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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Time to cover a ground distance.
- acegsm
- · Replies 2 ·
Runner's motion in one dimension
- Elbobo
- · Replies 9 ·
Solve Simple Circuit: R1 = 6Ohms, R2 = 4Ohms
- glover_m
- · Replies 7 ·
How do I calculate Volts per cm (V/cm) with the following given?
- HMS-776
- · Replies 2 ·
Spring Problem: Calculate Horizontal Distance of Ball Bearing
- Amel
- · Replies 2 ·
Finding current i in a reduced circuit with 6A total and 2Ω total resistance
- glover_m
- · Replies 6 ·
Why Are the Angles Theta Equal in Inclined Planes?
- yougene
- · Replies 8 ·
2 suspended balls with charge q. find q
- Kastner86
- · Replies 1 ·
Internal Resistance of a Real Battery + Resistance of the Circuit
- ohgeecsea
- · Replies 1 ·
Finding acceleration of a particle
- Amel
- · Replies 3 ·
Finding F2 from F1 and acceleration using Newton's second law
- Amel
- · Replies 4 ·
This is how I solved this friction problem
- SELFMADE
- · Replies 3 ·
Stopping distance/time and constant deceleration
- gbedenba
- · Replies 5 ·
Constant Acceleration one dimension
- Neophyte
- · Replies 3 ·
What Determines Changes in Velocity and Acceleration?
- Amel
- · Replies 2 ·
How do I calculate the height of a tower using motion in one dimension?
- agm2010
- · Replies 3 ·
Force in cord ABC with 1.5 kg block suspended and 0.15 m sag
- mike41
- · Replies 2 ·
Sum & Angle of Three Vectors (College Physics)
- bebe087
- · Replies 5 ·
Calculating Earth's Speed Around the Sun
- 1irishman
- · Replies 3 ·
If raindrops fell with no air drag how long would it take?
- iluvpandas
- · Replies 3 ·
Projectile motion stone problem
- tigerlili
- · Replies 3 ·
Acceleration of a car followed by abrupt stop
- iluvpandas
- · Replies 3 ·
Forces between train cars accelerating at 1.1 m/s²
- katamoria
- · Replies 2 ·
Cookie Question: Ratio of Diameter to Thickness and Uncertainty
- Hi.O303
- · Replies 3 ·
Solving the Puzzle: Ball Thrown Upward
- iluvpandas
- · Replies 1 ·
Find the x, y, and z components of the vector
- Flippit
- · Replies 4 ·
Is Pushing Considered a Force?
- katamoria
- · Replies 11 ·
Physics Kinetic Energy Question
- Ion1776
- · Replies 5 ·
Solving Physics Problems: Ball Thrown at Wall
- tigerlili
- · Replies 12 ·
How to Find Root Mean Square Velocity in a Vibrating Box with Steel Balls?
- kpou
- · Replies 1 ·
Fluid mechanics density problem
- velocityay
- · Replies 1 ·
Finding direction and speed for final leg of desert drive with vectors
- sucksatphysic
- · Replies 2 ·
Understanding Initial Velocity: v0 vs. vi in Motion Equations
- r_swayze
- · Replies 2 ·
Calculating Airplane Velocity in Windy Conditions: A Vector Problem
- tigerlili
- · Replies 3 ·
Not enough information given?(Momentum Question)
- PolyFX
- · Replies 2 ·
Why Does Expanding a Charged Spherical Shell Require Work?
- harini_5
- · Replies 3 ·
How did scientists compose the equation for period?
- kashiark
- · Replies 16 ·
Quick units question on uniform circular acc
- tigerlili
- · Replies 2 ·
Projectile motion launched rocket
- PhilCam
- · Replies 2 ·
Questions about diodes, relativity, radiations
- uzair_ha91
- · Replies 1 ·
Projectile motion problem with components
- tigerlili
- · Replies 2 ·
Finding charge of insulating sphere and conductor
- phanman
- · Replies 1 ·
Finding the center of a circular path from velocity and acceleration data
- Gattz
- · Replies 1 ·
Finding when speed equals 10 m/s for particle with velocity v=(5.9t-4.1t²)i+8.7j
- tjbateh
- · Replies 6 ·
Find Initial Velocity given angle, distance, height launched from.
- mhsphysics10
- · Replies 1 ·
Calculate the velocity of the transverse wave at any position
- harini_5
- · Replies 3 ·
Calculate Tension in String for 1.49 kg Mass with 3.1 m/s2 Acceleration
- Amel
- · Replies 7 ·
Calculating Instantaneous Velocity Using Particle Coordinates
- Amel
- · Replies 2 ·
How Does a Charged Disk Influence a Point Charge?
