Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Finding the Distance for a Projectile to Land on a Moving Cart
- judas_priest
- · Replies 4 ·
DISTANCE travelled by the projectile
- judas_priest
- · Replies 4 ·
Relationships between Current, Voltage and Resistance
- fictionistruth
- · Replies 1 ·
Introductory Special Relativity Problem
- puneeth9b
- · Replies 16 ·
How Does the Speed Distribution Function Determine Vmin and Vmax?
- reactor
- · Replies 4 ·
Resultant Velocity of a Projectile
- malti001
- · Replies 5 ·
Calculating distance of image from lens
- agoogler
- · Replies 4 ·
Force needed to unroll toilet paper from a cylinder on a wall
- 2013
- · Replies 73 ·
Expansions in thermodynamics using differentials
- CAF123
- · Replies 42 ·
Adding force vectors and then calculating acceleration.
- agoogler
- · Replies 5 ·
Is Gravitational Attraction Negligible in Oscillating Systems?
- Saitama
- · Replies 79 ·
Relative speed with respect to mirror image in two dimensional motion
- agoogler
- · Replies 23 ·
Bernouilli's principle pipe flow problem
- pianopanda
- · Replies 5 ·
What is the resistivity of a copper wire with given dimensions and length?
- freddy13
- · Replies 1 ·
Time period of a pendulum consisting of a rod and bob
- justwild
- · Replies 1 ·
Calculating the Charge of 3 Capacitors
- freddy13
- · Replies 9 ·
Calculating Velocity Using Power
- thedude36
- · Replies 1 ·
Will Supplies Dropped from a Plane Land Safely on a Small Island?
- STEMucator
- · Replies 3 ·
What Is the Final Temperature When Ice and Water Mix?
- shin777
- · Replies 8 ·
Initial vs final for a projectile
- judas_priest
- · Replies 3 ·
Focal length of a convex mirror
- aChordate
- · Replies 9 ·
What is the Velocity of a Disc Thrown at a 28° Angle to the Ground?
- STEMucator
- · Replies 10 ·
How fast do you need to travel for a red light to appear green?
- aChordate
- · Replies 8 ·
Ball kicked horizontally with wind acceleration on boardwalk
- brightside
- · Replies 7 ·
Why Is Potential Energy Calculated from the Bottom of the Circle?
- duplaimp
- · Replies 19 ·
Oblique collision with two spheres one of which is at rest
- Woolyabyss
- · Replies 2 ·
What are point charges?Why we use point charges for coulomb's law?
- kashan123999
- · Replies 8 ·
How Is the Focal Length of a Mirror Determined When the Image Size Doubles?
- aChordate
- · Replies 2 ·
Calculate charge on object suspended between capacitor plates
- PoppletonPlace
- · Replies 6 ·
Polarization: ratio of transmitted to incident intensity
- aChordate
- · Replies 1 ·
Block, spring, and incline- work/energy
- natasha13100
- · Replies 9 ·
Does potential depend on relative permittivity in a dielectric?
- Lindsayyyy
- · Replies 5 ·
Question regarding Magnetic field
- utkarshakash
- · Replies 3 ·
Maximum incident angle for total internal reflection in fiber optic cable
- aChordate
- · Replies 3 ·
Polarization and decreasing intensity of light to 10%
- aChordate
- · Replies 3 ·
Torque on a point on a sphere in a fluid/finding pressure?
- 6283186
- · Replies 5 ·
Oblique collision involving two spheres
- Woolyabyss
- · Replies 8 ·
About understanding things and solving problems
- GGalaxy
- · Replies 3 ·
Finding distance by angle of incident
- aChordate
- · Replies 1 ·
Electric field lines between 20/30 V point charges vs. 10/0 V
- miaou5
- · Replies 4 ·
Energy loss from plastic rod compression in a tube
- thewoodviolin
- · Replies 11 ·
The gravitational field g due to a point
- BadSkittles
- · Replies 13 ·
Finding Center of Mass of 800g Steel Plate Triangle
- Anthonyphy2013
- · Replies 6 ·
Calculating work with kinematics and dynamics
- jjesiee
- · Replies 8 ·
What is the distance to the target?
- oneplusone
- · Replies 8 ·
How Does Elevator Motion Affect Work Done by Forces?
- Enduro
- · Replies 3 ·
How long does it take the ball to come to a hault?
- iScience
- · Replies 7 ·
Two infinite sheets with charges
- BadSkittles
- · Replies 6 ·
Can You Orbit an Asteroid by Running?
- Bashyboy
- · Replies 15 ·
Why do two masses move towards each other under gravity?
