Introductory Physics Homework Help Forum

Period of a mass oscillating on a spring

Why Does the Styrofoam Slab Float at Water Level When a Swimmer Rests on It?

What happens when two forces meet at 45 degrees?

Calculating Net Force on 2kg Mass Down 8m Incline

How Does Jupiter's Mass Density Compare to Earth's?

How do you calculate deceleration due to resistance?

How Does Lenz's Law Affect Current in Adjacent Loops?

Angular momentum of the sun and a white dwarf

Conservation of Energy for a rotating Rod

What percentage of a boat is above water when it has a density of 0.75 g/cc?

How Many Parts Must a 100Ω Wire Be Cut Into to Achieve 1Ω Total Resistance?

What is the net torque about the axle?

Index of refraction of an optical fiber

Kinetic Energy, Potential Energy, Work

Quarter tossed at 60° into carnival dish 2.1 m away

Two masses on incline and hanging by rope - finding speed after 30 cm fall

How can I design a roller project to roll down an incline as slow as possible?

How Does Gravity on Planet X Compare to Earth's?

Radius of Curvature of Ion in Magnetic Field

Changing the direction of the acceleration Vector

Calculating Vector Force Between Charged Particles

Penguin and slide. Check my answers? I want to be prepared for the test

What is the Optimal Diameter for a 12.0 Ω Nichrome Wire at 20°C?

What is the power - the rate at which it supplies electrical energy?

Current in resistor network with 40.7 V between points a and b

Using a velocity-time graph to calculate accelerations, positions, etc.

Solving a Physics Mystery: Initial Speed & Height of Ball

Minimum phase difference between two in-phase sources on a screen

What are some physics-based driving techniques to improve efficiency and safety?

Photons - Trying to find distance

How Do You Apply Kirchhoff's Rules to Solve for Currents in a Complex Circuit?

How Well Do You Understand Electric Fields and Potential?

Which method is more accurate for determining peak time in data analysis?

How Do You Calculate Forces on Inclined Planes?

Finding launch angles for a tennis ball to hit a window 100 m away

Determine value of the resistance of the resister

Fall with Air Drag - Which Value for Velocity to Use?

Magnitude of acceleration of block

Finding tension in ropes supporting a man on a scaffold

What Is the Electric Field Perpendicular to a Uniformly Charged Rod?

Centripetal Acceleration of hard drive

Calculating Potential Energy in a Parallel Plate Capacitor

How much work is done. Physics problem

Problem with Thermal expansion: volume

Refrigerator Question: Does Leaving the Door Open Cool an Enclosed Room?

What is the Expectation Value of Momentum for a Wave Function?

Did I Solve Problem 3-48 Correctly?

Problem with Bernoulli's equation.

Projectile Motion of a grasshopper off a cliff

What is the Charge and Error in a Parallel Plate Capacitor?

How Do You Calculate Average and RMS Values for a Half-Wave Rectified Signal?

Solving for Maximum Height of Ball Launched at 60 Degrees

Solving a Physics Problem: Falling Ball from Tabletop

How Do You Calculate Masses from an Acceleration vs. Force Graph?

Calculating Work in a Pulley System

Laboratory setup -Capacitance vs. Temperature

What Is the Magnitude of the Acceleration in an Atwood's Machine?

Blocks on turntable with friction = hard problem

What is the minimum coefficient of static friction between tires and road

Solving Soccer Ball Catch: Find Avg. Speed

Finding Launch Angle Using Projectile Motion Equations

Force between parallel plates in a capacitor

Finding the Work Done in Moving a Mass on a Half-Cylinder at Constant Speed

How Is Total Work Calculated for Blocks on a Pulley System with Friction?

Velocity and height of a ball thrown at an angle

Resultant displacement of two perpendicular vector components

Conservative forces on a sliding block

Two infinite rods with charges

Show that dA/dt is constant in time

Which statement correctly describes Bohr's quantum model of the atom?

• Poll

What is the Resistance of Your Calculator?

What is permanent magnet B field equation?

How Is Total Work Calculated for Two Connected Blocks with Friction?

What Is the Minimum Compression Distance X for Safe Loop Negotiation?

Finding coefficient of kinetic friction from cable tension and mass

Is the flux Q an integral in exercise c?

How Is Velocity Calculated for a 5kg Block in a Pulley System with a Spring?

Astronomy - ratio of the magnitude of the force of sun and moon gravity

Physics Thermodynamics - Finding Work

Carnot Icemaker: Calculate Heat Rejected

Centripetal acceleration and static friction

Finding centroid y-coordinates for moment of inertia of a cross section

Simple Harmonic Motion and Reference Circle

Block sliding down slope against spring

Ionisation chamber current in wire vs air and residual current causes

Magnet Movement When Charged Rod or Bar Magnet is Brought Near

How Far Does a Block Travel Before Stopping?

Really really on a projecton physics problem

Minimum distance between two vectors on a graph?

What Is the Spacing Between the Slits in the Double Slit Experiment?

What is the Electric Field at P(0,0,4)?

Finding spring constant for block compressing spring on incline

How Does Distance Affect Electric Flux Through a Square?

Electric Potential/Work - POint Charges on a Square

What Forces Affect the Acceleration of an Airboat?

Find the magnitude of the torque

Electron in a uniform field, acceleration

Infinitely Long Cylindrical Surface Problem

Force and Motion - Car going over a hill

How Does Air Force Affect Kinetic Energy in a Fancart?