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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Spring-launched clown: finding acceleration and maximum speed
- jessicak
- · Replies 1 ·
How Is Force Distributed Between Three Boxes on a Frictionless Surface?
- dlthompson81
- · Replies 3 ·
How Do You Calculate Q3 in a Complex Capacitor Network?
- ninjarawr
- · Replies 4 ·
Solving Optic Lens Problem: Find Object Distance for Magnification of 75
- mithil03
- · Replies 1 ·
Spring Force as Centripetal Force?
- lavenderbaby
- · Replies 4 ·
Calculating Repulsive Force Between Parallel Wires
- cdotter
- · Replies 2 ·
Kinamatics problem oh physics elders
- Zizfizziks
- · Replies 1 ·
Normal force on 80kg pilot in circular loop at 150m radius
- Telemachus
- · Replies 12 ·
Newton's Third Law Problem - Tightrope
- danshawvassar
- · Replies 1 ·
Normal force as centripetal force
- Telemachus
- · Replies 2 ·
Need to find velocity of an object I pushed off a table
- Coronita
- · Replies 3 ·
How to draw a qualitative a vs. t graph
- swimmer59
- · Replies 3 ·
What is the Kinectic Energy of the baseball?
- ohheytai
- · Replies 3 ·
Non-uniform circular motion question
- neshepard
- · Replies 3 ·
Magnetic repulsion between 2 wires?
- taylor.simon
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Impulse: Finding the average force
- impstudies
- · Replies 3 ·
Maximum Voltage without causing Dielectric Breakdown?
- mli273
- · Replies 3 ·
What Is the Angle When the Bean Is at Vertical Equilibrium?
- cheater1
- · Replies 14 ·
Mechanics Problems max, instant. v, etc.
- Shoelace Thm.
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What is the Maximum Weight of a Concrete Block Underwater?
- Delhi
- · Replies 2 ·
Finding distance with the conservation of energy equation
- asdf12321asdf
- · Replies 2 ·
Elastic collision: when is most KE transferred, and momentum with unequal mass
- strag
- · Replies 8 ·
SOS: Solving the Spring Constant of an Elastic Cord
- Sean1082
- · Replies 3 ·
Stopping Distance with Vi and Coefficient of friction.
- kitenyos
- · Replies 9 ·
Calculating Distance Traveled with Uniform Acceleration
- cglrtsn
- · Replies 1 ·
How Do You Solve These Diffraction Problems?
- mjsteves
- · Replies 2 ·
Projectile motion: cannon at 40 m/s and 40 degrees
- runningirl
- · Replies 9 ·
How Can I Calculate the Velocity of Propagation for an RG58 Cable?
- ~Sam~
- · Replies 1 ·
How Thick Is the Oil Film for Red and No Light Interference?
- quanticism
- · Replies 3 ·
Tension in ropes connecting two blocks on an incline
- DrummingAtom
- · Replies 1 ·
Amplitude in plane x=y from two speakers placed on x and y axes.
- Saraphim
- · Replies 2 ·
Thermodynamics - work in adiabatic, isothermal, isobaric
- eprparadox
- · Replies 1 ·
Angular velocity/acceleration problem
- NewbEngineer
- · Replies 1 ·
Coils rotating in a magnetic field find maximum emf and magnetic feild strength
- taylor.simon
- · Replies 1 ·
Parallel RC circuit: combining impedances vs phasor addition
- Tusike
- · Replies 2 ·
How do I find the necessary force to start a crate moving on a rough floor?
- JennV
- · Replies 12 ·
Curvature radius of alpha and beta particles
- ProPatto16
- · Replies 2 ·
Finding the Speed of Rain in Relative Motion
- kalupahana
- · Replies 5 ·
Work done in an adiabatic process and isothermals
- Amith2006
- · Replies 10 ·
What is the mangitude field inside the inner solenoid?
- jersey
- · Replies 6 ·
Electric Potential questions and work done
- jersey
- · Replies 4 ·
Energy stored in the electric field of a capacitor
- jersey
- · Replies 2 ·
Calculating Initial Speed of a Rocket Launch
- Potato21
- · Replies 9 ·
Astronaut's Apparent Weight in Different Gravitational Fields
- sona1177
- · Replies 1 ·
Finding Time in an Oscillation Problem
- sheiky989
- · Replies 1 ·
Conservation of Rotational Momentum Merry-Go-Round Problem
- Freye
- · Replies 7 ·
Finding Bearing and Distance using Calculator?
- ScieneBoy
- · Replies 11 ·
Power lost in transmission lines
- pat666
- · Replies 2 ·
Normal Force at the Bottom of a Track
- sona1177
- · Replies 2 ·
What is the Breaking Stress of Steel Ropes for Lifting Heavy Loads?
