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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Finding AC frequency from current equation I = 0.669 sin(491t)
- arod2812
- · Replies 1 ·
Finding the direction of a vector in radians from the positive x-axis
- cbs81
- · Replies 4 ·
To an order of magnitude, through how many revolutions will it turn?
- chocolatelover
- · Replies 5 ·
Rotational Motion Problem (a bike)
- Carpe Mori
- · Replies 4 ·
How Do You Calculate the Angle \(\gamma_{xy}'\) in a Modified Rectangle?
- Saladsamurai
- · Replies 2 ·
Basic kinematics of a balloon rising
- frasifrasi
- · Replies 19 ·
Man jumping between buildings 3.7 m apart at 14 degrees
- ArcadianGenesis
- · Replies 5 ·
Solving for Normal Force and Tension in a Tensioned Rope System
- jen333
- · Replies 4 ·
SI units of the gravitational constant G
- chocolatelover
- · Replies 11 ·
Constant acceleration and Free-Fall
- ff4930
- · Replies 11 ·
Is it possible to factor on a Ti-83 Calcultor?
- MoreZitiPlease
- · Replies 15 ·
Same string, different mass per unit length, whats the wavelength?
- bobbo7410
- · Replies 7 ·
What is the Ferry's Velocity Relative to the Water?
- Linas
- · Replies 2 ·
Hitting a Baseball: Solving Physics Problem
- AnkhUNC
- · Replies 1 ·
How Does an Electric Field Affect Electron Motion?
- desibabu90
- · Replies 2 ·
Why Use a Larger Resistor with a Potentiometer in a Circuit?
- Mati07
- · Replies 1 ·
Jet pulling out of 1200 km/hr dive with 4G acceleration limit
- yaho8888
- · Replies 4 ·
Frequency involving moving observer and source
- n77ler
- · Replies 2 ·
What is the Range of Mass m2 to Keep the System Stationary on a Bended Plane?
- Ivanperez
- · Replies 1 ·
What is the Method for Expressing Distances to Multiple Charges on the z-axis?
- tony873004
- · Replies 9 ·
How Do You Calculate Percentage Uncertainty for Average Speed?
- _Mayday_
- · Replies 4 ·
Calculating Resultant Force from Two Forces at a Point
- treverd
- · Replies 2 ·
Vector component displacements problem
- mmg0789
- · Replies 6 ·
Calculating Earth's Total Electric Current from Cosmic Ray Protons
- Saladsamurai
- · Replies 11 ·
Energy Conservations and Transformations with Two Objects
- alexphysics
- · Replies 3 ·
Question regarding electroscopes
- evelynn
- · Replies 4 ·
Charges are Great Need more assistance
- Saladsamurai
- · Replies 11 ·
Force's and Newton's Laws of Motion
- ian_durrant
- · Replies 8 ·
How do we know a force is acting?
- ultimasayan
- · Replies 3 ·
Minimum stopping distance for box on truck with friction
- NAkid
- · Replies 5 ·
How Is Capacitance Calculated for an Axon Treated as a Parallel Plate Capacitor?
- sheri1987
- · Replies 1 ·
Velocity of Electron in an electric field
- evanist00
- · Replies 9 ·
Finding cable elongation with law of cosines
- Saladsamurai
- · Replies 6 ·
How Do I Find the Tension in a Cable at Different Angles?
- Saladsamurai
- · Replies 14 ·
How mirror size affects image distortion and perception
- cbrons
- · Replies 1 ·
Torque, angular velocity, and potential energy of a rotating rod with attached mass
- grouchy
- · Replies 2 ·
Moment of Inertia: Solid vs Hollow Disk on Incline
- Invictus1017
- · Replies 3 ·
What Causes Errors in Newton's Second Law Experiments?
- fact file
- · Replies 1 ·
Electric fields true or false question
- simsima_1
- · Replies 1 ·
Calculating Average Velocity for a Car with Changing Acceleration and Direction
- jelly1500
- · Replies 4 ·
Water insect darting upstream and drifting downstream in a stream
- asloudascanbe
- · Replies 6 ·
Deriving Bernoulli's Equation for Steady Flow in a Faucet
- bray d
- · Replies 2 ·
Calculating Forces in a Stepladder with a Hinge
- vu10758
- · Replies 9 ·
.22 rifle bullet stopping time and force in wood
- rsala
- · Replies 2 ·
Minimum mass of gas to lift a balloon of mass M
- bray d
- · Replies 1 ·
What is the force of water at the Mariana Trench and the weight of a jetliner?
- PhysicsHelp08
- · Replies 1 ·
How Can a Man Move Cars Weighing 700 kN Using Only His Teeth?
- HappyDays
- · Replies 1 ·
Motion of a Food Pack on a Rope
- Whatazarian
- · Replies 4 ·
Calculating Angular Velocity of a Rolling Sphere on an Inclined Plane
- alex7298
- · Replies 2 ·
Baseball projectile motion question
- jj8890
- · Replies 4 ·
Why do my acceleration vs time and force vs time graphs look similar?
