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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Solving for applied force to push an object up a ramp.
- agentnnc
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Student on Ladder (Equilibrium)
- SuperCass
- · Replies 9 ·
Primary voltage and transformers
- zebra1707
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Estimate the overall change of entropy for this system.
- mlostrac
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My teacher marked me wrong but it think this is right
- physicskid72
- · Replies 2 ·
At what position or positions on the x-axis is the electric potential 0?
- Mitchtwitchita
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Torque on Charges in an Electric Field
- Mitchtwitchita
- · Replies 3 ·
When Should the Violinist Play Her Note? Understanding Timing in an Orchestra
- physics(L)10
- · Replies 9 ·
Lorentz transformation of friction
- YangMills
- · Replies 1 ·
Electric Potential Between Multiple Points
- Mitchtwitchita
- · Replies 32 ·
HELP: Beam hinged to a wall question - inertia, torque etc
- srhhhla
- · Replies 1 ·
Block and Strut Equilibrium Analysis
- SuperCass
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Finding work done by friction force
- Agent M27
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Mesuring coefficient of static friction
- kash123
- · Replies 8 ·
Solve Geometric Optics: Convex & Concave Lenses, Focal Lengths
- cyt91
- · Replies 4 ·
How to Calculate Net Impulse from Jumping Motion Analysis
- Trandall
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Solving the Friction Force Puzzle: Range of Acceleration for Slab
- Beamsbox
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Calculating Normal Force on an Inclined Plane: What Changes?
- hawk 1sr
- · Replies 2 ·
Initial speed of a thrown/falling stone
- physics newb
- · Replies 8 ·
Solving for Momentum Comparison: Masses and Kinetic Energy in Motion
- mcleodj2
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Electric Potential: Comparing P & Q
- ojsimon
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Potentiometer Circuit Question: Understanding Electron Flow and Resistance
- daysrunaway
- · Replies 6 ·
Force given mass, velocity, and displacement
- mandy9008
- · Replies 5 ·
Calculate Train Speed Increase: 84 km/h in 495.7s | Force Physics Problem
- mandy9008
- · Replies 5 ·
Block sliding up a ramp with friction using energy conservation
- shuter
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Young's Modulus and Hooke's Law
- mlostrac
- · Replies 6 ·
What is the temperature at the joint between the two rods?
- mlostrac
- · Replies 9 ·
Calculate Mass of Planet with Density 4950 kg/m3 and Velocity 3.55 km/s
- clockworks204
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Calculating Tension and Angular Motion in a Pivoted Beam System
- Dalek_Supreme
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Finding Capacitance of a capacitor
- Mirole
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Adiabatic Process: Is Work Negative?
- traveler7
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Understanding Young's Modulus: Constant vs. Variable Spring Constant | Q&A Help
- ishterz
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Calculating Local Gravity: How is g = 9.81m/s^2?
- Kat007
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What Determines the Total Power Output of a Battery?
- daysrunaway
- · Replies 1 ·
Static Equilibrium incorporating torque
- EV33
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Calculate Relative Velocity b/w 2 Objects: Object A & B
- dstepp
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Electric Fields near the surface of the earth
- Mitchtwitchita
- · Replies 5 ·
'Centripetal Accelerations' and 'Radius of Curvatures' in Projectile Motion
- modulus
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What is the solution for a Two Block and Pulley System?
- SuperCass
- · Replies 5 ·
Ranking Torque Magnitudes About a Pivot Point | F=2F=2F=F | 60° & 30° Angles
- flynostrich08
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Calculating Max Speed of 0.3 kg Mass on Horizontal Spring
- flynostrich08
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Work (done by gravity) - pushing up a ramp
- mybrohshi5
- · Replies 12 ·
How Do You Calculate Voltage from Electric Field and Charge?
- Zamze
- · Replies 9 ·
Solving Circular Motion Problems: Uniformity and Changing Flash Frequency
- NachoKing
- · Replies 1 ·
'Simple' Pendulum in Hanging in a Car Udergoing Circular Motion
- modulus
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Static equilibruim in light spring
- jinx007
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How Do You Calculate the Potential Energy of a Spring?
- dulaville
- · Replies 3 ·
Calculating Work: Hammering a Nail with a 0.40kg Hammer at 5.0 m/s
- reahsalr
- · Replies 2 ·
Weird bouyancy/mass/density problem
- cubejunkies
- · Replies 3 ·
Mechanical Problem - Find Solution Here
- MHD93
- · Replies 4 ·
What is the final speed and direction of the first puck after collision?
