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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Block on 45-degree wedge pushed with constant acceleration
- Patta1667
- · Replies 5 ·
Object Free fall quadratic equation problem
- Pupil
- · Replies 6 ·
Easy Question, but giving me trouble
- Dave25
- · Replies 4 ·
Does a pendulum reach maximum speed at its highest point?
- iagotr
- · Replies 3 ·
Relationship between momentum and acceleration, and force
- Self-Help
- · Replies 2 ·
What is the formula for the radius of a satellite's orbit?
- jacob117
- · Replies 8 ·
Two cars in different directions
- Dave25
- · Replies 4 ·
Finding Total Energy of a system
- ctamasi
- · Replies 7 ·
How to draw a reflected ray from mirror Y to observer A
- Mark1991
- · Replies 5 ·
How to solve for the capacitance of an interlocking plates
- mba444
- · Replies 4 ·
Solving for Mass in a Spring Scale Experiment
- bodensee9
- · Replies 5 ·
Is There an Error in the Angle Calculation for the Emergent Ray from a Prism?
- jemerlia
- · Replies 2 ·
Proving Vector Space of 3-Tuples Fulfilling 3x1 - x2 + 5x3 = 0
- alexngo
- · Replies 4 ·
Finding the Critical Angle of Glass in Water
- qszwdxefc
- · Replies 3 ·
How Does Bending Your Knees Reduce the Impact Force When Jumping?
- JaKaL
- · Replies 1 ·
Finding Maximum Force for Sled Without Lifting
- yitriana
- · Replies 2 ·
How Do I Isolate Velocity in the Lorentz Factor Equation?
- phys121
- · Replies 6 ·
What Angle Should an Incline Be for Zero Acceleration with Friction?
- quirty1
- · Replies 6 ·
Spring constant from oscillation equation y(t) = 1.2sin(3.1415t)
- sarah895
- · Replies 2 ·
Find period of circular disk physical pendulum
- synchronous
- · Replies 3 ·
Friction Due to Jumping w Parachute
- BandGeek13
- · Replies 8 ·
Find the temperature coefficient of metal X
- icystrike
- · Replies 3 ·
Theory questions about Newton's Laws and Gravitation
- ohsolost
- · Replies 4 ·
How Much Time Does It Take to Boil Water on a Stove with AC Power?
- runfast220
- · Replies 6 ·
What Was the Launch Angle of the Projectile?
- un0rth0d0x
- · Replies 12 ·
Solving Baseball Impulse and Force Problems
- jaron
- · Replies 3 ·
Calculating Forces and Efficiency of a Pressure Washer
- Cret
- · Replies 2 ·
How Fast Must the Cylinder Rotate to Keep Passengers from Sliding?
- jks8686
- · Replies 3 ·
Dimension of Angle: Learn LL^-1 from Course Book
- HussanAli
- · Replies 3 ·
Calculating Heat Energy for Object's Altitude Increase from 100 to 400 km
- brentwoodbc
- · Replies 12 ·
Electric Field Question (Between two plates)
- Brendanphys
- · Replies 2 ·
Conservation of Energy in a Sliding Box on an Incline
- physics hater
- · Replies 2 ·
What is the Angle Between Forces A and B?
- Procrastinate
- · Replies 2 ·
North and south celestial poles
- xX1SHOt
- · Replies 5 ·
Car Velocity: Understanding Relative Velocity and its Effects
- blessmeu2000
- · Replies 2 ·
Multiple choice questions on equilibrium and Newton's laws
- FANDANGLER
- · Replies 2 ·
How Do You Convert a Vector into Cartesian Unit Vector Notation?
- aessex
- · Replies 4 ·
Which Pool Had More Heat Transferred: A or B?
- IUBritt09
- · Replies 3 ·
How Does Variable Friction Affect Object Movement on an Inclined Plane?
- introphysics
- · Replies 6 ·
Charged Ball on String: Tension and Vertical Movement Explained
- bodensee9
- · Replies 1 ·
How do I solve for the equilibrium of a cable system?
- brentwoodbc
- · Replies 7 ·
Max Horizontal Force for Two Blocks to Accelerate Without Slipping
- Patta1667
- · Replies 5 ·
Acceleration of block M1 with pulley constraint
- Patta1667
- · Replies 9 ·
Spring constant of Achilles tendon
- tag16
- · Replies 2 ·
How Does Air Resistance Modify the Equation for Falling Objects?
- affans
- · Replies 7 ·
Spring constant of car suspension with 3 Hz oscillation frequency
- synchronous
- · Replies 2 ·
Solving Oscillation Problems with Steel Ruler Measurements
- Noiro
- · Replies 24 ·
The Internal Energy of Neon Gas
- PrideofPhilly
- · Replies 5 ·
Find Capacitance for Camera Flash Unit
- SimonZ
- · Replies 4 ·
Finding electron velocity from 3000V gun in magnetic field
- jnbfive
- · Replies 12 ·
How Does Halving the Radius Affect the Period in Centripetal Acceleration?
