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 High Does a Rocket Go with Initial Acceleration of 250 m/s²?
- l888l888l888
- · Replies 6 ·
Two loudspeakers: intensity ratio and interference frequencies
- Malavin
- · Replies 1 ·
Understanding vectors, direction, and magnitude
- ducks10
- · Replies 2 ·
What is the work function of the metal hit by photons with wavelength of 450 nm?
- fluidistic
- · Replies 7 ·
What do UAK and IAK represent in a thyristor circuit diagram?
- Femme_physics
- · Replies 9 ·
Axis Rotation and Vector magnitude problem not sure if answers are right
- BreakPoint
- · Replies 3 ·
Constant acceleration of rocket car
- andyman21
- · Replies 1 ·
Acceleration of a plane and the g-force
- strayaway
- · Replies 1 ·
Finding acceleration using velocity
- Crusaderking1
- · Replies 2 ·
Time, force, distance, acceleration
- furor celtica
- · Replies 3 ·
One mole of Lead contains how many atoms
- intrepidelder
- · Replies 4 ·
Electric Field and Potential of Center of Square
- remadrid
- · Replies 2 ·
Finding equilibrium position of charged bead on rod with Coulomb's law
- thomq
- · Replies 3 ·
Scattering of a gaussian wave packet at a potential
- KaiserBrandon
- · Replies 1 ·
Force Exerted by Road on an Accelerating Car
- yoshi824
- · Replies 1 ·
Are my graphs and answers correct for position, velocity, and acceleration?
- Miike012
- · Replies 1 ·
Uniform acceleration kinematics lab
- Trevormbarker
- · Replies 6 ·
Electric Field of a finite line of charge
- johnnyies
- · Replies 1 ·
What Unit Should Be Used in Division of Meter Squared by Meters?
- vaironl
- · Replies 3 ·
How much energy is dissipated as heat via friction?
- dangish
- · Replies 5 ·
Finding Time If you know Accel, Vi and distance
- student54321
- · Replies 1 ·
Ball suspended from two strings of unequal length
- dlilpyro
- · Replies 1 ·
Derived constant acceleration equations
- colin_delecia
- · Replies 1 ·
Solve Elevator Motion/Time: 230m, 5.8m/s, 1.0m/s2
- Cman1494
- · Replies 1 ·
Power to generate waves on a string with 73 N tension
- gleeson.tim
- · Replies 3 ·
What is the solution to this circuit problem involving Kirchoff's Laws?
- dougyunker
- · Replies 1 ·
What is the impedance of a tank circuit at resonance?
- drumercalzone
- · Replies 1 ·
Deriving a formula for calculating dB based on distance
- wtfbuck
- · Replies 2 ·
Astronomy - binary magnitude conceptual question
- accountkiller
- · Replies 2 ·
Physics II forgotten equation (oscillations)
- PCSL
- · Replies 7 ·
How Much Work Is Needed to Move a Charge to the Origin from 1.25m?
- pyroknife
- · Replies 6 ·
Pushing objects at constant velocity
- derivative_e
- · Replies 21 ·
Calculating Speed of Sound in Water Given Torpedo Impact Data
- skybird
- · Replies 1 ·
How Do Acceleration and Speed Affect Race Outcome in Sprinting?
- Latios1314
- · Replies 5 ·
Tension in cable ACB with rolling pulley and load P
- ride4life
- · Replies 5 ·
Wave Interference with 2 speakers
- exzacklyright
- · Replies 2 ·
Airplane takeoff distance with 50000kg mass and 1.2m/s² acceleration
- emaviator
- · Replies 8 ·
How long will it take to mow a football field?
- BuhRock
- · Replies 4 ·
Solving Vector Problem: What Went Wrong?
- Miike012
- · Replies 3 ·
How Do You Calculate the Magnitude of a Vector in the Form Constant * (i + j)?
- adhiluhur
- · Replies 11 ·
Problem finding height of a cliff
- jfeyen
- · Replies 4 ·
Relative Motion and Two-Dimensional Motion
- shortman12012
- · Replies 5 ·
How Do You Calculate the Tension in a Rope?
- athrun200
- · Replies 3 ·
Finding the Torque of Normal Force for a Sliding Block on an Inclined Plane
- vkash
- · Replies 7 ·
What Force Stops a 10kg Block from Sliding on a 45-Degree Frictionless Ramp?
- danpiz23
- · Replies 3 ·
Football kicked 36 m at 53° clearing a 3.05 m crossbar
- DJ-Smiles
- · Replies 2 ·
Vertical distance between two stones dropped one after the other
- wolfmanzak
- · Replies 3 ·
Concept of the Electric Field(picture included)
- zha28
- · Replies 6 ·
SHM Pendulum length/gravity question
- jojo45
- · Replies 2 ·
Firing Cannon to Start Avalanche: Angle Calculation
- deezy
- · Replies 3 ·
What is the Fundamental Frequency in Question 6?
