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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What is the Electric Field at Two Points?
- jlmccart03
- · Replies 11 ·
Electrical forces, application of Colomb's law
- Rijad Hadzic
- · Replies 3 ·
Packet dropped from a rising balloon at 65 m height
- AlphaA
- · Replies 7 ·
Explain speed limits on curved ramp with Newton's Laws
- Mayp
- · Replies 3 ·
How Fast Will the Rocket Travel After Using All Its Fuel?
- Asad Raza
- · Replies 7 ·
Magnetic Field of a Line between two wires
- Litdaze
- · Replies 7 ·
RC circuit -- finding the charge on each capacitor
- fedecolo
- · Replies 18 ·
Electricity (Potential difference between points in circuit)
- Suyash Singh
- · Replies 2 ·
Finding time between two arrivals at y = 0.175m in transverse wave
- Const@ntine
- · Replies 5 ·
Find the current flowing through the 3 ohm resistor.
- prakhargupta3301
- · Replies 4 ·
Finding Velocity Components given Speed and Heading
- Ash_Sdr
- · Replies 6 ·
Interference of Waves, Sound Diminution
- alingy1
- · Replies 2 ·
Finding the magnitude of electric field
- jlmccart03
- · Replies 4 ·
How to find max velocity in a spring-mass system?
- Helly123
- · Replies 5 ·
Circular Motion - Newton's Laws in different reference frames
- Jimmy87
- · Replies 4 ·
Hooke's Law acceleration question
- serunder
- · Replies 15 ·
ASOE Physics Exam Q - Diagram for Constructive Interference
- TEKNO
- · Replies 1 ·
Kinematics 4 -- Calculate the velocity from the position versus time graph
- Pushoam
- · Replies 6 ·
Where is nuclear binding energy stored?
- Arun Muthu
- · Replies 3 ·
Charge distribution on spheres
- Suyash Singh
- · Replies 26 ·
Finding Equilibrium Forces in a Two-Member Frame
- rico22
- · Replies 4 ·
Is Tension2 always smaller than Tension1 in a tension and pulley system?
- Deadawake
- · Replies 5 ·
Length contraction -- numerical problem
- Pushoam
- · Replies 2 ·
Acceleration in One Dimensional Inelastic Collision
- Calvin Pitts
- · Replies 33 ·
Length contraction numerical problem
- Pushoam
- · Replies 1 ·
Particle's Motion in XY Coordinate System
- OcaliptusP
- · Replies 19 ·
What is the complexity of calculating the potential of a cylinder?
- Buffu
- · Replies 1 ·
Field at a distance caused by a ring charge
- chopnhack
- · Replies 4 ·
Equation for Periodic Motion of Two Colliding Masses on a Spring
- physics123
- · Replies 6 ·
Solid sphere rolling 9m down 43° roof, find angular speed
- shmoop
- · Replies 2 ·
Finding which harmonic creates beats between guitar string and 440 Hz tuning fork
- Granger
- · Replies 4 ·
Understanding the Direction of Electric Field Vectors
- chopnhack
- · Replies 2 ·
Can electric potential exist without electric field?
- Brooke Turner
- · Replies 6 ·
How does relativity affect the observation of moving objects?
- Pushoam
- · Replies 5 ·
Does Tension Increase with Higher Angles in a String?
- chopnhack
- · Replies 2 ·
Torque on current carrying loop/Diploe moment of loop
- Tanishq Nandan
- · Replies 3 ·
Work Problem - Distance of particle moving up an incline
- shmoop
- · Replies 19 ·
Gun-Projectile Elastic Collision
- Calvin Pitts
- · Replies 24 ·
Phase Difference in Parallel SHM with Equal Amplitude and Frequency
- EddiePhys
- · Replies 13 ·
Tangential movement in a waterslide
- Fibo112
- · Replies 35 ·
How Does Current Direction Affect Magnetic Field Orientation?
- Suyash Singh
- · Replies 6 ·
How does sin and cos disappear between equations 15.7 and 15.8?
- Felix Gonzales
- · Replies 2 ·
Two point charges repelling, stretching a spring
- chopnhack
- · Replies 14 ·
Ship traveling 55 degrees W of N moves 65 km north in 3 hours
- britt6
- · Replies 8 ·
Momentum/conservation of momentum problem
- fab123
- · Replies 5 ·
Hall effect/Force on a current carrying wire
- Tanishq Nandan
- · Replies 2 ·
Optics : How many images can be seen in inclined mirrors?
- Jahnavi
- · Replies 18 ·
Minimum speed to push a box up a friction incline with the work-energy theorem
- deuce123
- · Replies 1 ·
What is the Secondary Voltage of This Transformer?
- Natalia
- · Replies 7 ·
Electricity (charge on capacitor in circuit)
- Suyash Singh
- · Replies 3 ·
Will the Man Use His Right Hand in Any of the Mirror Images?