- karmatic
- · Replies 4 ·
Find tension of rope. Frictionless system.
- JohnKSmith
- · Replies 1 ·
How Fast Can a 1967 Corvette Go Using Full Power in 6 Seconds?
- scytherz
- · Replies 2 ·
How Do You Determine Temperatures at Specific Points in a PV Cycle?
- mneox
- · Replies 1 ·
Why is less force needed to pull a block at an angle compared to pushing it?
- DrummingAtom
- · Replies 2 ·
How Does Photon Energy Relate to Mass Loss in Particle Decay?
- vladimir69
- · Replies 2 ·
Conversion from Polar to Cartesian equations
- Helena54321
- · Replies 2 ·
Solving for Angle at Which a Girl Swims Across a River with Given Velocities
- kalupahana
- · Replies 7 ·
Maximum speed for a car on top of a circular hill without losing contact
- Coronita
- · Replies 16 ·
Banking angle for a 500m curve at 90 km/hr
- Coronita
- · Replies 6 ·
Hydraulic Piston Supporting a 500lb weight
- AsuraSky
- · Replies 2 ·
Three particles break off after an explosion
- hime
- · Replies 1 ·
Ball tossed 12m high and falling on moving object at 20m/s
- Secretdude
- · Replies 2 ·
How Do You Calculate the Momentum of a Proton in MeV/c?
- J.live
- · Replies 5 ·
Object falling with 1/4 of height in the last second
- Brunno
- · Replies 13 ·
What Defines the Total Momentum in the Center of Mass Frame?
- Thefox14
- · Replies 1 ·
How to find the dimensions of a particle moving in one dimension?
- kratos
- · Replies 2 ·
Romeo tossing pebbles horizontally at Juliet's window 4.5m high
- tica86
- · Replies 13 ·
Force of a roller coaster track on a car
- asdf12321asdf
- · Replies 2 ·
Find Current with Kirchhoff's Rules
- musiliu
- · Replies 1 ·
Solving Newton's 2nd Law: M1 and M2
- jaytm2291
- · Replies 1 ·
Hammer Throw Homework: Find Force Applied by Athlete
- sona1177
- · Replies 6 ·
Lightly Damped Simple Harmonic Oscillator
- DrDank
- · Replies 1 ·
Relation between centre of mass and center of gravity?
- manoj mishra
- · Replies 1 ·
Estimating the spacing between gas molecules
- tom_l
- · Replies 2 ·
I can not calculate the displacement
- maro_toni
- · Replies 6 ·
Finding net force on a ball moving in a circle at t=0
- ohheytai
- · Replies 14 ·
Application of Gauss' Laws: Large area parallel plate capacitor
- knowlewj01
- · Replies 1 ·
Uncertainty principle free particle
- semc
- · Replies 5 ·
Finding velocities for two cyclists racing 6 km with time difference
- quantum_enhan
- · Replies 5 ·
How far will a car travel in 15 min at 20 m/s?
- maro_toni
- · Replies 4 ·
Perpendicular component of momemtum?
- ohheytai
- · Replies 2 ·
Charge density - parallel plates
- pat666
- · Replies 6 ·
Problem on Conservation of energy
- scytherz
- · Replies 1 ·
Cosine and Sine rules to get magnitude and direction of a resultant force
- baylayA
- · Replies 4 ·
Question involving eigenvectors
- dingo_d
- · Replies 4 ·
Full-wave rectification circuit question
- K29
- · Replies 2 ·
Solving for Pendulum Bob's d from Length L
- auk411
- · Replies 5 ·
Baseball throw velocity using shoulder muscle mechanics
- Searchme
- · Replies 4 ·
Find the magnitude and direction of the force
- jersey
- · Replies 2 ·
How to Find Cx and Cy Given Perpendicular and Scalar Product Conditions?
- snaamlsa
- · Replies 12 ·
Find the work in pumping the water out fo the tank
- Punkyc7
- · Replies 4 ·
Finding Displacement of Blocks Connected by a Rope on an Inclined Plane
- Patdon10
- · Replies 8 ·
Simple projectile motion problem
- jayman011
- · Replies 1 ·
Solving for Ball Speed at Lowest & Highest Point of Arc
- Trekky0623
- · Replies 2 ·
Finding the angle for maximum range with a constant initial velocity
- Failshire
- · Replies 1 ·
How Fast Does an Arrow Travel When Shot Horizontally?
- runningirl
- · Replies 2 ·
Problem on Rotational mechanics / Conservation of angular momentum.
- cantgetaname
- · Replies 1 ·
Calculate the force of Earth's gravity on a spacecraft
- cabrady92
- · Replies 1 ·
Maximum asteroid radius for 20 m/s circular orbit
- pinkybear
- · Replies 9 ·
Elevator and spring scale question
- neshepard
- · Replies 9 ·