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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Work done by friction on a 55 kg cart with 200 N applied force
- williamx11373
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Bernoulli equation (self made diagram)
- Kaxa2000
- · Replies 1 ·
Confusion about momentum question
- dark-ryder341
- · Replies 1 ·
Elastic Collision between projectile and a pendulum, what's the initial speed?
- Fromaginator
- · Replies 4 ·
Is the Car's Motion and Acceleration Negative in Strobe Photography Analysis?
- williamx11373
- · Replies 1 ·
Calculating Gauge Pressure in a Closed Tube
- Beastegargoyl
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Did I do this right an F=ma need to find Initial Speed?
- bradycat
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What is the magnitude of the average acceleration?
- williamx11373
- · Replies 1 ·
What is the coefficient of friction question?
- williamx11373
- · Replies 1 ·
How Many Fringes Shift in a Michelson Interferometer When Air is Evacuated?
- Skye77
- · Replies 4 ·
Curved glass and Newton's Rings
- semper_deere
- · Replies 1 ·
Solar Cell Physics Coursework (Calculating Internal Resistance)
- elyas22
- · Replies 3 ·
Calculating Rotational Acceleration of a Wheel
- kfish
- · Replies 1 ·
Solving for volume in Van der Waals Equation?
- NeedPhysHelp8
- · Replies 1 ·
Yellow light duration needed to cross intersection safely
- fantolay
- · Replies 1 ·
Charge leakage of an electroscope
- Shukie
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Gravity Work: Lifting 10N Book 1m at 0.5m/s
- Oxygen206
- · Replies 1 ·
Finding 6-letter word for velocity graph under constant acceleration
- tolu
- · Replies 1 ·
Distance of Closest Approach of Two Particles
- nothilaryy
- · Replies 3 ·
Pendulum swing from 1deg to 2 deg
- Kaxa2000
- · Replies 3 ·
What is the Period of an Earth Satellite Orbiting 400km Above the Surface?
- Torquescrew
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Bouyant force on a cube floating at the surface between water and oil?
- kalisious
- · Replies 2 ·
Solve Gold Ring Resistivity Question, Practical Difficulties
- TheOne123
- · Replies 9 ·
Finding entropy from energy levels using degeneracy
- jchojnac
- · Replies 4 ·
Concept Question. Force and Work.
- balletgirl
- · Replies 2 ·
Is more elastic potential energy stored in compression than stretching?
- mr.coon
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Total electrical resistance flux
- yitriana
- · Replies 1 ·
Putting ice into a calorimeter, checking my thoughts
- fluidistic
- · Replies 9 ·
Electric-field strength inside a solenoid
- HeLLz aNgeL
- · Replies 1 ·
Why are situps harder with your legs straight?
- fattydq
- · Replies 1 ·
Acceleration of Falling Balls on Elastic Bands
- grouper
- · Replies 7 ·
Finding efficiency of ideal gas cycle with adiabatic processes
- fluidistic
- · Replies 8 ·
Special relativity of a light source moving downstream
- matt_crouch
- · Replies 2 ·
Baseball projectile motion with max height at 3 s and fence at 97.5 m
- missrikku
- · Replies 3 ·
Astrophysics: Finding the mass of a hidden star in a binary system
- knowlewj01
- · Replies 1 ·
Astrophysics: Deriving Newton's Gravitational Formula from Kepler's
- knowlewj01
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How Does a Pendulum Swing Conserve Momentum?
- Kaxa2000
- · Replies 10 ·
Angular Momentum Conservation in Planetary Orbits
- Kaxa2000
- · Replies 8 ·
How Does Lowering Half a Rope Affect Its Potential Energy?
- Shifty
- · Replies 2 ·
Converting between cartesian and polar coordinates
- henryc09
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Mass in relation to Tangential Force
- to819
- · Replies 4 ·
Stopper and hanging weight in circular motion experiment
- BlueEight
- · Replies 4 ·
Solving Two-Object Motion Problems
- Illicitsky
- · Replies 1 ·
Doubling Celsius temp also double the pressure?
- Kaxa2000
- · Replies 9 ·
Making an electromagnet strength project harder for 11th grade
- Alieneater
- · Replies 6 ·
Position change of body in non-isolated system
- meathead
- · Replies 1 ·
Calculating Reaction Forces in Circular Motion
- mahela007
- · Replies 3 ·
Hockey puck momentum/ collision
- miamirulz29
- · Replies 1 ·
Centripetal acceleration of electron
- lovemake1
- · Replies 1 ·
How Does Doppler Effect Influence the Frequency of a Moving Siren and Its Echo?
