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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How to Calculate Projectile Direction and Timing to Hit a Moving Target?
- E-Lo
- · Replies 7 ·
Find Distance of Electric Charge 3 from q1: 13.9 cm
- tony873004
- · Replies 3 ·
Why does a positive charge attract a neutral conductor?
- dzza
- · Replies 3 ·
How Do You Calculate Rocket Momentum Changes in Physics Problems?
- Peter5897
- · Replies 5 ·
How Does Projectile Motion Determine Maximum Height and Time to Peak?
- Musicman
- · Replies 7 ·
Calculating Pressure Difference for Indoor Plumbing
- Idea04
- · Replies 7 ·
Solving a Rookie QB's Trajectory Problem
- Musicman
- · Replies 1 ·
AP Physics C Projectile Question
- Musicman
- · Replies 11 ·
Calculating Acceleration and Distance: Entering the Freeway
- Musicman
- · Replies 7 ·
Motorcycle Acceleration: Find Position, Velocity & Max Velocity
- Musicman
- · Replies 16 ·
Solving AC Generator Problem: Find Voltage Output
- fiyavan
- · Replies 3 ·
Exam Questions on Physics: A Grade 11 Student's Request for Answers | 1-6
- Byrgg
- · Replies 47 ·
Does a telescope magnify distant objects?
- Amith2006
- · Replies 2 ·
Determining Velocity of a Police Car Using the Doppler Effect
- aechols1
- · Replies 9 ·
Image confusion(electrostatics)
- Kolahal Bhattacharya
- · Replies 1 ·
Gravitation and Circular motion.
- gunblaze
- · Replies 3 ·
Latent heat problem with nuclear plant heat exchanger
- Byrgg
- · Replies 7 ·
Orbital motions about the earth.
- al_201314
- · Replies 8 ·
Series of Wave Equation problem
- c4iscool
- · Replies 1 ·
Calculating Speed of Simple Harmonic Motion with Initial Displacement
- aechols1
- · Replies 1 ·
Work done by multiple forces pushing a 2.8 kg block up a wall
- heatherh1545
- · Replies 2 ·
Work Done by Force: A Physics Problem Solution
- heatherh1545
- · Replies 1 ·
How Accurate Is the Formula for Calculating Arrow Velocity from a Bow?
- npu
- · Replies 14 ·
Adiabatic, isothermal, or isovolumetric
- c4iscool
- · Replies 5 ·
Solving a Carnot Engine Problem: What Unit Do I Use?
- sophzilla
- · Replies 3 ·
Net 48N Force Stretches .5m Spring to .78m
- c4iscool
- · Replies 7 ·
Work and electric potential with van de Graaff generator
- Byrgg
- · Replies 19 ·
Parallel electric plate question
- silvercyanide88
- · Replies 5 ·
Calculating Force on a Pivoting Object for a Fold Away Bed
- Greencow_555
- · Replies 2 ·
Why is it hard to drive a vertical circle ride at constant speed?
- gunblaze
- · Replies 3 ·
Why Analyze Negative Beat Frequencies if They Don't Exist?
- Byrgg
- · Replies 3 ·
MeV to Joules Units : How? 'In Electricity'
- Spirit
- · Replies 2 ·
How Does Thermodynamic Path Influence Work and Heat Flow?
- cukitas2001
- · Replies 12 ·
Where should the bulb go in a parabolic headlight reflector?
- runicle
- · Replies 1 ·
Ideal Gas Cycle: N2 Undergoing abcd w/ Varying Pressures
- Luis2101
- · Replies 1 ·
Electric field between one charged plate and a ground plane
- teilchen
- · Replies 6 ·
Speed of waves from first source in original medium?
- physicsgal
- · Replies 2 ·
How can I calculate the potential difference across two capacitors in series?
- jgonzon
- · Replies 9 ·
Solving Baseball's Speed - Find Initial Velocity & Time to Peak
- WolfStar
- · Replies 1 ·
Solve Distance for Box A Sliding Down Ramp
- VinnyCee
- · Replies 3 ·
Light Truck Skidding Distance at Different Speeds
- VinnyCee
- · Replies 6 ·
What is the marble's speed at the top?
- kw_cecilia
- · Replies 5 ·
Fusion vs Fission: Learn the Difference
- pavadrin
- · Replies 3 ·
What Did You Think of the A2 Physics Practical Exam and Coursework?
- Tyris
- · Replies 2 ·
Monkey and sled - conservation of energy problem
- physicsstudent06
- · Replies 43 ·
Impact force calculator ignoring gravity during collision
- westerndragon76
- · Replies 3 ·
How Is the Area of a Floating Slab Calculated Using Buoyancy Principles?
- walker
- · Replies 1 ·
Compass orientation near a current-carrying coil
- Byrne
- · Replies 1 ·
Calculate Displacement Vector from Camp to Summit - 2079m
- vihits13
- · Replies 1 ·
Finding resultant of three vectors from figure with angles 68.0° and 54.0°
- vihits13
- · Replies 1 ·
Finding oxygen mass in leaking tank and RMS speed problems
- cukitas2001
- · Replies 7 ·
Find the angle between the velocity and the total acceleration
- spiffing_abhijit
- · Replies 2 ·
What is the relationship between magnetic flux and EMF?
