Introductory Physics Homework Help Forum

Vector Addition - Find Angle of Resultant Force

Calculate the acceleration for a ball bearing

Conservation of Energy object of mass

How Is the Period of a Satellite Calculated?

Potential Change in a Circuit Diagram

Solved: R Vectors in Different Drawings Same Magnitude?

How Did a Supernova Influence the Unique Composition of a Solar System?

When Does the Package Reach the Ground?

What is the angular velocity of the sun?

Expression for the force on a particle

Solving Spinning Animals Problem with Negligible Mass and Length

How Is Velocity Calculated in a Compound Ballistic Pendulum Experiment?

How Does Elevator Acceleration Affect Object Weight?

What is the speed and normal force of a bead sliding around a loop-the-loop?

Differences in kinetic friction coefficents

Is Momentum Conserved with Just the Ball and Player in a Jump Ball Scenario?

Solving an Elevator Power Problem: Find the Average Power in kW

How Does Friction Affect Work Done on an Incline?

How Many Revolutions Does the Smaller Disk Make Around the Larger Circle?

Solve Gauss' Law for Electric Field - Help Here!

Angular acceleration of a Propeller

Calculate Electrostatic Force: Metal Spheres 3.00x10^-6C & 2.00x10^-6C @12.0cm

How Does the Direction of a Magnetic Field Affect Induced EMF in a Loop?

Understanding the Solution to an AP Physics C Exam Problem

Why Does Hot Water Freeze Faster Than Cold Water?

Work and kinetic energy of two blocks

Number of Forces Doing Work on Box on Incline

Calculating Solar Energy Needed for $1000 Worth of Electricity

Finding Mass and Speed in Kinetic Energy Problems

Calculate Acceleration of 6.90 kg Mass with F1 & F2 Vectors

The Doppler Shift - is this right?

Working with two moving targets ?

Calculating the Final Height of Chris's Bungee Jump

• Poll

Gravitational force = 0 between two planets?

How Does Inserting a Dielectric Affect Voltage in an Uncharged Capacitor?

Index of refraction, calculate frequency. ~ stuck at 2 unknown variables

Boat light distance when it strikes bottom.

Solving for Sound Intensity: How Far Away is 75 dB? [SOLVED]

Percent uncertainty of momentum

Angular Acceleration during Bowling

Solve Two Electric Field and Capacitor Problems with Homework Help!"

Capacitor Circuits: Battery Removal Effects

Vertical Kinematics: Solving for Jump Time

Magnetic Field due to a current loop

Want to know correct answer for electric field + potential question

What is the Total Outward Force Exerted on a Pool's Vertical Wall?

Nitrogen Gas Molecule Speeds and Temperature Relationship

Solving Static Friction: 3 kg Block & 99 N/m Spring

Thermodynamics and ice melting.

Acceleration of a block on the floor

What Is the Maximum Weight a Flowerpot Can Be Supported By Two Cables?

What is the required altitude for geosynchronous satellites above the Earth?

How Can I Effectively Learn Physics on My Own as a High School Student?

Solution for Elastic Collision of Three Identical Billiard Balls

How Do You Calculate Power Dissipation in a Double Loop Circuit?

Standing broad jump on the moon

Ski Ramp Physics: Find Initial Velocity & Injuries

Momentum and kinetic energy questions

Calculating % Change in Inductance of Search Coil in Metal Detector

Angle refraction from a point on glass.

Calculating Clay's Acceleration: 12.0 m Fall

Silly question about Cross-Product

Percentage of kinetic energy after an elastic collision

Pendulum Problem: Find Min Release Angle to Clear Peg

Centripetal Acceleration Part II

Weight in Terms of Distance From Earth

What Is the Correct Calculation for Satellite Speed in a Stable Orbit?

Open ended pipe Harmonics Mastering Physics Question

How Do You Calculate the Camera's Velocity in an Astronaut Momentum Problem?

Changing axis of a rotating wheel

Calculate Torque for Acceleration: 4-Wheel Car with 1000kg Mass & 12m/s Velocity

How to Find a Unit Vector in the Direction of a Given Vector

Choosing a mechanics topic for a group paper and presentation

Oh really? potential difference sucks

Solve Spring SHM Problem: Period of Oscillation in M1, M2, k

Elastic collision, one dimension

Solve Proton Bombardment Homework: Find Vf in m/s

Redo Physics Exam Qs: Find Acceleration & Direction

What is the surface charge density sigma?

Static electricity and electrons

Solving Collision Problem: 10g & 15g Objects Moving in Opposite Directions

Using Newton's Second Law for a System of Particles

Pendulum problem-last answer was wrong please

Current, Voltage Really Easy Question

More frustrating force problems,

Why does the heavier car stop sooner?

Oh jesus. potential difference problems help per favore

Difficult problems, im frustrated

How Long Until the Train Stops Moving Up the Inclined Track?

Need help finding distance of skier going down a hill Help

Find the total work done on 20.0N block

How Do You Determine Capacitance and Resistance in a Series RC Circuit?

Calculating displacement on a v-t graph?

Electrostatics, ONE TEENSY little problemo please HELPPPPP thanks

Determine acceleration when velocity is v=x^3-4x^2+7x

Velocity as a function of force/impulse/time.

Dielectric Capacitance of Parallel Plate Cap

Melting Ice Cube: Time Needed for 3-Ton Ice Cube with Golden Bars

Solving for Initial Velocity: When Angles, Distances are Given

How Does Wind Affect the Flight Time of a Plane on a Square Route?