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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Binary Stars energy loss calculation
- Pseudopro
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And then you can use V=IR to solve for resistance.
- Liquidxlax
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Solve for the tension in T1 and T2
- lilgen
- · Replies 4 ·
Charging a partially charged capacitor
- cupid.callin
- · Replies 12 ·
Sled sliding down a hill with constant acceleration
- Exuro89
- · Replies 2 ·
Deriving a formula for max. speed of a simple pendulum bob
- gmmstr827
- · Replies 2 ·
What does change in energy content of the gas mean?
- jason177
- · Replies 5 ·
How Fast Does a Wave Travel in a Steel Wire?
- gmmstr827
- · Replies 3 ·
Water pressure in underground horizontal pipe 35m below ground
- Nuke787
- · Replies 18 ·
Calculating Fractional Increase in Tension for Beat Frequency Problem
- UnPhysStudent
- · Replies 5 ·
How Is Electric Flux Calculated Through a Non-Uniform Field in a Cube?
- Bryon
- · Replies 3 ·
Vertical Spring With Weight Reaching Equilibrium
- gmmstr827
- · Replies 2 ·
Energy in an Oscillating Spring
- gmmstr827
- · Replies 3 ·
What Determines the Frequency of a Wave Packet?
- chinu92
- · Replies 1 ·
How to Calculate Charge Content of a Sphere with Spherical Symmetry?
- Hannisch
- · Replies 2 ·
Capacitor discharging into another capacitor with RC timing
- cupid.callin
- · Replies 2 ·
How Do You Calculate Amplitude and Period in Simple Harmonic Motion?
- superaznnerd
- · Replies 3 ·
Two-point source interference pattern
- 12physics
- · Replies 2 ·
Power delivered by Battery to Capacitor in Time Constants
- cupid.callin
- · Replies 10 ·
Centripetal acceleration at the ends of a rotating rod?
- graphsome
- · Replies 6 ·
Find exit speed at the bottom of the ramp using kinematics only
- spartan55
- · Replies 2 ·
By how much does the thermal energy of the gas change?
- mssca
- · Replies 4 ·
What Is the Minimal Velocity for an Arrow to Pass Through a Rotating Wheel?
- Dansuer
- · Replies 3 ·
What is the Pressure Change in an Aortic Aneurysm?
- trace
- · Replies 1 ·
Finding Electric Field of Charged Ring w/ 2 Lines Intersecting
- roman15
- · Replies 1 ·
Simple Electric Potential/Field problem
- Defennder
- · Replies 2 ·
Heat Transfer: Finding T2 for a Cooled Stainless Steel Pipe
- FChebli
- · Replies 5 ·
Calculating Entropy Change of Isothermal Gas Compression | Homework Solution
- henryc09
- · Replies 6 ·
What are the components of force in 3D for a pulled atom?
- Gogsey
- · Replies 2 ·
Power in three 100W lamps with switches 4 and 5
- Capt.Obvious
- · Replies 4 ·
What is the solution to a simple RLC circuit problem?
- degs2k4
- · Replies 12 ·
electron deflected between parallel plates in electric field
- rbraunberger
- · Replies 7 ·
What is my textbook trying to say?
- flyingpig
- · Replies 45 ·
Finding where electric field is zero with opposite charges
- flyingpig
- · Replies 72 ·
Why is energy conserved in an elastic collision? I proved it is not?
- flyingpig
- · Replies 12 ·
Sound intensity level at different distances from a point source
- Student3.41
- · Replies 19 ·
Find the Magnitude of b Given c and a Vector in the Positive y-Axis
- emmy
- · Replies 3 ·
Calculating Charge of 3 Identical Point Charges
- pringless
- · Replies 4 ·
Line Charge+ insulating Cylindrical Shell
- hime
- · Replies 7 ·
Will white light in Young's double slit experiment produce colored fringes?
- songoku
- · Replies 5 ·
What is the formula for finding the speed of ions in a heated plasma?
- Drakkith
- · Replies 5 ·
How far up the hill will it coast before starting to roll back down?
- spartan55
- · Replies 3 ·
Sound power intercepted by microphone from point source
- Student3.41
- · Replies 8 ·
Can Kinematic Equations Predict the Collision Time of a Dragster and a Car?
- Exuro89
- · Replies 8 ·
Does Damping Affect the Period of SHM?
- ariarch
- · Replies 1 ·
Solving Electric Field Equations: A Case Study
- SteelDirigibl
- · Replies 1 ·
Doppler Effect- small question on formula setup.
- Muntaballs
- · Replies 1 ·
Solving Force vs Time Graphs: Velocity Example #37
- kk727
- · Replies 2 ·
Work and energy transfer when kicking a football
- Peter G.
- · Replies 6 ·
How Do You Calculate Dynamics of a Mass Spring System?
