Introductory Physics Homework Help Forum

How can I solve this potential energy problem with an elliptical equation?

Speed of Water Emerging from Large Tank: [itex] \sqrt{2gh} [/tex]

What Are the Correct Answers to These Basic Chemistry Practice Questions?

Designing a lab to detect alpha, beta, and gamma radiation

Solving a Complex Integration Problem: Finding the Work to Empty a Tank

What is the conservation of momentum?

What is the speed of the second ball after the collision?

Billiard balls in headon collision with one at rest

Finding the damping torque for a wire ring pendulum in a magnetic field

What Angle Should a Cannon Be Set to Hit a Target 400m Away and 30m Above?

Initial Speed of 5.5g Bullet Fired into 22.6g Wood Block

Calculate Absolute Pressure with Pump, Height, Density

Youngs Modulus and Elastic Modulus

What is the velocity of mass2 after dropping 3cm in a tension/friction problem?

Difficulty of calculus-based physics up to waves

Potential difference and ohms law

Setting up three kinematics problems with balls, objects and particles

What Happens to the Force Between Two Touching Charged Spheres When Separated?

What is the required tension in a high wire for a 50 kg person to safely cross?

Find Work Done by Engine in One Propeller Rev - 171 hp, 2310 RPM, 527.612 N*m

What Is the Correct Electric Field Calculation for a Point Charge?

Parallel Resistance for Two Identical Headlights with 6V Battery

Bungee jump from a bridge, how to find h

How Does the Relativistic Doppler Shift Equation Simplify for Low Velocities?

Finding a and b to make a piecewise function continuous

What are the Moments and Forces in These Statics Problems?

Time to fill a pool with a 5/8 inch diameter hose

Solving Easy Work Problem: 10N x 3.5m and 805 N x 22m

Waves Investigation [Using water]

How to interpret this projectile motion problem

Change in momentum and force magnitude for a car accelerating over 66 seconds

What Is the Correct Calculation of Stress in Welded Cylindrical Rods AB and BC?

Rotational kinematics and grinding wheel

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Why do 1g and 2.5g cars stick together after collision?

Find Initial Velocity of 5.5g Bullet Impacting 22.6g Block

Differentiating electromagnetic field

Blood pressure difference in constricted artery and oil flow rate

Free Fall Problems: Solving for Speed Without Calculus - Formula Included

Elastic head-on collision physics

Electric current, capacitance, and field problems homework

Speed and direction of bubble layer center of mass

Non-free-fall Acceleration Problem

How to Integrate by Parts Twice for e^3x cos(x)?

Centroid of a shape with a half circle hole

Integral of Natural Log Part II

Help with solving 6x - x² = x and factoring 2x⁴ - 32

Hyperfine and fine structure ENERGIES

Average force from a shot put throw

Integrating Natural Logarithmic Functions

Ball rolling down ramp off a table

Solving for Initial Speed of a 5.5g Bullet Impacting Wood Block

What constant force does the punter exert on the ball?

Dropped Rock Kinetic Energy Problem

Searching for female physicists

Car moving in circle with acceleration at 46 degrees to velocity

How to draw force diagrams for a physics test

Two-section tube flow rate using Poiseuille's law

Finding where the electric field is zero between opposite charges on the x-axis

Why alkanes are said to be saturated

Problem with composite functions

Rotating coordinates on a plane without graphing

Need Help? Solve 2 Physics Problems

Equilvalent Resistance Problems

Calculating Electric Field in a Line of Charge Problem

Finding <x> for a superposition of harmonic oscillator eigenstates

What is the maximum altitude reached?

Calculate the normal force and the tension in the string

Irrotational and divergenceless?

Two resistors in series and parallel, find resistance of A

How Does Electric Field Strength Change with Distance from a Point Charge?

How Is the Potential Energy of a Skydiver-Earth System Reducing?

How Does Physics Enhance Car Performance and Safety Features?

Calculating Internal Resistance of a Voltage Source from Terminal Voltage Drop

How do I calibrate a thermistor for measuring the melting point of a chemical?

Calculating Force to Pull Copper Ball Upward

Newtonian mechanics on a particle

SecondOrder Nonhomogenous Linear Differential Equations

How can I determine the speed of a bullet fired into a block of wood?

Laplacian of sqrt(x² - y²) and ln(r²)

Verifying the Conservativity of F and Finding Scalar Potential for F=-gradV"

Entropy rate in cylindrical rod with thermal reservoirs

Powering 4 Blue LED's in Parallel: Dropping Voltage to 3.5V

EMF induced in rectangular loop moving past infinite current wire

What is the Formula for Converting Rotational Speed to Linear Speed?

Electric potential in regions of concentric thin, conducing, spherical shells

Finding the y-intercept of y=3x^2-16x-12

What are vectors and how are they used in physics?

Photoelectric Effect: Max Current, Cutoff Potential, Kinetic Energy

Finding acceleration of a 12.5 kg crate on a 22-degree ramp

Force of Object on Inclined Place

Series and parallel resistor circuits with 3 problems

Finding unknown resistance and current in series and parallel circuits

Simple Quantum Mechanics Problem

What is Young's Modulus and How Does it Differ Between Materials?

Atmospheric pressure, buoyancy, and fluid dynamics problems

How Fast Does a Girl Enter the Water When Diving from a 15m Platform?

At what time will the particle be traveling at 32 degrees

Why does cos theta = dot product divided by magnitudes?

Calculating Receiver's Path and Speed to Catch Thrown Ball

Calculating Initial Velocity for a Basketball Player's Leap