- · Replies 2 ·
What acceleration does Superwoman need to catch a falling person at 1000m?
- thegreatone09
- · Replies 2 ·
Dynamics Problem: Calculating Tension in a Pulley System with Two Masses
- deliveryman
- · Replies 2 ·
How to find the intensity of radiation
- zaf
- · Replies 5 ·
What is the magnitude of the average acceleration of a skier
- Mesmer17
- · Replies 7 ·
Solving a Bowling Ball Force Problem: Finding Weight and Acceleration
- nerak
- · Replies 3 ·
Difference between north of east and east of north
- Flaming Toilet
- · Replies 2 ·
Find Head of Vector [a,b,c] with Length 3 in Same Direction as [−3,−4,12]
- PiRsq
- · Replies 2 ·
Solving Electric Field Boundary Conditions Across a Dipole Layer
- Norman
- · Replies 1 ·
Calculating Time for Dog to Catch Jogger in Grade 11 Physics
- thegreatone09
- · Replies 3 ·
Air resistance speed for a baseball and vertical launch height and time
- tucky
- · Replies 2 ·
Finding Practical Applications for Physics/Calculus
- apm809
- · Replies 4 ·
Will the Ball Land on the Ramp or the Plateau?
- lizette
- · Replies 2 ·
How much time elapses before the motorcycle overtakes the car?
- cowgiljl
- · Replies 2 ·
How Do You Calculate Horizontal Force and Tension in Physics Problems?
- Aerospace
- · Replies 7 ·
Flow velocity of a river from boat and log motion
- pringless
- · Replies 2 ·
Aircraft Speed with Wind: Calculating New Velocity
- pringless
- · Replies 2 ·
Stone thrown up from 19.6m building with initial velocity 14.7 m/s
- cowgiljl
- · Replies 5 ·
What Minimum Height Ensures a Marble Completes a Loop-the-Loop?
- RIT_Rich
- · Replies 3 ·
What Calculations Determine When Two Accelerating Objects Cross Paths?
- rdn98
- · Replies 2 ·
How Do You Calculate Net Torque with Multiple Force-Couple Systems on a Beam?
- AngelofMusic
- · Replies 1 ·
Can P10-P12 Apply to Function Sets with Binary Operations?
- StephenPrivitera
- · Replies 12 ·
Deal with tension problems in a systematic way?
- StephenPrivitera
- · Replies 4 ·
Atwoods Machine - Mass Height Question
- kashmirekat
- · Replies 2 ·
Proving Summation with Kronecker Delta and Levi-Civita
- newton1
- · Replies 2 ·
How Do I Solve These Advanced Physics Problems for My Engineering Class?
- merper
- · Replies 9 ·
What Does Each Element in a BLAST Protein Alignment Mean?
- megga124
- · Replies 1 ·
Physics virgin is this how I do it?
- noodle21
- · Replies 2 ·
Solving an Ice Cream Conundrum with Temperature Conversion and Salt
- robbie
- · Replies 2 ·
Struggling with Math 30 Pure Transformations and Inverses? Get Help Here!
- PhysicsRocks086
- · Replies 2 ·
3 Questions that have wracked my brain for two weeks
- frdave20
- · Replies 2 ·
Finding domain of f(x)=√(1−√(1−x²))
- StephenPrivitera
- · Replies 6 ·
Calculate Mass of Sand Grains for Equivalent Cube Surface Area - Physics Problem
- rdn98
- · Replies 2 ·
Force Magnitudes, directions, gravity, etc (lost)
- PianoMan
- · Replies 2 ·
How many dimensions are involved in these sports motions?
- Inquiring_Mike
- · Replies 5 ·
Finding speed from velocity components in projectile motion
- NINHARDCOREFAN
- · Replies 15 ·
How Does Braking Force Affect Amusement Park Ride Dynamics?
- tucky
- · Replies 2 ·
Calculating Time for Cockroaches to Meet with Different Accelerations
- chonny
- · Replies 2 ·
Calculating Heights and Acceleration: A Physics Question
- Matthew
- · Replies 2 ·
How Do You Continue Expanding and Simplifying the Dot Product (2u+v)⋅(u-2v)?
- PiRsq
- · Replies 2 ·
Tackling the Difficult Death Problem in Physics Honors Class
- liljediboi
- · Replies 5 ·
Solving Kinematic Problems: Police Car Skid Marks
- x_endlessrain_x
- · Replies 5 ·
Kinematics Problem: Cockroach Collision Calculation and Solution
- chonny
- · Replies 3 ·
How Much Ballast is Needed for a Scale Model Sailboat to Float Properly?
- sonya
- · Replies 2 ·
How Far Will a Box Slide with Initial Speed and Friction?
- richk_83
- · Replies 2 ·
A microwave oven produces electromagnetic radiation
- jlmac2001
- · Replies 2 ·
Particle covering 64% of height in last second of fall
- Skyblitz
- · Replies 3 ·
How Can Linear Motion Equations Explain Particle Dynamics and Car Acceleration?
- mcintyre_ie
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How does temperature affect the accuracy of a grandfather clock?
- ki ki
- · Replies 7 ·
What is the speed of the particle after 9:01 s?
- NINHARDCOREFAN
- · Replies 3 ·
What Is the Potential Energy at x = 2.0 m for a Particle Under a Variable Force?
- Moxin
- · Replies 4 ·
How Does 3D Projectile Motion Apply to Throwing a Can from a Moving Car?
- thegame
- · Replies 8 ·
What Is the Correct Expression for Velocity in Free Fall with Air Resistance?
- pringless
- · Replies 2 ·
Proportional Resistive Force Problem
- Nitrus
- · Replies 2 ·
Calculating Runner Distances at Flagpole with Constant Velocities
- pringless
- · Replies 2 ·
Three-stage motion at 30° with changing acceleration
- missrikku
- · Replies 3 ·
How Far Downstream Will the Swimmer End Up?
- thegame
- · Replies 2 ·
Particle projected upward and car acceleration problems with speed-time graphs
- mcintyre_ie
- · Replies 3 ·
Writing a fax from the president of Kaluchura about his son's kidnapping
- vadlamudit
- · Replies 2 ·
Solve Physics Problem: Jet Aircraft Launch from Carrier
- prokoro
- · Replies 2 ·
Why is current given the symbol 'I' instead of 'C'?
- NJones
- · Replies 6 ·
How High Above the Window is the Roof?
- Melody
- · Replies 2 ·
Finding |x+y| given magnitudes and difference of vectors
- PiRsq
- · Replies 4 ·
Avg and instantaneous accel question
- missrikku
- · Replies 2 ·
Balancing redox equations with oxidation numbers
- gigi9
- · Replies 2 ·
How far will it travel before it begins to fall to earth?
- robbie
- · Replies 2 ·
Physics virgin on freely falling objects
- noodle21
- · Replies 2 ·
AP Chem, balance Redox equation
- gigi9
- · Replies 2 ·
Compute the focal length in air of a thin biconvex lens
- jlmac2001
- · Replies 2 ·
Understanding Inverse Functions: How to Find f^-1(y)
- sonya
- · Replies 3 ·
Image in a brass ball and radius of curvature of a keratometer
- jlmac2001
- · Replies 2 ·
Swimmer crossing river from A to B with 45 degree angle
- dk702
- · Replies 4 ·