- deliliah
- · Replies 3 ·
Building a roller coaster in school
- Sean1218
- · Replies 1 ·
Find Time in Air for Ball Launched Upward with 18 m/s
- iac0b
- · Replies 2 ·
Simple harmonic motion of a pendulum: find angle and velocity at 1.6 s
- FChebli
- · Replies 2 ·
Lowest Resonant Frequency Issues
- Hypnos_16
- · Replies 2 ·
Physics Questions: Electric Field Magnitude/Direction/Units
- aaronmilk3
- · Replies 1 ·
Energy delivered to eardrum from sound wave at given intensity
- stuti911
- · Replies 8 ·
Energy from electrons and circuits: eV, ionization, and torch battery
- kitkat794
- · Replies 3 ·
Solar neutrino problem: predicted vs observed flux
- Astro.padma
- · Replies 1 ·
Finding velocity and acceleration components on parabola y² = 4x
- FailPhysics
- · Replies 1 ·
Water poured into tank with hole at bottom: why does level stop at v²/(2g)?
- vissh
- · Replies 12 ·
How Do You Calculate the Orbit Height of a Spacecraft Around a Planet?
- Pseudopro
- · Replies 6 ·
Proper time and time dilation in an airplane flight
- RagincajunLA
- · Replies 1 ·
Field and force with three charges
- Squall
- · Replies 4 ·
Collision accident/involves momemntum
- Acestein
- · Replies 5 ·
How Do Gravity and Spring Forces Relate in Vertical Spring Energy Calculations?
- gundamn
- · Replies 3 ·
Tennis ball hit at 3° clears net at trajectory apex: find initial speed?
- m_scott
- · Replies 13 ·
Rise of Water in a 20 cm Capillary Tube
- vissh
- · Replies 5 ·
CO2 gas in a temp-controlled, pressure-controlled container
- mcnivvitz
- · Replies 3 ·
Time to melt 0.25 kg ice with constant electric heater
- -Dragoon-
- · Replies 2 ·
Conceptual? question of direction/magnetic force of current in x-y plane
- rfig08d
- · Replies 1 ·
Dot products and angle between cables
- musicmar
- · Replies 2 ·
Why is the Ground Force (K) Located at the Edge of the Cylinder?
- Tusike
- · Replies 3 ·
Beginning Low-Pass Filter Questions
- baltimorebest
- · Replies 15 ·
Electron and proton accelerated through potential difference: KE, total energy, velocity
- reality99
- · Replies 1 ·
Thermal Expansion of lead rod question
- Intrusionv2
- · Replies 4 ·
Solving for Index of Refraction Using x, d, and θ
- CINA
- · Replies 7 ·
Questions About Ruthenium 106 and Brachytherapy
- mandy9008
- · Replies 1 ·
Current in multi-battery circuits
- dancergirlie
- · Replies 10 ·
How Do You Calculate the Electric Field of a Dipole at a Specific Point?
- Squall
- · Replies 1 ·
How Does a Day on the Moon Compare to Earth?
- blink_1992
- · Replies 3 ·
What height was it thrown from.
- theshanthan
- · Replies 1 ·
What Average Acceleration Must a Plane Achieve for Safe Takeoff?
- VICIOUSinc
- · Replies 1 ·
When will Mike hit the water when jumping off a diving board on the moon?
- gldnsrfbord
- · Replies 6 ·
Which position-versus-time curve shows negative acceleration
- iac0b
- · Replies 4 ·
Simplifying trigonometric expressions with addition and double angle formulas
- Endorser
- · Replies 1 ·
Find C in general sine function
- Endorser
- · Replies 4 ·
Explain how readings on these gravity instruments indicate deposits of minerals?
- pokeefer
- · Replies 1 ·
How Is Work Related to Changes in Kinetic Energy in a Rocket Car's Deceleration?
- mousemouse123
- · Replies 4 ·
Internal Resistance of a Battery problem
- dancergirlie
- · Replies 6 ·
Finding average speed for round trip with different speeds
- frizzler43
- · Replies 4 ·
How Do You Calculate the Return Path in Vector Addition?
- Resmo112
- · Replies 12 ·
Could somebody define Cell current?
- Phys.ics
- · Replies 3 ·
Specific volume and density problem
- Xyius
- · Replies 2 ·
What Tension is Needed to Maintain Wavelength When Frequency Doubles?
- name_ask17
- · Replies 3 ·
Basketball player shooting ball, finding velocity for a no backboard shot
- BlazdNConfusd
- · Replies 2 ·
Energy equivalence between linear and rotational motion
- Waxbear
- · Replies 7 ·
Finding the average force on a box in a collision
- alexdude777
- · Replies 9 ·
Understanding Angular Size Calculation: Europa and Jupiter
- blink_1992
- · Replies 3 ·
Relating molecular speed distribution to rotational speed
- Clairepie
- · Replies 3 ·