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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Calculating Final Velocity in a System with Potential Energy and Friction
- closer
- · Replies 2 ·
How Can a Mask, Light Gate, and Motion Computer Measure Instantaneous Speed?
- Revolutionz
- · Replies 1 ·
Radial acceleration around a planet
- anteaters
- · Replies 5 ·
Determine the range of capacitance
- zeshkani_usa
- · Replies 3 ·
Solving the Angle of a Rolling Penny
- davesface
- · Replies 4 ·
Change in Linear Momentum with mass and velocity
- vurk
- · Replies 1 ·
Force and Motion with two unknows
- ankitp3
- · Replies 5 ·
How Does a Pogo Stick Utilize Spring Mechanics for Maximum Jump Height?
- CNauert
- · Replies 3 ·
Objects on a Slope - Pretty Easy
- bobber205
- · Replies 1 ·
How Far Will the Block Travel Up the Incline?
- cj3
- · Replies 1 ·
Banked Circular Motion Problem: Calculating Normal and Friction Forces
- petsgomoo13
- · Replies 2 ·
How Can the Work-Energy Theorem Be Applied to Calculate Block Speed?
- dsptl
- · Replies 6 ·
Friction and tension problems with blocks on tables and ramps
- fronomo
- · Replies 2 ·
How Does a Rod's Angle Change in an Accelerating Car?
- davesface
- · Replies 2 ·
What Happens to Water Level When a Brick is Tossed from a Boat?
- blade_chong
- · Replies 20 ·
Does Tension Remain Constant in a String with Rollers and a Hanging Weight?
- stringtension
- · Replies 10 ·
Find velocity and Kinetic Energy of a Springy Toboggan
- SelHype
- · Replies 1 ·
Height of a geostationary satellite above Earth
- lovelycecila
- · Replies 1 ·
What Are the Physics Behind Bungee Jumping?
- kittychg
- · Replies 5 ·
Radial and tangential acceleration on a rotating turntable
- steph35
- · Replies 1 ·
Projectile fired up an incline at angle θi for maximum distance
- steph35
- · Replies 1 ·
Tension in string connecting 6.0 kg box on 44° slope to 1.5 kg hanging weight
- fronomo
- · Replies 1 ·
Projectile problem-A rock is kicked off a 45 Degree hill at 15m/s.
- Kizaru
- · Replies 4 ·
Finding maximum force given moment limit and direction cosines
- vdfortd
- · Replies 1 ·
How Does the Speed and Direction of a Car Affect the Apparent Angle of Rainfall?
- frangieh
- · Replies 2 ·
How Do You Calculate Moment of Inertia for Connected Masses?
- Jaklynn429
- · Replies 1 ·
Calculate speed v in crossfield hall effect
- th3plan
- · Replies 1 ·
Understanding Rotational Velocity in a Hamster Wheel
- flash
- · Replies 12 ·
Finding river speed when tugboat returns to drifting barge
- Garicup
- · Replies 1 ·
Ball thrown downward at 8.0 m/s from 25 m height
- reltz
- · Replies 3 ·
What Speed Should a Swimmer Have to Cross a River Directly?
- frangieh
- · Replies 2 ·
Finding Velocity and Height of a Kicked Ball
- a2k22
- · Replies 11 ·
Calculating Delta h for a Projectile Fired at 50 Degrees without Air Resistance
- a2k22
- · Replies 17 ·
Man Throws Ball 138m Horizontally, How Far Vertically?
- a2k22
- · Replies 9 ·
Potential energy of gravitational force
- diablo2121
- · Replies 2 ·
Velocity Time Graphs and Questions
- Run4Fun
- · Replies 2 ·
What Electric Field is Needed to Undeflect Electrons in a Magnetic Field?
- Stryker321
- · Replies 1 ·
Liquid squirted upward from syringe at 1.5 m/s
- coriimon
- · Replies 3 ·
Acceleration of two-pulley system with 20g mobile pulley
- fishingspree2
- · Replies 3 ·
What Speed is Required for a Half-Court Jump Shot in Basketball?
- bam3211
- · Replies 3 ·
How to Determine Tensions in Cables for a Suspended Speaker System?
- Melawrghk
- · Replies 2 ·
Projectile Motion stone dropped
- bkoiskewl1
- · Replies 1 ·
How Does Speed Affect Radar Frequency Shift?
- akan
- · Replies 3 ·
Pressure Amplitude Calculation for Sound Waves
- akan
- · Replies 2 ·
Solving for the RPM of a Malfunctioning Motor
- akan
- · Replies 2 ·
How do I delete my own post?
- petsgomoo13
- · Replies 1 ·
An acceleration/distance/velocity question.
- username111
- · Replies 1 ·
Simple physics kinematic one dimension problem?
