Introductory Physics Homework Help Forum

Frictionless Floor Multiple Choice

Find magnitudes of vectors B and C when hiker returns to start

A baseball's movement when considering air drag

Finding the third force for equilibrium of three forces

Find average force during contact when ball hits wall.

Deriving period formula for disk rotating on string through table

Calculate the force exerted on the handle of a wheelbarrow

Understanding Friction Force Calculation for Ball Bearings on a Track

Why Does Adding a Choke Dim an Electric Lamp in an AC Circuit?

Electric field from two point charges at a given location

Changing the resistance of a voltmeter

Acceleration of an electron in a constant electric field

Distance between 2 charged protons (i'm desperate)

How to Solve a Kinematics Problem Involving Acceleration and Time

Converging mirrors facing each other

Easy Time Graph: Create Visuals Easily!

Calculating Distance of Runners from Flagpole When Paths Cross

Can Explorers Communicate After Traveling 5 km North and 6 km Northeast?

Solving a Simple Free Fall Problem - Time, Velocity, and Distance Calculations

Collision between falling body and body shot upwards

Electron acceleration in uniform field and charge on two spheres

Finding height of a well using speed of sound

Projectile motion: calculating time and distance

Argument for relationship between scale length and frequency

What is the initial velocity of a projectile on a sloped surface?

Describe the difference in sound between a flute and a violin?

Calculating Displacement with Negative Work

Moving Ball on sloping surface issue

Solving for Water Pressure and Equilibrium in a Tube with a Piston

Uniform ladder on a frictionless wall?

Kinematics (a lot, but most worked out & conceptual)

Calculating Kinetic Energy of a Running Cheetah

Adding Resistors: How to Calculate Total Resistance

Work done by dog pulling sled at 15 degrees with friction

How Do You Calculate Mass and Density Using Dimensional Analysis?

Stone whirled in horizontal circle: finding string angle

When are unit vectors helpful?

Fairly simple dimensional analysis- somehow gone wrong

Finding magnitudes of displacement vectors for a closed hiker's path

Can You See a Wind Generator from 9000 Meters Away?

What Acceleration Will the System Move With?

• Poll

How Do You Calculate the Initial Velocity of a Rock Thrown from a Bridge?

Four charges in a plane. Finding the resultant Force

Finding magnitude and direction of resultant force

5 problems (Force, Height, Charge, Centripital)

Finding the unit for mass × length × second⁻³

Differential equation of spring-mass system attached to one end of seesaw

Minimum mass M to pull block up incline with spring

What Happens to Momentum and Energy During an Inelastic Collision?

Is power calculated using applied force or friction force?

What Are Different Ways to Define Energy in Physics?

How Does Acceleration Affect Final Velocity in an Elevator?

Diesel Engine driving a generator

Still trouble with time dilation

Finding Altitude: Calculating Earth's Gravitational Field Strength

Investigating a Gravity Car: Calculating Friction & Distance

What is the Fourier Transform of f(-x)?

Acceleration Deceleration Physics Problem

A tire sliding about a fixed point

Why Is an Exponential Model Suitable for Simulating Radioactive Decay?

Equilibrium Uniform Beam Problem

Constant Acceleration of a cheetah

Average speed problem What am I missing?

How Does a Catapult Calculate Force and Initial Velocity for a Projectile?

Some confusion on electron volt

Constant acceleration needed for a cheetah to catch prey in 3.2 s

How to Calculate the Maximum Magnetic Force on a Moving Charge in Sunlight?

Calculating Time Dilation in Apollo Astronauts Returning from the Moon

Finding required speed for second half to average 97.2 km/h

Rotational Dynamics-Moment of inertia

How to find the final height of a moving object

Voltage Drop across multiple resistors

A rock dropped from a cliff using speed of sound

Average speed of a race car in two directions with wind

How to Solve for Unknowns in a Complex Circuit Equation?

Inductive and Capacitive Reactances - AC circuits

Finding maximum acceleration with COF of Ms

Spaceship accelerating with engine force: work-energy vs kinematic results differ

Converting 6.5°C to Fahrenheit with significant figures

Finding the Maximum Electric Field of a Charged Ring Using Derivatives

Finding tensions and angle in a three-string static equilibrium system

Why is angular frequency used in simple harmonic motion?

Equations of motion for hinged link with two springs

Induced emf in a falling wire aligned with Earth's magnetic field components

Sound Interference: Calculating Minimum Distance Between Speakers

Difference in depth between the swimmer and its image

Solve 1D Infinite Potential Well: Find Energy Levels & Wavelengths

Which Axes Should a Coil Rotate Around to Induce EMF?

Solve Kinematics Problem: 2 Stones Meeting at Height

Balancing area of a loop and magnetic field through it

Velocity, acceleration, and position graphs

How Far Does the Cop Travel to Catch the Speeder?

How shud i apply lenz's law to this?

Dropping a Ball off a cliff collision

Derivation of Doppler Shift from Frequency to Wavelenght

What are the components and magnitude

My last kinematics batch (conceptuals)

This is the correct average velocity for the entire trip.

Calculating Microwave Oven Energy Transfer: What Information Do I Need?

Gravitational force from Earth on a 1.7kg rock on the Moon