- fact file
- · Replies 7 ·
Calculating Resistance and Power Dissipation in a Circuit
- cemar.
- · Replies 3 ·
Calculating Final Speeds of Colliding Pucks on an Air-Hockey Table
- davidphysics
- · Replies 14 ·
A Wild Ride - roller coaster physics
- rsala
- · Replies 3 ·
How Many Oscillations Does a Damped Pendulum Complete by Noon?
- lostinphysics44
- · Replies 18 ·
Bisecting Vectors: Find Unit Vector
- bmchenry
- · Replies 1 ·
What is the total energy stored in this oscillation
- MIA6
- · Replies 11 ·
Calculating Time to Reach 1/2x from Equilibrium for a Mass & Spring
- MIA6
- · Replies 1 ·
What is the Net Horizontal Force on an Inclined Ramp?
- mcstink
- · Replies 9 ·
A=3i + 2j +k and Bz = -1i +2j +Bk. |A + B| =6. Find Bk
- bmchenry
- · Replies 7 ·
Rifle shot and pointed barrel to hit center
- AnkhUNC
- · Replies 16 ·
Bee flying between two pollen sources 0.3km apart
- pf_1
- · Replies 1 ·
When will the velocity vector make an angle of 45 degrees?
- bharp24
- · Replies 3 ·
What Steps Are Needed to Determine the Mass in a Spring Oscillation Problem?
- JeremyStudent
- · Replies 3 ·
Solving Questions on Optical Characteristics and Image Formation
- gnanagan_10
- · Replies 1 ·
Magnetic Field from Two Wires problem
- Badger
- · Replies 5 ·
At what velocity should we bounce the ball
- dogcat
- · Replies 10 ·
Density of a 1kg cylindrical weight
- chocolatelover
- · Replies 6 ·
How Do You Calculate Refraction Index and Object Distance in Optics Problems?
- Saturnfirefly
- · Replies 2 ·
Force between an infinitely long wire and a square loop
- xinlan
- · Replies 2 ·
Where should the fulcrum be on a 3m seesaw with 35kg and 55kg children?
- alex7298
- · Replies 6 ·
Sports car accelerates from 0 to 100 km/h in 6.2 s
- sprinter08
- · Replies 7 ·
Calculate the density of the material of which the sphere is made
- anyone1979
- · Replies 7 ·
Calculating Solar Energy Needed to Power US
- frasifrasi
- · Replies 21 ·
How does the zero momentum frame work in 2D collisions?
- joker_900
- · Replies 1 ·
What is the current and direction of flow in an ionic solution?
- cse63146
- · Replies 8 ·
Show wave kinetic energy and potential energy are the same
- JayKo
- · Replies 12 ·
What Mathematics Underpins Solar Power Concepts?
- turnip
- · Replies 3 ·
How Do You Calculate the Variable Resistance for Optimal Battery Charging?
- jesuslovesu
- · Replies 1 ·
How Do You Calculate Area and Uncertainty for a Rectangular Plate?
- potermic
- · Replies 1 ·
Draw the vectors head to tail so they make a triangle
- Maximillien
- · Replies 7 ·
What Are the Union and Intersection of the Sets (0, i)?
- Goldenwind
- · Replies 2 ·
Trouble Solving Volume of Condensed Water
- kapatter
- · Replies 1 ·
Solving for the Distance of a Falling Flower Pot
- spj1
- · Replies 4 ·
Electrical characteristics of a lamp. Experiment.
- dumb__x
- · Replies 11 ·
Calculate Sales Tax on $1.25 Purchase - Effective Rate
- chocolatelover
- · Replies 2 ·
Constant Acceleration of Two Cars
- ff4930
- · Replies 10 ·
Solve 5 Wire Junction Current w/ Conservation of Current
- cse63146
- · Replies 8 ·
Distance from midpoint to first constructive interference of two loudspeakers
- moronto
- · Replies 5 ·
How far downstream has the boat moved?
- asloudascanbe
- · Replies 4 ·
Projectile with a linear air resistance force question
- joker_900
- · Replies 1 ·
Direct Current Circuit with Galvanometer.
- Icetray
- · Replies 7 ·
Insulating Spherical Charged Solid with a Cavity
- dchrisma
- · Replies 2 ·
Weight of Object: Calculating Force from Acceleration
- subieman
- · Replies 2 ·
Understanding Uncertainty in Dimensional Analysis
- potermic
- · Replies 2 ·
Force on (+q) in a Square Configuration
- awvvu
- · Replies 3 ·
Bernoulli's equation step after substituting the continuity equation
- Twilit_Truth
- · Replies 3 ·
Which airplane has higher kinetic energy: same speed vs half mass and double speed?
- rearview
- · Replies 3 ·
Solving Significant Figures Problems - Area of a Parking Lot
- chocolatelover
- · Replies 4 ·
How Does a Spool's Acceleration Relate to Force and Mass?
- cryptoguy
- · Replies 1 ·