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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How Do You Calculate the Trajectory of a Tennis Ball in Physics?
- basedgod
- · Replies 5 ·
How do I find this? 60x10-6 = ?
- Vancurt
- · Replies 5 ·
Can a Solar Sail Enable a Spacecraft to Escape the Solar System?
- phyzz
- · Replies 2 ·
What Determines the Axes of an Elliptical Orbit?
- Karol
- · Replies 15 ·
How Do You Convert mm of Head into Pascals for Aerodynamics Testing?
- escobar147
- · Replies 6 ·
Prove that Operators are Hermitian
- chris_avfc
- · Replies 10 ·
Photoelectric effect and electron deflection in magnetic field
- skg94
- · Replies 4 ·
Radial Load, Axial Load and Toque Load in a car wheel
- lomu123
- · Replies 1 ·
Force on rigid body: translation or rotational acceleration?
- lordsurya08
- · Replies 4 ·
Find final rotational kinetic energy without knowing radius?
- matxjos
- · Replies 5 ·
Finding g from a simple pendulum's period and length
- Klymene15
- · Replies 6 ·
I need ideas about a case study report.
- elishamei9000
- · Replies 9 ·
Toy car moving in a horizontal ring.
- peripatein
- · Replies 14 ·
EM waves and blackbody radiation question
- AlaskanPow
- · Replies 1 ·
Projectile Motion Calculations for a Shell Fired at 30 Degrees
- mc2_phy
- · Replies 4 ·
How do you find the force extended if given the amplitude? Forced Oscillations
- randoreds
- · Replies 3 ·
Calculating Mass and Tension of Stone Suspended from Pulley
- oldspice1212
- · Replies 9 ·
Finding the factor by which two operators differ.
- H.fulls
- · Replies 3 ·
Surface tension of a liquid layer within frame with elastic wire
- peripatein
- · Replies 18 ·
Spacetime diagram based question.
- ronsonol
- · Replies 1 ·
Rotational Kinematics (String attached to disk)
- mattj150
- · Replies 3 ·
Motion in a magnetic field [Magnetism]
- orangefruit
- · Replies 11 ·
Calculate Equilibrium Temperature
- McDonell
- · Replies 2 ·
What is the moment of inertia of a cone spinning about its symmetry axis?
- oliveyew1
- · Replies 1 ·
Average horizontal speed of a gorilla swinging on vines
- Quotexon
- · Replies 6 ·
Energy transfer and power in climbing stairs
- whatwhat11
- · Replies 12 ·
Generator from a power plant delivering electric power
- lisanoir
- · Replies 1 ·
Latent heat and Clapeyron equation
- Telemachus
- · Replies 2 ·
How Do You Find the Center of Mass for a Non-Uniform Bar Using Calculus?
- DLH112
- · Replies 1 ·
Instantaneous current in a reisistor, capacitor and inductor
- lisanoir
- · Replies 1 ·
Small transformers that power products
- lisanoir
- · Replies 1 ·
How Much Force Is Needed to Lift a 2N Block Upwards by 2 Meters?
- XavierYue
- · Replies 10 ·
Atmospheric Pressure Above the Sea Level
- anomalocaris
- · Replies 4 ·
Capacitor circuit exam question
- ofeyrpf
- · Replies 3 ·
What Is the Distance the Block Travels Through the Air?
- rocapp
- · Replies 1 ·
Finding gravitational acceleration near the surface of a planet with a satellite
- katy123
- · Replies 1 ·
How Many Constructive Interference Fringes Are Formed on the Screen?
- Wheelwalker
- · Replies 1 ·
Conservation of Energy Problem - Very Tricky
- doug1
- · Replies 3 ·
Calculating the density parameter (Cosmology)
- Hangst
- · Replies 2 ·
Force due to gravity inside planet
- Undoubtedly0
- · Replies 3 ·
Time for a Droplet of Water to Fall .25m from Hole
- skoopfadj
- · Replies 3 ·
Would you say this is proper scientific inquiry?
- Fifty
- · Replies 4 ·
Acceleration of m1 pulled over two pulleys with pulley masses
- cener
- · Replies 4 ·
Deriving the solution for a free particle from the TISE
- CAF123
- · Replies 5 ·
How to Calculate the maximum transvers accleration and velocity
- Dizzylou
- · Replies 1 ·
Find the object location with ray optics
- Workout
- · Replies 2 ·
Calculating Moment of Inertia from Ball Angular Momentum Problem?
- togg
- · Replies 1 ·
Conservation of Energy in a Rigid Body
- merovingian12
- · Replies 1 ·
How Do You Calculate the Mass of an Asymmetrical Ruler in Equilibrium?