- grouper
- · Replies 3 ·
Rocket Acceleration Calculation: Pendulum Swing During Liftoff Explained
- rr263
- · Replies 8 ·
Minimum energy to stack N bricks on top of each other
- grouper
- · Replies 10 ·
Mechanics: could someone check my diagram please?
- knowlewj01
- · Replies 6 ·
What is the Differential Equation for a Non-Linear Torsional Spring Pendulum?
- hancock.yang@
- · Replies 2 ·
Calculating Force Exerted by Water on Container Bottom
- jayced
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Wave interferance and determining an unknown height
- chris097
- · Replies 1 ·
Halliday and Resnick - Boy sliding down ice mound
- Farnak
- · Replies 3 ·
Temperature Equilibrium between ice cubes and water
- grouper
- · Replies 9 ·
Earth's Magnetic Field with Electron orbit
- hellsingfan
- · Replies 1 ·
Average force between an object and non-movable object?
- sirfinklstin
- · Replies 3 ·
Question on waves and vibrations
- the_godfather
- · Replies 1 ·
What is the current through the inductor as a function of time?
- tag16
- · Replies 2 ·
Interesting Electromagnetic Inductance Problem
- christof6869
- · Replies 2 ·
Electric Potential of Ring of Charge: Q, R, x
- tag16
- · Replies 2 ·
How Does Chair Rotation Affect String Tension in Physics?
- waldvocm
- · Replies 4 ·
What is the speed of the water in the Bernoulli River?
- Beastegargoyl
- · Replies 7 ·
Angular acceleration of a solid uniform cylinder
- fattydq
- · Replies 2 ·
Speed of ball changed by lengthening string
- fattydq
- · Replies 1 ·
Calculating Electric Force in Bohr Model of Hydrogen Atom
- JDiorio
- · Replies 4 ·
Applying Bernoulli's equation to a rotating bucket of liquid
- azure kitsune
- · Replies 3 ·
What Is the Energy Difference for Argon-Ion Laser Transitions?
- LebLlama
- · Replies 3 ·
Work done on crate by the truck
- waldvocm
- · Replies 3 ·
Find a Mechanics Topic for Your IB Extended Essay
- physicstory
- · Replies 1 ·
Very simple mechanics question,
- Boogeyman
- · Replies 8 ·
Where to place a negative charge for zero net force
- Deicider
- · Replies 16 ·
How Do You Calculate Initial Velocity in an Elastic Collision Problem?
- David Lee
- · Replies 6 ·
How to Design a Ballistic Spring System for Measuring Bullet Speed
- merzperson
- · Replies 10 ·
Solving Binomial Theorem Problems
- nobb
- · Replies 4 ·
Maximum induced emf with 2 Solenoids
- Fazza3_uae
- · Replies 3 ·
Vertical stick falls, rotates about CM, derive v(y,theta)
- frozenguy
- · Replies 13 ·
How to Represent and Convert These Vectors?
- cary1234
- · Replies 34 ·
How do I setup an equation for the acceleration constraint?
- wetlife
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How Do You Calculate Forces on a Sled on a Slope?
- ccmetz2020
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Finding the mass of an object on a balanced ruler with a pivot
- channel1
- · Replies 3 ·
How Thick Should Polyurethane Foam Be for Optimal Insulation?
- G-reg
- · Replies 7 ·
Torque and angular accelerationfinding coeff. of friction
- offbeatjumi
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Formula for total KE of disk rolling across table 8 m/s?
- premedonna89
- · Replies 1 ·
Uniform Circular Motion; bead on a string.
- ourheroine
- · Replies 14 ·
MgF2 anti-reflective coating at different wavelengths
- Oijl
- · Replies 2 ·
Is Saturated Steam Pressure the Same as Saturated Vapor Pressure?
- songoku
- · Replies 2 ·
Solving a Hydraulic Lift: Mass, Volume and Height Differences
- bricker9236
- · Replies 1 ·
Finding magnitude of two forces with given degrees ?
- kari7921
- · Replies 1 ·
Displacement of a traveling wave
- agadag
- · Replies 1 ·
Solving Rotational Motion of Wheel with 3.21 kg Block
- seraphimhouse
- · Replies 3 ·
How Fast Does a Spaceship Travel from Earth to Pluto and Back in 11 Hours?
- sarahaha288
- · Replies 1 ·
What is the frequency of the vibrator?
- DDS
- · Replies 26 ·
Speed of Communication from Space Shuttle to NASA Director
- rusny
- · Replies 11 ·
Does circular motion require unbalanced radial force?
- abpandanguyen
- · Replies 9 ·
Misused Physics in Advertisements
- jgbradley1
- · Replies 4 ·
Calculating Initial Velocity of Projectile Motion Without Time Information
- physicskid69
- · Replies 42 ·