- physics(L)10
- · Replies 10 ·
Explaining Diagrams using Physic concepts
- NachoKing
- · Replies 1 ·
How to Determine Relay Operation Cycle Time Using Natural and Forced Response?
- dhruv.tara
- · Replies 4 ·
Orbital Radius and Period: Doubling the Orbit
- flynostrich08
- · Replies 1 ·
Calculating Final Temperature of Lead Bullet
- leslie123
- · Replies 5 ·
Finding height of frictionless roller coaster
- Agent M27
- · Replies 4 ·
Elastic collisions and gravitational forces
- mickellowery
- · Replies 3 ·
Understanding the Work of Gravity: Exploring Positive and Negative Forces
- flynostrich08
- · Replies 1 ·
Energy in collisions - which statement is true
- flynostrich08
- · Replies 1 ·
Is Work Considered a Vector Quantity?
- flynostrich08
- · Replies 1 ·
Another wonderful Torque problem
- flynostrich08
- · Replies 1 ·
What Angle Is the Road Banked for a 1000kg Car on a 25m Radius Track at 30m/s?
- superaznnerd
- · Replies 4 ·
Uniform circular motion statements
- flynostrich08
- · Replies 1 ·
Solving for Force Exerted on Wall by Suspended Fish | Physics Homework Help
- kboykb
- · Replies 9 ·
Moment of Inertia for a Disk with Hole
- SuperCass
- · Replies 5 ·
Exam Question: Rolling Ball on Concave Surface - Is Work Done?
- tomwilliam
- · Replies 4 ·
Finding q1,q2,q3; Electric charge problem
- Michael126
- · Replies 2 ·
Calculating Work for a Fired Projectile
- superaznnerd
- · Replies 1 ·
Static Friction of box on a ramp
- elbonymcbride
- · Replies 3 ·
How Does Exponential Decay Explain Light Absorption in Solutions?
- Moogie
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Gaining power from pulling a punch?
- Jeremy_V
- · Replies 59 ·
Circular motion (2 particles on a string)
- Geometor
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What is the general angle of theta?
- element41$
- · Replies 4 ·
How Does Kinematics Influence Base Running Techniques in Baseball?
- A2Airwaves
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Work and Friction: Boy Sliding Down Hill
- flynostrich08
- · Replies 5 ·
Why is an inverting summing amplifier used in audio mixers?
- thereddevils
- · Replies 2 ·
Why is only the k component considered? (Details inside)
- sgvaibhav
- · Replies 10 ·
Kinetic energy of a 500 kg satellite 200 km above Earth
- MasterAsia
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Conservation of Angular Momentum: angular speed
- mickellowery
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Changing force, linearly changing.
- Beamsbox
- · Replies 16 ·
Finding entropy involving metal in water
- aal0315
- · Replies 10 ·
Index of refraction and focal length question
- element41$
- · Replies 1 ·
Moment of Inertia & Angular Motion of a Stick
- humpdebump19
- · Replies 7 ·
How Does a Heat Engine's Efficiency Impact Its Exhaust Heat Rate?
- mlostrac
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Estimating Air Molecule Motion at STP
- mlostrac
- · Replies 4 ·
Difference between photon and electron collisions with atoms
- Daveami
- · Replies 3 ·
How Do You Calculate the Moment of Inertia for a Disk and Block System?
- pleasehelpme6
- · Replies 16 ·
Projectile motion of water hose
- mandy9008
- · Replies 2 ·
How do I rearrange this equation for T?
- mandy9008
- · Replies 1 ·
Which of the following statements are IMPOSSIBLE?
- traveler7
- · Replies 8 ·
Finding muzzle velocity using range and height of barrel
- physicsisrad
- · Replies 1 ·
Understanding Velocity and Vector Calculus for Moving Objects
- Engels
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What Are the Components of These Two Vectors?
- xupe33jrm
- · Replies 1 ·
How Do You Calculate Thrust for a Rising Model Helicopter?
- jinx007
- · Replies 1 ·
Projectile Motion: Maximum Height & Velocity Components
- xupe33jrm
- · Replies 1 ·
Conservation of Momentum, Energy
- SuperCass
- · Replies 3 ·
Wording of a Force and Motion problem
- Beamsbox
- · Replies 2 ·
Dipole moment of sphere with uniform volume charge Q
- Saraphim
- · Replies 7 ·
Solve Hard Vector Problem: Location of City C
- mandy9008
- · Replies 2 ·
Calc # of Persons Carried by Hydrogen Balloon
- physicsnoobss
- · Replies 1 ·