- iceman_ch
- · Replies 5 ·
Ball launched upward and braking distance problems
- Raheelp
- · Replies 7 ·
Physics 100A Problem about firing a bullet
- calculushelp
- · Replies 3 ·
Evaluating Moment of Area Integral using Geometry
- briteliner
- · Replies 6 ·
Auto Accident Survival: Airbags & Acceleration Trauma
- kero
- · Replies 3 ·
Solve Dr. Evil Problem: Austin Powers & Jetpack
- kero
- · Replies 1 ·
How Does Gravity Affect Centrifuge Operations on Mercury?
- azila
- · Replies 6 ·
Find the period of oscillation of a bead on a cycloid string
- jimz
- · Replies 5 ·
Momentum and springs - A2 Physics
- Vanagib
- · Replies 4 ·
Four particles form a square with different charges
- jr662
- · Replies 5 ·
Bullet fired 260 m/s at target 102 m away
- iissungmin
- · Replies 3 ·
Estimating Earth's Atmospheric Electrical Energy Potential: A Calculation Guide
- fball558
- · Replies 1 ·
Fluid Flow Calculation for Gravity-Driven System: Velocity and Pipe Diameter
- birddog
- · Replies 2 ·
Beat frequency between incident and reflected laser light
- Hells_Kitchen
- · Replies 1 ·
Car taking a curve, with friction
- Furby
- · Replies 1 ·
Why Is My Calculation of the Scalar Product Incorrect?
- elpermic
- · Replies 2 ·
Calculating Mass of Liquid in Vat
- benedict9999
- · Replies 2 ·
Some pressure concepts i don't understand
- benedict9999
- · Replies 1 ·
Collision Problem: Find w in Terms of u
- Skuzzy
- · Replies 2 ·
How Do You Calculate the Speed of a Boat Relative to Water?
- Elbobo
- · Replies 1 ·
External force work on a particle
- exitwound
- · Replies 8 ·
A sphere has a radius of 5 m. How many 5cm diameter spheres can it contain?
- Power of One
- · Replies 1 ·
Finding velocity and position when x-coordinate is maximum
- tjbateh
- · Replies 19 ·
Why is the difference in electric potential negative?
- PeterPumpkin
- · Replies 2 ·
Motion in 1D direction, kinematics
- darklich21
- · Replies 8 ·
Calculating Work from a Force-Time Graph
- aham925925
- · Replies 8 ·
Finding initial velocity from horizontal projectile range of 3.79 m
- exparrot
- · Replies 8 ·
PHYSICS: Poschel-Teller Potential and Natural Frequency Derivation
- Void123
- · Replies 3 ·
Kinematics Newton's Laws Question
- davidkis
- · Replies 3 ·
Finding the Initial Speed of a Falling Object Using Kinematic Equations
- sucksatphysic
- · Replies 3 ·
Projectile Motion: Calculating Landing Position and Velocity Components
- closertolost
- · Replies 11 ·
How Does the Second Fragment's Velocity Change After a 2D Explosion?
- satasonic
- · Replies 1 ·
Basketball thrown horizontally from 2.45 m with final speed 12.0 m/s
- xxpbdudexx
- · Replies 17 ·
Bond angle in methane? Have been doing for 1 hr
- elpermic
- · Replies 8 ·
Force on 1 point charge in a 4 point charge system
- Josh930
- · Replies 1 ·
Is the Projectile Calculation of 120m for a Volcanic Bomb Correct?
- r_swayze
- · Replies 3 ·
Measuring Capacitance given a voltmeter + ammeter
- mikel2009
- · Replies 4 ·
Vector Cross Product and Magnitude Calculation
- elpermic
- · Replies 6 ·
Finding Magnitude and Direction of Three Dimensional Vectors
- ƒ(x)
- · Replies 7 ·
Why Use Significant Figures in Calculations?
- temaire
- · Replies 1 ·
How is the displacement and angle of a truck's journey calculated?
- bebe087
- · Replies 3 ·
Finding flight time for cannon ball shot at 46.1 m/s and 44.1 degrees
- bebe087
- · Replies 2 ·
Calculating Charge and Acceleration of Two Charged Spheres
- Josh930
- · Replies 6 ·
Help with lab - final velocity of total distance
- texan717
- · Replies 1 ·
Solving a Falling Pen Problem: Find the Roof Height
- james007
- · Replies 5 ·
Finding Position with a Quadratic Velocity
- glockstock
- · Replies 1 ·
Principles of projectile motion and kinematics homework
- tjbateh
- · Replies 1 ·
What is the correct starting point for calculating projectile range in a lab?
- exparrot
- · Replies 1 ·
Physics Problems, could you tell me if I did them right?
- Ion1776
- · Replies 8 ·
Comet Orbit Astrophyiscs question
- dgoudie
- · Replies 1 ·
Accelaration and Free-fall problems
- Raheelp
- · Replies 1 ·