- al_201314
- · Replies 6 ·
Find the currents in the circuit branches
- endeavor
- · Replies 2 ·
Momentum and Energy of a car of mass
- MD2000
- · Replies 17 ·
Solving Thermodynamics Problems: Compute C_v and Heat Capacity
- cukitas2001
- · Replies 1 ·
Particle-field(wave) duality
- Kolahal Bhattacharya
- · Replies 1 ·
Carnot cycle, ideal gas relations, and ice melting entropy
- Bradracer18
- · Replies 1 ·
What is the formula for calculating time and velocity with acceleration?
- Genowyn
- · Replies 7 ·
Solve Solenoid Resistance/Magnetic Field/Length
- Chocobo7
- · Replies 1 ·
Does orientation affect how I calculate stress in a non-vertical structural member?
- illwerral
- · Replies 9 ·
Why does electromagnet force on an iron core increase steeply with current?
- Iceman123
- · Replies 13 ·
Two questions on electrostatics
- r4nd0m
- · Replies 3 ·
How Long After Melting Does Ice Reach Above 0 Celsius When Heated?
- Luis2101
- · Replies 2 ·
Thanks again!-Luis Constructive and Destructive Interference at Point Q
- Luis2101
- · Replies 4 ·
Reversing the polarity of capacitor?
- al_201314
- · Replies 8 ·
How Does Mechanical Energy Convert to Heat in Lead Shot Experiments?
- Geoff
- · Replies 7 ·
Why is Wavenumber (1/cm) Considered a Unit of Frequency?
- asdf1
- · Replies 2 ·
Kinetics in Nromal and Tangential coordinates - SPINING ROD W/ SPOOL
- VinnyCee
- · Replies 3 ·
How do you calculate friction coefficients?
- JCCol
- · Replies 2 ·
Why Does the Wizard Slip at 7.35 Seconds on a Rotating Platform?
- VinnyCee
- · Replies 1 ·
Circuit diagram symbol for an electromagnet
- Iceman123
- · Replies 2 ·
Average thermodynamic efficiency
- Iraides Belandria
- · Replies 13 ·
Calculating Water Velocity with Static Pressure
- Idea04
- · Replies 2 ·
Factoring and Ellipses: How to Solve for Width?
- runicle
- · Replies 2 ·
Tension in a Pendulum Problem - 30kg, 4m cord, 4m/s @ bottom
- VinnyCee
- · Replies 11 ·
Adiabatic process for water
- JD9
- · Replies 1 ·
Absorption of radiation at vibration frequency
- asdf1
- · Replies 3 ·
Magnifying Power: Does the Tree Look 10x Nearer?
- Amith2006
- · Replies 1 ·
Using parallax to measure distance to a pole from a baseline
- rossverg
- · Replies 10 ·
Telescope Magnification: Calculating Linear Magnification and Magnifying Power
- Amith2006
- · Replies 5 ·
Calorimetry Lab: Calculating Specific Heat Capacity
- cukitas2001
- · Replies 4 ·
How Do You Calculate the Coefficient of Expansion for Glass Using Mercury?
- cukitas2001
- · Replies 2 ·
Destruction of e-p pair:energy?
- Kolahal Bhattacharya
- · Replies 2 ·
How Is Current Distributed in a Mixed Wattage Light Bulb Circuit?
- endeavor
- · Replies 10 ·
Field inside a cavity inside a conductor
- Kolahal Bhattacharya
- · Replies 3 ·
Determination of charge/mass value in E field.
- al_201314
- · Replies 1 ·
Dynamics and displacement problem
- aiglosicicle
- · Replies 1 ·
Dynamic Pressure: Is 9,81 kPa Lost per Vertical Meter?
- TSN79
- · Replies 1 ·
How Is the Pivot Distance Calculated in a Physical Pendulum?
- sophzilla
- · Replies 1 ·
Charged particle in magetic field problem
- fiyavan
- · Replies 4 ·
How Can Radiation Be Used to Determine the Temperature of an Object?
- al_201314
- · Replies 1 ·
How Does Increasing Mass Affect SHM Amplitude and Frequency?
- al_201314
- · Replies 4 ·
Velocity->Force, concept problem
- seaglespn
- · Replies 7 ·
Liquid Problem with Bernoulli's Equation
- sophzilla
- · Replies 2 ·
AZING GAS LAWS: Internal Energy Change in Adiabatic Processes
- Bradracer18
- · Replies 2 ·
What is the force exerted by water in a container?
- DarkWarrior
- · Replies 3 ·
Max Height of 6 kg Object with Air Resistance
- JayDub
- · Replies 5 ·
Liquids involving continuity equation
- sophzilla
- · Replies 5 ·
Re: Axis Transformation, time -> distance
- miloko
- · Replies 1 ·