- smillphysics
- · Replies 1 ·
Bullet fired horizontally around the Moon
- blackboy
- · Replies 13 ·
Variable Resistor/Potentiometer
- Procrastinate
- · Replies 2 ·
WEIGHT and ACCELERATION as you FALL and CLIMB UP
- sousou_88
- · Replies 3 ·
What is the magnitude of the elevators acceleration
- catmd13
- · Replies 9 ·
What is the speed and pressure of water exiting a cylindrical tunnel in a dam?
- chawkdee
- · Replies 5 ·
Finding damping time constant from spring amplitude decay
- Liketothink
- · Replies 4 ·
Projectile thrown up an incline, max distance?
- sabinscabin
- · Replies 5 ·
When Does the Wave Reach Maximum Displacement?
- kathyt.25
- · Replies 1 ·
Strength of magnetic field F = ILBsin(theta)
- zeion
- · Replies 1 ·
Physics - Vectors and 2D motion
- johnnyies
- · Replies 1 ·
Tire Pressure Gauge Reading at 44.2°C
- PrideofPhilly
- · Replies 8 ·
Calculating Current and Voltage in Series and Parallel Circuits
- jsalapide
- · Replies 4 ·
Submarine Torpedo Momentum Question: Solving for Velocity Change
- ppl k1ll3r
- · Replies 7 ·
What's the acceleration of the 2kg block?
- bodensee9
- · Replies 5 ·
Finding speed of light in a material from critical angle of 32.4°
- jaron
- · Replies 2 ·
Time an object takes to oscillate
- Liketothink
- · Replies 1 ·
Figure skater spinning with arms in and out
- jmb07
- · Replies 2 ·
Finding Phase Constant and air-track glider
- Liketothink
- · Replies 18 ·
Solving Amplitude Problem for Air Track Glider
- Liketothink
- · Replies 14 ·
Find Amplitude of Glider in Air-Track Oscillation
- Liketothink
- · Replies 9 ·
Solving a Pulley System: Find Acceleration a
- bodensee9
- · Replies 1 ·
Calculating Bullet Trajectory Distance at 30° Angle
- Robert Alan
- · Replies 14 ·
Calculating Energy Expenditure for Weight Loss Through Stair Climbing
- xX1SHOt
- · Replies 2 ·
Ampere's Law (I think). Induced current from current carrying wire
- in10s3gamer
- · Replies 12 ·
What Causes the Net Torque on a Uniform Disk?
- whitesox
- · Replies 4 ·
Right circular cylinder volume with radius 2.36 cm and length 44 cm
- skandol
- · Replies 2 ·
How Does Archimedes' Principle Determine Buoyant Force?
- skandol
- · Replies 1 ·
Linear Thermal Expansion: Bridge Joints
- Warden619
- · Replies 3 ·
Equilibrium of Forces on a Spring
- alexander_i
- · Replies 3 ·
Calculating Angular Momentum: Mass, Radius, and Frequency Considerations
- jmb07
- · Replies 3 ·
Solving Friction Problem for 30.0 kg Packing Case in a 1500 kg Pickup Truck
- Amar.alchemy
- · Replies 2 ·
How Does a 90-Degree Bend Affect Pressure Drop in Pipes?
- Yogesh Kamble
- · Replies 1 ·
When do I use V=kq/d versus W=qEd for electric potential?
- Procrastinate
- · Replies 1 ·
How Does Friction Affect Oscillations in a Spring-Mass System?
- toastie
- · Replies 16 ·
Calculating BB Gun Muzzle Velocity Using Projectile Motion Equations
- blackboy
- · Replies 4 ·
Work to spin up a CD from rest to 1.26 m/s tangential speed
- jmb07
- · Replies 3 ·
How Much Work Does the Wall Do to Stop a Skater?
- ash4741
- · Replies 7 ·
Are force and volume fundamental units?
- Ki-nana18
- · Replies 3 ·
Projectile Motion Up An Incline Plane
- abhikesbhat
- · Replies 5 ·
Standing waves and maximum intensity?
- kathyt.25
- · Replies 1 ·
Two moving blocks, find small blocks final velocity
- toastie
- · Replies 1 ·
How Much Force Must a Nurse Apply to Overcome Blood Pressure Using a Syringe?
- talaroue
- · Replies 4 ·
Why ice keeps drinks cooler than wood as a coolant
- smillphysics
- · Replies 2 ·
What Is the Coefficient of Kinetic Friction Between the Box and the Dirt?
- brunettegurl
- · Replies 5 ·
Constructive and destructive wave interference
- kathyt.25
- · Replies 3 ·
What is the de Broglie wavelength of an electron accelerated by 75V?
- Brendanphys
- · Replies 2 ·
Can a Hot Wheels Car Travel 42 cm with Initial Kinetic Energy Alone?
- suekz
- · Replies 4 ·
How Do You Calculate Tension in a Pulley System on a Ramp?
- brunettegurl
- · Replies 8 ·
Mechanics quesiton. Skateboarder on ramp.
- milan.007
- · Replies 2 ·