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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Mean surface level atmospheric density
- Winzer
- · Replies 2 ·
How far and how fast until Tina passes David at constant velocity and acceleration?
- CowzRule101
- · Replies 1 ·
Simple Acceleration and Velocity Problem
- veronicak5678
- · Replies 5 ·
Distance and time between 2 train stations
- sktgurl930
- · Replies 5 ·
Velocity squared vs position graph
- azn4lyf89
- · Replies 3 ·
River and boat velocity problem
- akbro93704
- · Replies 1 ·
What is the magnitude of the uniform electric field
- salome
- · Replies 1 ·
Field Magnitude and force question
- crh
- · Replies 5 ·
Average acceleration of golf ball bouncing on concrete
- Argento7
- · Replies 1 ·
What Is the Average Acceleration of a Super Ball Bouncing Off a Wall?
- Rob21
- · Replies 1 ·
Two canoes with same effort, different velocities upstream and downstream
- svayl
- · Replies 1 ·
Calculating Minimum Trailing Distance in a Reaction Time Scenario
- Argento7
- · Replies 4 ·
Plane drops packages confounded again
- Phoenixtears
- · Replies 3 ·
Work-Energy Theorem in Inertial Reference Frames
- Quelsita
- · Replies 3 ·
Linear Expansion Problem: Finding Optimal Crack Width for Highway Slabs
- yossup
- · Replies 3 ·
Confounded by King Arthur's knights
- Phoenixtears
- · Replies 5 ·
Calculating Velocities of Charged Balls Released from 1m Distance
- devanlevin
- · Replies 3 ·
How high must a shot tower be for 4.0s solidification?
- Lida
- · Replies 13 ·
Finding the B-field at a point outside ring of current IN Plane of ring
- maxmax1
- · Replies 1 ·
Centripetal force on a stunt pilot
- nokia8650
- · Replies 1 ·
Conceptual question: Atmospheric pressure
- johnj7
- · Replies 2 ·
How Do You Rearrange R Values for a Linear Graph in Inverse Proportion Problems?
- tornzaer
- · Replies 3 ·
What Equations Calculate Ball Trajectory and Force in Physics Problems?
- crhscoog
- · Replies 1 ·
How to Find initial Velocity at 90 degrees with only a time variable given
- cloakblade5
- · Replies 1 ·
Block on incline with friction and applied force
- sedaw
- · Replies 8 ·
Train Collision Stopping distance Problem
- SharkFin39
- · Replies 4 ·
Velocity to jump building to building
- bmarvs04
- · Replies 4 ·
How High Does a Rocket Climb After Fuel Depletion?
- kurosaki69
- · Replies 8 ·
How Do You Calculate the Initial Velocity of a Tennis Ball Thrown at an Angle?
- Haniszmi
- · Replies 6 ·
Which answer choices are correct for this physics problem?
- Miguel89
- · Replies 8 ·
Freight wagon collision: find speed, acceleration and force
- ollieman
- · Replies 11 ·
Ideal gas in a cylinder closed by a piston connected to a spring
- amcca064
- · Replies 6 ·
How Do You Calculate Average Speed with Variable Velocities and Accelerations?
- Haniszmi
- · Replies 3 ·
How Do You Calculate the Angle of Inclination for a Slide?
- chronie
- · Replies 4 ·
Sketching velocity graph from acceleration graph
- azn4lyf89
- · Replies 3 ·
Simple wave questions- am I right?
- bcjochim07
- · Replies 2 ·
Photon's emmited by a 100w bulb.
- Seda
- · Replies 1 ·
What is the Density of the Earth in Pounds per Cubic Foot?
- 964js7
- · Replies 13 ·
Officer overtaking soldiers (tricky problem)
- FatheadVT
- · Replies 1 ·
Calculating Electric Field Due to Multiple Charged Balls
- cowmoo32
- · Replies 6 ·
Accel. of eletron in Electric field.
- Lance WIlliam
- · Replies 3 ·
How to Calculate Heat Flow Between Boiling Water and Ice-Water Mixture?
- yuen47
- · Replies 2 ·
Vector Addition and Resultant Velocity in Air Travel
- Morhas
- · Replies 8 ·
Calculating Electrostatic Force on a Charge in a Compass
- mersad
- · Replies 1 ·
Rock thrown horizontally from cliff, falls half height in last 3 seconds
- cmsoccer21
- · Replies 1 ·
Finding distance with known constant acceleration
- tater08
- · Replies 3 ·
Resultant Vorces and Moment (aircraft problem)
- clickcaptain
- · Replies 6 ·
Current decay in closed circuit with only 1 resistor
- GarethB84
- · Replies 2 ·
Minus signs on Voltage and potential energy
- blumfeld0
- · Replies 2 ·
What is the magnitude of the acceleration of the center of mass
- noppawit
- · Replies 5 ·
Calculating Wing Tip Acceleration and Velocity in a Flapping Fly
- Larrytsai
- · Replies 2 ·
How Does Changing a Planet's Radius Affect Its Mass?