- Kyoma
- · Replies 4 ·
Tension at top of heavy rope connecting two blocks (Y&F 4-49)
- Ackbach
- · Replies 1 ·
Electric Field and Voltage Equation Applications
- freddy13
- · Replies 1 ·
Time period of oscillation of a physical pendulum and spinning disk
- Avi Nandi
- · Replies 3 ·
How Is Gas Pressure Derived in the Kinetic Theory of Gases?
- DorelXD
- · Replies 3 ·
Radius of a Raindrop given Charge and Electric Potential
- freddy13
- · Replies 3 ·
Problem regardin an elastic wire.
- DorelXD
- · Replies 16 ·
Electric Potential and Field Calculations for Point Charges on the x-Axis
- rockerdude1210
- · Replies 7 ·
Sensor - Calculate the Capacitance
- 2013
- · Replies 87 ·
Solve the Homework Problem with Work and Energy
- Anthonyphy2013
- · Replies 3 ·
Magnitude of an Electric Field in a Cylinder
- freddy13
- · Replies 1 ·
How far up a 6m ladder can an 800N worker climb before it slips?
- oneplusone
- · Replies 10 ·
The photoelectric effect report
- 5ymmetrica1
- · Replies 1 ·
Finding internal forces and moment at point J on a loaded beam
- yaro99
- · Replies 5 ·
How Much Work Is Needed to Stretch Two Springs and Move a Cube?
- duplaimp
- · Replies 11 ·
How to solve this without resorting to inertial forces
- arestes
- · Replies 3 ·
Finding a wrench's moment of inertia from its swing period
- Anthonyphy2013
- · Replies 8 ·
How do I calculate the Velocity when only given the force and weight?
- camel-man
- · Replies 2 ·
Deflection of suspended coil (fluxmeter)
- Order
- · Replies 2 ·
Is (0,0) a Valid Coordinate in a Bounce Height Experiment Graph?
- TheRedDevil18
- · Replies 3 ·
Resolve a force into three parts (3D)
- John Dough
- · Replies 6 ·
Finding constant velocity in a trapezoidal motion profile
- robertor
- · Replies 46 ·
Inelastic collisions in 2 dimensions
- SohailS
- · Replies 1 ·
Why does gas leak work increase with initial pressure?
- CAF123
- · Replies 27 ·
A cylinder rotating in Cartesian coordinate system
- Earthland
- · Replies 6 ·
Work and energy- 1 stationary and 1 swinging block (table+pulley)
- natasha13100
- · Replies 21 ·
A balls velocity when it reaches the top of the inside of a loop
- jeff.reinecke
- · Replies 12 ·
Conservation of Energy of blocks and rope
- SPiazzo
- · Replies 4 ·
How to calculate the work function of a metal?
- madayag1
- · Replies 8 ·
Using the gravitational formula
- 462chevelle
- · Replies 9 ·
Speed of object in circular orbit under central force F = -Ar⁴
- postfan
- · Replies 6 ·
Energy conservation in two dimensions
- SPiazzo
- · Replies 2 ·
Find deceleration from distance and initial velocity
- -sandro-
- · Replies 5 ·
How to Calculate Impulse and Average Net Force in a Baseball Collision
- SohailS
- · Replies 6 ·
Which Sign Describes Phasor Direction in Circular Polarization?
- Niles
- · Replies 4 ·
Rodmechanism relative movements problem
- wouterbeke
- · Replies 4 ·
Geothermal heat pump or heat engine power requirements
- bkraabel
- · Replies 8 ·
How Does Electric Flux Differ Across a Hemispherical Surface?
- mdf730
- · Replies 5 ·
Work done by gavity on an inclined plane
- fd25t6
- · Replies 7 ·
Acceleration of a system with three blocks
- duplaimp
- · Replies 2 ·
Calculating Potential Energy and Velocity in Newton's Cradle Lab
- gdhillon
- · Replies 7 ·
Average power given velocity, kinetic friction, and mass
- SPiazzo
- · Replies 1 ·
Calculating Electric Field Strength Between Two Point Charges
- jokester4u
- · Replies 5 ·
Applying Coulomb's Law: Changes in Charge and Distance
- webiret
- · Replies 2 ·
Statics problem, trailer and truck system
- yaro99
- · Replies 6 ·
Speed of a meteor before hitting a space station
- andreea_a
- · Replies 32 ·
What Does a Harmonic Wave Equation Represent in Physics?
- matywlee
- · Replies 3 ·
Satellite elliptical orbit: torque, speed at multiple positions
- Anthonyphy2013
- · Replies 4 ·
Rotation: angular momentum and torque
- Avi Nandi
- · Replies 2 ·
Sound(Determine period, frequency from the plot)
- wislagrew
- · Replies 4 ·
Statics problem, analysis of a frame
- yaro99
- · Replies 10 ·