- papi
- · Replies 2 ·
Solving Work Problem: Kinetic Energy of Toy Car After Braking
- Dwrigh08
- · Replies 3 ·
What is the direction of the wind in this airplane problem?
- iluvphys
- · Replies 16 ·
Birds in uniform cirular motion
- iluvphys
- · Replies 3 ·
Jumping on a trampoline and energy conserved/ not conserved
- menotyou9
- · Replies 1 ·
Using Impulse-Momentum to Find Time of Falling Object
- jheld
- · Replies 1 ·
What happens when two springs are connected in series and then cut?
- musicfairy
- · Replies 16 ·
Kinetic Friction and Ropes and Pulleys
- dizkoducky
- · Replies 1 ·
How Much Force Does a Golf Club Apply to a Ball?
- PhysicFailure
- · Replies 2 ·
Why Does the Wheel Appear to Rotate Counterclockwise When Projected?
- mellah
- · Replies 2 ·
Calculating Torque of Athlete's Arm at the Gym
- Jaklynn429
- · Replies 4 ·
Where is the net force zero for a proton between two charges?
- bcjochim07
- · Replies 1 ·
Graphing Terminal Velocity using Euler's Method
- jinksys
- · Replies 3 ·
Mag feild two wires opposite directions
- goWlfpack
- · Replies 3 ·
Calculating Deceleration on an Uphill Road
- lokal704
- · Replies 3 ·
Calculating Counterweight for Platform Stability
- sailsinthesun
- · Replies 6 ·
Electric field from potential energy
- physstudent1
- · Replies 2 ·
Why does a turkey wishbone break at a single point?
- kevi555
- · Replies 1 ·
Circular Motion of amusement park ride
- rg67
- · Replies 2 ·
Block sliding down a ramp in a truck
- davidmigl
- · Replies 1 ·
Solving the Velocity of Two Tied Bricks Problem
- Norway
- · Replies 8 ·
Acceleration of 3.8kg Object: 110.58 m/s2, 28.66°
- wallace13
- · Replies 1 ·
Gravitation Force Between Two Massive Bodies
- tater08
- · Replies 3 ·
Gravitational Pulls- Acceleration decreases as object is farther from center
- Phoenixtears
- · Replies 3 ·
Momentum Problem: Find Speed of Block After Inelastic Collision
- dsptl
- · Replies 1 ·
Spring collision between two blocks on frictionless table
- maniacp08
- · Replies 1 ·
Static Equilibrium Rope Problem
- Miss Figgy
- · Replies 1 ·
Conservation of Energy Block Velocity Problem
- Bones
- · Replies 5 ·
Force Vector Problem with Friction
- marker403
- · Replies 1 ·
Block sliding down circular track then spring compression
- Bones
- · Replies 4 ·
Find the magnitude, direction, and location of the force
- Inertialforce
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Is Electrostatic Potential Energy Always Equal to Work Done by Discrete Charges?
- jaejoon89
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How Do We Calculate Kinetic Friction and Net Force in a Donkey-Cart System?
- CINA
- · Replies 1 ·
Projectile Motion, finding g on a planet
- steph35
- · Replies 1 ·
Calculating Total Kinetic Energy After Explosion
- Grogerian
- · Replies 2 ·
Solving a Frictionless Bug Problem in a Bowl
- Grogerian
- · Replies 1 ·
Calculating the Period Time of a Ball Inside a Ball
- asi123
- · Replies 1 ·
How Is Static Friction Calculated from Deceleration Data?
- SciGuy26
- · Replies 1 ·
Elastic Energy and Conservation of Energy
- HelloMotto
- · Replies 1 ·
Capacitance question What is C_eq?
- jaejoon89
- · Replies 1 ·
Solving Car Overtaking Length with 50mi/h and 45mi/h Cars
- rigor
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Uncertainty Propagation in Fractional Expressions
- Oerg
- · Replies 16 ·
Calculating Speed of Ball Leaving Spring Gun Barrel
- sealmap87
- · Replies 3 ·
Finding the angular speed in rpm
- lmc489
- · Replies 9 ·
Does a uniform system always indicate rotational equilibrium in torque problems?
- Inertialforce
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Applying the work-energy theorem
- hpnhpluv
- · Replies 1 ·
Magnetic field two parallel wires
- goWlfpack
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Magnetic feild in circular coil
- goWlfpack
- · Replies 1 ·
KVL with a current source in loop
- ThomasHW
- · Replies 1 ·
Calculate Buoyancy of Barge: 2.8 x 10^5 kg, 19.8m Long, 10.5m Wide
- Kickbladesama
- · Replies 2 ·
Can You Calculate the Densities of Metal and Oil?
- crossfaith20
- · Replies 1 ·
The Impulse and Average Force of a Bouncing Handball
- maniacp08
- · Replies 5 ·
2d Projectles Motion/Kinematics
- Jessicaelleig
- · Replies 1 ·