- unseenoi
- · Replies 3 ·
Finding Earth's surface area and volume from its radius
- Darkhrse99
- · Replies 4 ·
Dimensional analysis of period formula and energy units
- Dig
- · Replies 11 ·
Help with starting a physics problem
- Jbright1406
- · Replies 5 ·
What do areas under position, velocity and acceleration graphs represent?
- azn4lyf89
- · Replies 1 ·
Pretty simple distance traveled given acceleration problem
- BC2210
- · Replies 2 ·
Hydrolic Pressure and Bulk Modulus
- vMaster0fPuppet
- · Replies 3 ·
Projectile Motion/Vertex small problems.
- CDink
- · Replies 27 ·
Determining Electric Field at Origin Due to Charges A and B
- 0338jw
- · Replies 2 ·
Golf Displacement: 4.19m, 20° North of East
- Caitlin.Lolz.
- · Replies 5 ·
Electric Forces: Calculating Charge on Two Spheres
- Kris1120
- · Replies 4 ·
Can You Avoid Hitting the Tractor on a Country Road?
- bmiller13
- · Replies 1 ·
What Is Net Displacement and How Do You Calculate It for Multiple Directions?
- jo3jo3520
- · Replies 32 ·
What Is the Acceleration of Block C if the Rope Between A and B Is Cut?
- ewnair
- · Replies 1 ·
Solve Angular Problems: Rad/s, Revolutions, Acceleration
- fate119
- · Replies 1 ·
Can You Solve These Physics Puzzles Before Tomorrow's Deadline?
- emjez15
- · Replies 6 ·
Estimating the Diameter of the Moon Using a Pencil - Simple Physics Problem
- k_yup
- · Replies 4 ·
Solar power from 100W bulb intensity at 0.1 m
- shanie
- · Replies 3 ·
Which Body Reaches the Bottom First?
- brainracked
- · Replies 17 ·
Calculate A for Person's Arms in Oscillatory Motion
- sheri1987
- · Replies 1 ·
How Is the Force on Object B Expressed in Terms of Acceleration a?
- sedaw
- · Replies 1 ·
(kinematics) Is it to derive into radial and transverse components?
- fociboy
- · Replies 1 ·
Velocity and Acceleration of Cars
- mossfan563
- · Replies 16 ·
How Does a Frictionless Surface Affect Bullet Penetration Depth?
- Oerg
- · Replies 1 ·
Force mechanical oscillator and frequency independent?
- hemetite
- · Replies 2 ·
Answer: Calculating Velocity of 1000kg Rocket After Launch
- johnlu66
- · Replies 2 ·
Average velocity and acceleration
- Kajayacht
- · Replies 4 ·
Finding vector B given F = q(v × B) with Bx = By
- grosenblatt
- · Replies 1 ·
When and Where Do Two Cars Collide? A Velocity Analysis
- aziegler@uark
- · Replies 2 ·
Showing momentum will be conserved in moving reference frame
- briteliner
- · Replies 6 ·
What is the Diameter of an Oil Slick Spreading on a Lake?
- homeworkboy
- · Replies 16 ·
How Long Does It Take for a Wrecking Ball to Fall to the Ground?
- pstfleur
- · Replies 3 ·
Can a Tourist Outrun a Bear to Reach Safety?
- Skully7780
- · Replies 3 ·
A problem regarding momentum(from an entrance exam to Uni in Japan)
- fantasy
- · Replies 12 ·
How Do We Calculate the Mass of Binary Stars Like Centauri A and B?
- PSEYE
- · Replies 1 ·
Finding electric field strength from maximum flux through a rotating loop
- nslinker
- · Replies 9 ·
Calculating Speed and Distance Using Acceleration and Time in Mechanics
- burnu
- · Replies 5 ·
Electric field of a point of charge
- ibaraku
- · Replies 3 ·
How Do You Express Vector C in Terms of A, B, and Theta?
- swooshfactory
- · Replies 1 ·
Gravitational Force of Three Identical Masses
- PSEYE
- · Replies 1 ·
Calculating Time for a Ball Rolling Down an Inclined Plane
- Nuha99
- · Replies 3 ·
What is the value of the damping constant?
- hemetite
- · Replies 2 ·
Why Does Faraday's Law of Induction Consider Coil Area Instead of Length?
- Galadirith
- · Replies 11 ·
Model Rocket question regarding height,time,acceleration
- rsfancy
- · Replies 2 ·
Find the geometric relation between vectors A and B
- pf09
- · Replies 9 ·
Charged Aluminum Sphere electrons
- StephenDoty
- · Replies 12 ·
Moving Wedge - Give the accelerations in terms of components
- Dschumanji
- · Replies 6 ·
Finding distances B and C for return trip with three displacement vectors
- jcwhitts
- · Replies 2 ·