- McKeavey
- · Replies 1 ·
Calculating Maximum Acceleration and Speed for a 200kg Load with a 5kW Winch
- furor celtica
- · Replies 5 ·
Find the node voltages of the circuit
- VitaX
- · Replies 4 ·
Calculating the Angle for a Basketball Free Throw: A 2D Motion Problem
- johnnyscans
- · Replies 1 ·
How Long Will It Take the Car to Catch the Truck?
- colin_delecia
- · Replies 2 ·
Amplitude of vibration Effecting Frequency.
- nivekov123
- · Replies 1 ·
Calculating Average Acceleration of a Tennis Ball During Contact with the Floor
- barobinson630
- · Replies 4 ·
Projectile Motion initial speed
- jsr219
- · Replies 2 ·
How Do You Find the Closest Point to a Vector on a Line?
- vectorspaces
- · Replies 8 ·
Average speed and distance for multi-segment car trip
- CladeT
- · Replies 5 ·
How to calculate energy stored in a parallel-plate capacitor?
- ajmCane22
- · Replies 3 ·
Basic Velocity -> Speed -> Position of particle
- oddjobmj
- · Replies 2 ·
Thrust of a Rocket: Calculating Force
- Darkmirror
- · Replies 2 ·
Solving for Acceleration in an Incline Plane Problem: m1=4.50kg, m2=2.80kg
- maff is tuff
- · Replies 2 ·
Electric Field lines running high to low voltage
- multiix
- · Replies 2 ·
Electric potential of a line of charge
- channel1
- · Replies 3 ·
Infinitely long prism is sliced
- vectorspaces
- · Replies 2 ·
How do you draw v-t, a-t and d-t graphs
- NeomiXD
- · Replies 2 ·
Vector Addition Using Unit Vector Notation
- VKK
- · Replies 1 ·
Single Slit Diffraction find central maximum
- Peter G.
- · Replies 1 ·
Conservation of momentum of cannon balls
- overside
- · Replies 7 ·
Physics projectile problem - finding vertical range using the horizontal range
- gchuchro
- · Replies 1 ·
What is the significance of using a number like 2x10-10 in Intro Physics?
- lab-rat
- · Replies 7 ·
Physics Uncertainity + resistor calculations
- neshepard
- · Replies 3 ·
Why Does Doubling Occur in My Illuminance Calculation?
- a b
- · Replies 1 ·
Finding the force required to stop an object
- Nat3
- · Replies 2 ·
(Statics)Hammer and nail force and tension
- Hoppingmad
- · Replies 1 ·
Particle moving with radial velocity
- aigerimzh
- · Replies 4 ·
Calculating Energy and Height in a Vertical Spring System
- jiboom
- · Replies 1 ·
Exercise on Kinetics using derivatives.
- timpap
- · Replies 2 ·
Constant Acceleration Problem - Two bodies with different accelerations
- Nickg140143
- · Replies 4 ·
Hanging pith ball problem with unequal masses and charges
- furth721
- · Replies 3 ·
How to calculate the voltage on a resistor at a power cable
- ronaldinho52
- · Replies 4 ·
Solving Wedge-like Problem with Physics
- EugeneZ
- · Replies 3 ·
Finding tension in cords with given resultant force
- jasonbans
- · Replies 5 ·
How Does Current Flow in a Circuit with Bulbs in Series and Parallel?
- Inertigratus
- · Replies 11 ·
Pulley question / rotational kinematics
- alco19357
- · Replies 8 ·
How to approach a problem involving pressure and volume?
- TyErd
- · Replies 18 ·
Introductory physics force problems
- inkandgold
- · Replies 11 ·
Heights of two balls thrown at the same time
- Quantum Mind
- · Replies 8 ·
Finding displacement+distance from a v-t graph
- 5.98e24
- · Replies 4 ·
Physics test-Projectile Motion shotputter
- DJ-Smiles
- · Replies 8 ·
Finding the horizontal range of a projectile when maximum height is not known
- Quantum Mind
- · Replies 2 ·
Understanding Forces in a Train System
- AakashPandita
- · Replies 42 ·
Ball on a String: Tension and Speed Formulas for Circular Motion
- vl108
- · Replies 2 ·
How can A be expressed in terms of n as a unit vector?
- aigerimzh
- · Replies 6 ·
Vector perpendicular to two vectors
- aigerimzh
- · Replies 3 ·
Current after passing all resistors
- Hypercubes
- · Replies 8 ·
Solving the Physics Problem: Density of Hot Air
- chessmath
- · Replies 1 ·
Determining the function using graphs
- McKeavey
- · Replies 8 ·