Introductory Physics Homework Help Forum

Intensity of light after passing thru polaroid

Finding an expression for a projectile's horizontal range

Constructive or destructive interference after a set number of waves?

Inelastic Collision Scenario Question

Train Collision Problem - Calculating Head Start

Traveling Car Physics Question - Comparing Speed & acceleration

How Does Gauss' Law Apply to Charged Spheres?

Analytical Approach to Impedance Matching

Analyzing SHM with Two Pendulums and Varying Masses

What Are the Dynamics of a Particle in Vertical Circle Motion?

Pendulum Period on Earth and Mars

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Quick question on a one-dimesnional motion problem

Simple harmonic motion platform

Finding a buoyant force on an object

Physics HW kinematics and sig figs

Is the answer in book wrong? Ones complement conversion

Circular Motion involving a gravitron

Calculating Particle Position with Constant Acceleration

Solving Calories Problem: Lose 6kg in 42 Days

Calculate Horse Power of a Boy Eating Ice

Relative velocity and conservation of linear momentum

Help deriving an equation using chain rule

A vector F=Fz, where z is unit vector, expressed in sphereical coord.

Power of an Engine: Work & Effects

3 bulbs at different brightness

Classical Mech - Newtons 2nd. Quad Air Resistance

How Much Torque is Needed to Lift a 1000 lb Load with a Power Screw?

Possibly incorrect professor statement

Calculate N for Thermo Lab Vacuum at 293K

What is its average speed during this 37 s interval? Answer in units o

Create a car to pick up a ballon, travel a distance, and pop it

Dynamic vs kinetic vs static in physics

Help me find the vector and resultant magnitude of this equation pleas

How Do You Calculate the Average Velocity and Magnitude in a Squirrel's Path?

Absolute Uncertainty of a Negative Power

Calculating Electric Force of a Point Charge on a Charged Particle Thread

Electric Potential and Second Charge

What is the Height of Mercury in an Inclined Torricellian Tube?

Solving for the Velocity and Height in a Difficult Kinematics Problem

Simple Question: What is going to throw farther Catapult or Trebuche

Density of Earth's atmosphere w.r.t height

Density and r.m.s of an ideal gas

Calculating Time Difference of Longitudinal Waves in Steel Pipe

What is the Change in Potential Energy of a Displaced Meter Scale?

Path diffrence to produce destructive intefrence

Applied optimization to SHM problem? Hard?

How long does it take for Tc-99m to reach a nearby hospital for a bone scan?

Length, time and velocity in relativity (special?)

Current through resistor parallel to two different batteries

How can angular frequency be eliminated in solving a challenging SHM problem?

Magnitude of electric field 32m from a rod

Relative Velocity Airplane Problem

Physics Question pertaining to Velocity and Gravity

Dropping Keys to find the floor you're on

What Value Should Charge C Have to Nullify the Net Force on Charge B?

Average Speed between two cities

Orbit Precession Angle: Find & Condition for Cycles

Maximum Sliding Distance in a Rotating Cone - Solving for r

What Are the Correct Steps to Determine the Thevenin Equivalent Circuit?

Solving for Two Point Charges Using Electric Field Lines and Homework Equations

Why does a pressure drop in a pipe cause a force on the pipe?

Fluid mechanics -- fluid in a container moving down an incline

Mechanics in cartesian coordinates

Vector product and vector product angles

Charge distribution in concentric shells

What units are BTU compatible with?

Calculating Magnification with lens, an object, and a screen.

Find the amount of a vector acting in the direction of another vector.

Velocity and Acceleration Equational Problem ( making sense)

Circuits - Node analysis of connected and dependent sources

Does the Permeability of Water Prevent Surface Disturbance in Aquariums?

Electric Field from Arc of Charge - Need Help

Classical Mechanics - Moving Object in 3D space

Car coming to a stop kinematics problem

Solve for mass using a graph of a collision

How can I understand the motion of a particle on a cycloid trajectory?

Electric field strength from two charges

At how many rpms will a blade tip break the sound barrier

One Dimensional motion of particle in a potential field

How to find wavelenght of a 3m spring with 2,5 Hz?

Electrostatic forces and distance when considering changes in potentia

Equilibrium Statistical Physics, Plischke ex. 1.2

Fluid Forces & Buoyancy: Why is There a Force Pushing Up?

Object floating on water with oil poured in

Direction of oscillation of wave

Why doesn't the inside of a conducting cup transfer charge?

Sig Fig: Calculate (.82+.042)(4.4*10^3) - 3800

How Do You Apply the Mesh-Current Method Correctly in Circuit Analysis?

A shell is fired vertically upwards

Beers Law and Colorimetry Problems

Solve 2D Statics Problem: F1, F2, θ w/ 910N Force

Some funny theoretical tasks, classical physics

Equivalent resistance with a short circuit

Why does water offers less friction?

Projectile motion submarine missle problem

How to Convert Units to Solve Collision Force Problems?

Rotational Dynamics Homework: Velocity & Acceleration of Wheel

Node Voltage Method: Solve for v0 in Circuit

Find Min Force on Particle 3 with q1,q2,q3 Charges

Why is the direction of reflected light different from that of refracted light?