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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Bullet passing through 4cm thick board
- Physics08
- · Replies 6 ·
What is the Final Temperature of a Water Mixture?
- fallen186
- · Replies 2 ·
Finding the distance of a sagging mass on rope using tension
- chenying
- · Replies 3 ·
What are the forces and angles involved in dragging a sled with ropes?
- mrogers08
- · Replies 2 ·
How Do You Calculate the Total Force on a Block on an Inclined Plane?
- wrexsoul
- · Replies 1 ·
How do you do this vector problem?
- neutron star
- · Replies 1 ·
Sliding Block moving up incline
- Zhalfirin88
- · Replies 23 ·
How Do You Calculate Final Y-Velocity of a Projectile?
- yankeekd25
- · Replies 1 ·
Bungee Cord Force Constant from Work?
- CandyApples
- · Replies 1 ·
Can an alternative approach to using hints solve this electric dipole question?
- SpartanG345
- · Replies 6 ·
Calculating slit width by length difference of 1st and 2nd minima
- Unemployed
- · Replies 3 ·
Friction Force between the box and the floor?
- IneedHelp:-)
- · Replies 11 ·
Why is current constant in a circuit with resistors?
- DarylMBCP
- · Replies 9 ·
Pendulum in polar coordinate system problem
- mkerikss
- · Replies 3 ·
Applications of Newtons Laws (friction)
- sucksatphysic
- · Replies 1 ·
AP Physics C Mechanics: Conservation of Energy Problem
- SHawking
- · Replies 1 ·
Calculating Coefficient of Kinetic Friction on an Incline
- Filip89
- · Replies 5 ·
Determine the acceleration and position of the bullet
- pooker
- · Replies 1 ·
Calculating Oxygen Mass and Leak in a Tank Using Ideal Gas Law
- tweety24
- · Replies 2 ·
2 weights on a pully, show formula
- man_in_motion
- · Replies 1 ·
Kinetic/ Static friction- Newtons 3rd Law
- KingSloth
- · Replies 1 ·
How Long Does a Horizontally Shot Ball Stay Airborne?
- IneedHelp:-)
- · Replies 1 ·
Kinematics in 2D - Captain of a Plane Question
- crono_
- · Replies 1 ·
Finding charge to mass ratio in a Thomson apparatus
- hockeyhoser23
- · Replies 1 ·
Projectile Motion, Vector Component Confusion
- cire792
- · Replies 1 ·
What Is the Initial Acceleration of the Third Sphere in a Gravitational System?
- kai89
- · Replies 1 ·
Find the maximum tension in the rope problem
- JoshMP
- · Replies 2 ·
Is Statement C About Newton's Law of Gravity True?
- jake40208
- · Replies 1 ·
Show that the voltage across resistor R2
- KillerZ
- · Replies 3 ·
Can Kinematics Solve These Real-World Physics Problems?
- cerulescence
- · Replies 3 ·
What Is the Value of K in a Pendulum Lab?
- bolivartech
- · Replies 1 ·
Solving Tension in Block System: Figure 5-57
- zenythz
- · Replies 1 ·
Finding shunt resistances for a multirange ammeter
- parm09
- · Replies 1 ·
Block of unknown mass projected up incline.
- amb1989
- · Replies 11 ·
How Do You Calculate the Location of a Short in an Underground Cable?
- Liketothink
- · Replies 3 ·
Block sliding on an inclined plane
- JoshMP
- · Replies 7 ·
What affects the stability of equilibrium in a truss with no thickness?
- camino
- · Replies 2 ·
Solve 3 Blocks Question Homework: F=MA
- IneedHelp:-)
- · Replies 10 ·
Time calculation with non uniform acceleration
- woodie37
- · Replies 18 ·
Window washer pulley system acceleration
- Hailcanadien
- · Replies 5 ·
How many apples can I fit in a box using close packing of spheres?
- trillianK
- · Replies 1 ·
Distance between two second order maxima
- kuzco890
- · Replies 4 ·
How Does Gravity Affect the Oscillation Period of a Spring?
- kinetix
- · Replies 1 ·
Central Maximum/Diffraction Question
- wilson_chem90
- · Replies 1 ·
How Do You Calculate the Third Maximum for a Single Slit Diffraction?
- wilson_chem90
- · Replies 1 ·
How high can a salmon jump above the water if it swims at 5m/s?
- jOANIE
- · Replies 2 ·
What Voltage Does a Bird Feel on a Power Line?
- Liketothink
- · Replies 7 ·
Tracking a Particle's Motion in the xy Plane
- neutron star
- · Replies 1 ·
Retarding force acting on a particle
- vballgurl154
- · Replies 2 ·
Fermi Estimate with atmospheric pressure
- crybllrd
- · Replies 17 ·
Is (x+sqrt(2)) or (-x+sqrt(2)) rational?