- Jahnavi
- · Replies 5 ·
Why does an underwater object appear blue instead of the expected color?
- Jahnavi
- · Replies 30 ·
Finding time for skier projectile motion from height h
- I'm Awesome
- · Replies 2 ·
Motion of a Cylinder: Angular Velocity & Horizontal Distance
- davidge
- · Replies 18 ·
Which Statements Are True for Capacitors in Earthed Circuits?
- Tanishq Nandan
- · Replies 11 ·
A rocket on a cart is fired to go through a hoop
- beccabrummer
- · Replies 1 ·
How Does Charging a Conducting Shell Affect Potential Difference?
- Tanishq Nandan
- · Replies 7 ·
Force and acceleration on a waterslide
- Alex no Sekai
- · Replies 10 ·
Acceleration of a frictionless block on a frictionless wedge
- VinnieD
- · Replies 7 ·
Does white light disperse when incident on a spherical water drop?
- Jahnavi
- · Replies 14 ·
Electric field due to a finite and infinite sheet of charge.
- Badger01
- · Replies 8 ·
Momentum -- pure rolling and trajectory physics problem
- timetraveller123
- · Replies 63 ·
Temp/Pressure Relationship Open Parcel of Air
- firefuze
- · Replies 3 ·
Two capacitors charged to different voltages cancel to zero when connected
- Tanishq Nandan
- · Replies 6 ·
How Is Maximum Acceleration of a Racecar Calculated Using Physics Formulas?
- decerto
- · Replies 23 ·
Interpreting I-V graphs in Photoelectric effect
- Curious12345
- · Replies 3 ·
Planetary motion and a space station
- serunder
- · Replies 3 ·
What Is the Potential of an Uncharged Conductor Near a Charged Conductor?
- Tanishq Nandan
- · Replies 5 ·
1D Kinematics problem with a plane taking off
- Granger
- · Replies 1 ·
Calculate Acceleration using relative distances
- Ash_Sdr
- · Replies 4 ·
Electric field strength on particles of various distances
- chopnhack
- · Replies 2 ·
Angular velocity tank receiving cereal
- Granger
- · Replies 3 ·
How to Determine Velocities for Rolling Objects on an Inclined Plane?
- Granger
- · Replies 3 ·
When is acceleration maximum in simple harmonic motion?
- curiosity colour
- · Replies 3 ·
Electric field of a thick infinite non-conducting plate
- gj2
- · Replies 3 ·
Point charges in a equilateral triangle - typo in solution?
- chopnhack
- · Replies 6 ·
Calculate time given distance, mass, and force
- efake
- · Replies 18 ·
Finding the northernmost point of a great circle route between two cities
- MrsTesla
- · Replies 8 ·
Friction Problem of a Crate Sliding Down a Ramp
- BBA Biochemistry
- · Replies 4 ·
Thermodynamics, bullet melting ice problem
- Vitalius6189
- · Replies 4 ·
What was the initial temperature of the lead bullet before it melted completely?
- Vitalius6189
- · Replies 3 ·
Surface density on isolated conductors in space
- cromata
- · Replies 26 ·
Vertical motion with air resistance proportional to velocity
- matt jordan
- · Replies 7 ·
Find Current Through Battery in Circuit: 3/11 or 21/19?
- giokrutoi
- · Replies 8 ·
Acceleration of two masses on pulley with massive cord and friction
- deuce123
- · Replies 21 ·
How the surface area of a cone changes; special relativity
- Hiero
- · Replies 2 ·
Work problem -- raising a chain and load
- Mr Davis 97
- · Replies 1 ·
Rotational Motion Question, lever arm with two masses
- shmoop
- · Replies 2 ·
Why Is My Calculation of the Electric Field at Point P Incorrect?
- J6204
- · Replies 2 ·
Heat Transfer: Finding temperature at the junction
- paulie
- · Replies 3 ·
Calculating Heat Loss in a Series Circuit
- Renue
- · Replies 5 ·
Gravity problem - change in g due to oil pocket
- deuce123
- · Replies 3 ·
Sign convention for internal energy change at constant pressure
- chopnhack
- · Replies 10 ·
Voltage between centre and edge of conducting disk
- cromata
- · Replies 8 ·
Hall effect/force on current carrying wire
- Tanishq Nandan
- · Replies 11 ·
Weighing machine in an elevator
- Jahnavi
- · Replies 6 ·
Find constant when velocity is proportional to time
- Jahnavi
- · Replies 8 ·
Electric potential due to a solid sphere
- Marcus Nielsen
- · Replies 5 ·
Is a moving magnet the only way to induce a current?
- an_single_egg
- · Replies 6 ·
Finding out force from a relation of position
- Vv anand
- · Replies 1 ·