Introductory Physics Homework Help Forum

A Spring in a Conservation of Energy Problem?

Jerk of the point of contact of a ball rolling on a flat surface

J j thomson's previous experiment

How Is Average Velocity Half of Final Velocity in Constant Acceleration?

Enthalpy of neutralization of HCl and NaOH

Induced emf in a stationary loop near a current-carrying wire

What is the Correct Formula for Calculating Speed in a Basic Generator?

How Does Changing Gas Quantity and Temperature Affect Pressure?

Prove: An, En, On --> L iff An --> L

Is There a Surjective Function from Z+ to Z?

Gas law problems with balloons, heating, and diving

I in applying Netwon's law of inertia

How Do Birds Control Their Falling Speed and Cars Stop Quickly?

Cannon recoil velocity with angled projectile

How Strong is the Electric Field Between Two Charged Plates?

Pendulum with Water-Filled Sphere: Does it Change the Period?

Electric field problems literally

Smiple circuit with just one resistor

What is the acceleration of a 20kg pail being pulled upward with 300N force?

How to Calculate Velocities and Momentum in an Elastic Collision of Bumper Cars

Solving Problem 14-54: Force on Box - Rope Tension

Magnetic Force: Work or No Work?

Calculating the Speed of a Block After Moving Downward: Work and Energy Equation

• Poll

Does this personal essay show my strengths and weaknesses?

Proving simple harmonic motion for a floating weighted cylinder

What Are the Characteristics and Effects of Electromagnetic Forces and Fields?

Which side of the triangle gives it maximu area?

Show that the electric field outside the shell is everywhere

What is the field outside the shell?

Carnot cycle, heat and monatomic ideal gas

Finding tangent points where a box's sides touch an ellipse

Finding spring constant, frequency, and wavelengths

Proving a heat engine more efficient than Carnot violates the second law

Intuitive explanation of gravity outside a sphere?

Solving Pressure with Gases in a Diving Bell

Hat is the value of the second capacitor?

Electric potential of insulating rod

Question concerning rotation etc

Measuring the Angle of Refraction in a Triangular Prism Lab

Understanding the Hall Effect: Comparing Germanium and Copper Magnetometers

Uniform Magnetic Field Causes Induced Current in Loops

Electromagnetic induction and EMF in wire

How Deep is the Well When Humming Establishes Standing Waves?

How to find water velocity in a rocket from ejection data

Mass of H Atom: 1.673x10^-27 kg

A bit of direction is needed, if possible

Why are roads banked on curves and ramps?

Proving dy/dx = (a+4b)x^(a+4b-1) for y = x^(2a+3b)/x^(a-b), a and b Integers

Finding constants k and n in athletic record equation t = kd^n

Solving for Time and Velocity in Hot-Air Balloon and Ski Jumping Scenarios

What Determines the Flight Time of Projectiles with the Same Horizontal Range?

Does buoyant force change with water density and what happens when iron falls from a boat?

Kinetic friction on a moving object

Materials for a homemade drum and how tension affects sound

Minimize tent cost with spherical cap of 150 cu ft

Calculating Mass Using Newton's Laws

Gravitation/circular motion problem

Why Is Calculating the Speed of the 0.89g Particle Post-Collision Challenging?

How Do You Calculate Eigenvalues for a 2x2 Symmetric Matrix?

A man, a boat, and the tractrix formed

Find the final speed of the heavier particle

How to Correctly Apply Newton's Laws to Determine Forces on a Dragged Log?

How Far Does a Magnetic Field Extend?

Derive Parallel-Plate Capacitance w/ 2 Dielectrics

Two particles elastic glancing collision, m deflected downward

What is the relationship between force and velocity in relativity and calculus?

Finding angular momentum from mv and radius in a magnetic field

Gas isobaric conditions problem

Finding charge, potential, and field of a rod with charge density λ=3x²

What is the tension required to raise a crate using frictionless pulleys?

Drawing and naming molecular shapes: CO3^-2 and SF2

Data analysis for Advancing Physics AS level coursework

Measuring Depth of Water in a Tank: Course Help

Rearranging Formula with t as Subject - Grace

Why is the centripetal force perpendicular to the path of a circular motion?

Inclined Planes and Acceleration

Find Work done by a force field

Physics teacher is bad, can I teach myself?

Why Do Different Sized Balls Travel the Same Distance in a Physics Experiment?

Solve Collision Problem: 1300kg Car A vs 1200kg Car B

How do I calculate current, power, and force in a circuit with given variables?

Electric Fields charge problem

Force between two alpha particles from decaying Be-8 nucleus

What Type of Gas Can Be Used for Isothermal and Adiabatic Energy Storage?

A proton colliding with a stationary carbon nucleus

How Do You Calculate the Internal Resistance and EMF of a Solar Cell?

Minimum dart speed for ballistic pendulum to complete circular loop

What is the skier's launch speed?

Calculating Free Electron Density in a Metal Wire

Why Is My Calculation of Work for Sliding a Crate Up a Ramp Incorrect?

Calculating Heat of Vaporization for Solid CO2 in Water

What is the total electrical potential energy

Converting a galvanometer to an ammeter with shunt resistor

Deriving the Maxwell Stress Tensor for a Spherical Charge Distribution

True or False on kinetic energy

Still no confident with these answers.

Just one harmonic motion problem

Ping-pong ball in zero-g water blob and train window breakage

Differentation Problem (involves product rule)

Solving the Integral: $\int_{0}^{\ln 2} e^{-2x} \,dx$