- mmd50
- · Replies 2 ·
Finding capacitance per unit length of a coaxial cable
- budget76
- · Replies 2 ·
How would increasing the gravitational constant G affect Earth's orbit?
- Curious123
- · Replies 2 ·
A 6kg box is placed on a 32degree frictionless ramp. Find accel. of the box.
- Kaxa2000
- · Replies 2 ·
Calculating Charge in a Parallel Connection of Capacitors
- fenixbtc
- · Replies 1 ·
Calculating Angle of Wheel Rotation for Rolling Bicycle
- nan0
- · Replies 3 ·
How Does Density Affect Electrical Resistance?
- Mathysics
- · Replies 2 ·
Calculating Work Done on Moving Object: Initial vs Final Velocity
- MechaMZ
- · Replies 1 ·
Vector Magnitude and Direction Problem
- spkenn5
- · Replies 4 ·
A Couple Deceleration Questions
- SaviourToNone
- · Replies 3 ·
Finding electric potential of a sphere with a given volume charge density
- citra
- · Replies 1 ·
Solve t: How to Solve 9.0 = 34.2(1 - e-t/2.7)
- queenspublic
- · Replies 2 ·
Finding distance ratio when object A accelerates twice as long
- angmokio
- · Replies 2 ·
Easy Gas Compression question PV=nRT
- fallen186
- · Replies 2 ·
Propogation of error when taking sine inverse
- nietzsche
- · Replies 3 ·
Finding magnitude of a 3D vector with components in i, j, k notation
- Gattz
- · Replies 7 ·
Converting temperatures and comparing gas properties by mass
- fallen186
- · Replies 2 ·
What Is the Capacitance Between Two Plates?
- fenixbtc
- · Replies 5 ·
Determine the amplitude of a mechanical wave given only it's velocity and period
- staticd
- · Replies 10 ·
Calculate W for Point Charge Configuration
- StephenDoty
- · Replies 5 ·
Atwood's Machine with unknown masses
- Warmacblu
- · Replies 17 ·
A jogger runs with a speed 3.25 m/s
- kinoa451
- · Replies 2 ·
How Is the Mass of Block B Calculated in a Friction-Affected Pulley System?
- martyk
- · Replies 1 ·
How Should a Pilot Adjust Her Course in Wind to Reach a Target?
- FlipMC
- · Replies 2 ·
How Do You Calculate the Wind Force Acting on a Boat?
- triplel777
- · Replies 1 ·
Factors affecting acceleration in a pulley system
- Fireworks
- · Replies 1 ·
Converting a force vector from component form to polar form
- 1irishman
- · Replies 7 ·
Calculating Voltage Drop in an AC circuit
- Jordash
- · Replies 7 ·
How Does Loop Size Affect Magnetic Flux in a Solenoid Setup?
- spriter
- · Replies 2 ·
Calculating Electric Field and Force in Singly Ionized Helium Atom
- Suy
- · Replies 4 ·
Integral of a closed surface over a general region
- Kwandae
- · Replies 1 ·
What is the impact velocity of a projectile launched from a cliff?
- chrisfnet
- · Replies 10 ·
Projectile motion toy cannon problem
- ILoveOranges
- · Replies 1 ·
What Causes the Acceleration of the Smaller Mass in a Two-Mass Pulley System?
- bleedblue1234
- · Replies 1 ·
Calculating Average Power Consumption from 1650 KWH/Month
- jpartdq
- · Replies 1 ·
How to calculate tire rotation per sec/min/hour
- marinpa
- · Replies 1 ·
Finding Current in a series circuit
- Josh930
- · Replies 1 ·
Determine the acceleration of the sled
- wick85
- · Replies 1 ·
How Do You Calculate the Moment of Inertia for Different Shapes in Physics?
- Ion1776
- · Replies 1 ·
Calculate Horizontal Ball Drop at 41.3m/s Velocity
- pookisantoki
- · Replies 1 ·
Terminal Velocity and Bouyancy - F = kv
- ultimateman
- · Replies 2 ·
150 yd3 of water - what is the mass in pounds of water?
- master c
- · Replies 3 ·
Should you brake or accelerate at a yellow light?
- bammeh
- · Replies 4 ·
Ball Rolling Down a Slope: How Does Output Angle Affect Distance Traveled?
- nisse pisse
- · Replies 3 ·
Entropy change in an inelastic collision.
- bbhill
- · Replies 1 ·
Work done by resistive force on a round-trip bike ride
- JJones_86
- · Replies 17 ·
Projectile motion motorcycle jump over cliff
- offbeatjumi
- · Replies 3 ·
What is the Work and Normal Force in a Block Pushed Up a Wall?
- Warmacblu
- · Replies 39 ·
Calculating O2 Molecule Velocity at -50C
- ibysaiyan
- · Replies 3 ·
Magnitude and direction of the total force on the wire
- negat1ve
- · Replies 5 ·