- Jedijawad
- · Replies 1 ·
Integrating velocity at a specific time to find position
- Lenjaku
- · Replies 2 ·
Terminal Speed in Projectile Motion under Air Resistance
- th4450
- · Replies 1 ·
Problem involving the human body and rate of heat transfer
- chinnie15
- · Replies 6 ·
What weight does the scale report when 440 kg of sand have already been added?
- rountree85
- · Replies 5 ·
What is the Hydrogen Emission Spectrum for Transitions to the n = 1 Level?
- d.tran119
- · Replies 2 ·
Light ray passing thru plastic block
- herbally
- · Replies 3 ·
Simple Harmonic Motion: Period Dependence on Variables and Curve Fitting
- wizzpowa
- · Replies 1 ·
Moment of Inertia for 3 masses, on an axis
- matxjos
- · Replies 5 ·
Work/Energy of Two Bungee Jumpers
- kcolman
- · Replies 3 ·
Conservation of energy, A bomb explodes into three pieces
- ErikiaMeno
- · Replies 1 ·
How Do Antiparallel Currents in Two Wires Affect the Magnetic Field at a Point?
- xinlan
- · Replies 17 ·
Catapult Lab could someone assist me?
- DLovas
- · Replies 1 ·
Relating increament of speed to time
- MoniMini
- · Replies 3 ·
To increase the temperature of 50 grams of water by 2 Celsius degrees requires
- pmalayavech
- · Replies 1 ·
I finding a good study resource for AP Physics BC
- ukballer1012
- · Replies 1 ·
When does a ball enter free fall?
- tahayassen
- · Replies 12 ·
Is the Net Force on a Hockey Puck Correctly Calculated?
- pt20army
- · Replies 2 ·
Unbalances and balanced forces
- pt20army
- · Replies 1 ·
Forces to hold a board at an angle in equilibrium
- Lotus93
- · Replies 5 ·
Question: How does mass affect terminal velocity when a drag force is present?
- Nubcake
- · Replies 2 ·
Circuit - Why a more accurate value of the resistance?
- vadevalor
- · Replies 3 ·
Example in the book I don't understand fully
- Genericcoder
- · Replies 3 ·
How Does Resistive Force Affect a Cricket Ball's Flight?
- physicshawk
- · Replies 3 ·
Finding the final temperature of mixed ice and steam
- kiro484
- · Replies 10 ·
Determining Spring Constant After Collision
- fdajkffk
- · Replies 1 ·
Calculate Gravitational Field Strength
- fdajkffk
- · Replies 1 ·
Force between two touching bodies pushed by external force F
- johsun123
- · Replies 3 ·
Pressure problem but without any given values. How?
- evilrain14
- · Replies 3 ·
Why does a = √(a_t² + a_r²) work?
- AJBalbirnie
- · Replies 6 ·
Physics modeling for sky lantern
- radhos
- · Replies 1 ·
Pressure problem but without given values. How?
- evilrain14
- · Replies 4 ·
How to Calculate Velocity with Air Drag and Given Variables?
- michelle2011
- · Replies 6 ·
Does Gravity always move an object down the path with the steepest slope?
- PeteyCoco
- · Replies 1 ·
How Does an Inductor Work in a Circuit?
- Kenny Lee
- · Replies 11 ·
Problem Relating Temperature and Thermal Energy
- chinnie15
- · Replies 2 ·
Finding the final temperature when steam and ice are mixed
- kiro484
- · Replies 26 ·
Angle, Direction, and Speed after an Elastic or Inelastic Collision
- Joel_M
- · Replies 1 ·
Solid Elasticity, Steel Rod shortening
- Siune
- · Replies 4 ·
Angular Frequency of Damped Oscillator
- cd6
- · Replies 1 ·
Work done on a Van der Waals gas with a mobile wall
- Jalo
- · Replies 1 ·
What is the pressure at the bottom of the flask?
- NasuSama
- · Replies 7 ·
Calculating Final Speed of Sled with Bobsledders Jumping In
- fdajkffk
- · Replies 1 ·
What is the Initial Speed and Time for a Baseball to Clear a Wall in a Home Run?
- Debate123
- · Replies 6 ·
Very different pressure problem
- NasuSama
- · Replies 9 ·
Electron and Proton Binding energy
- Lolagoeslala
- · Replies 1 ·
Exploding shell at the top of its trajectory
- johnhuntsman
- · Replies 2 ·
When are two equal and opposite forces about an axis not a couple
- mrcotton
- · Replies 8 ·
Linearising Eqn for Fractal dimension
- CAF123
- · Replies 3 ·
Angular Acceleration of toy train
- carleon
- · Replies 4 ·
Change in gravitation potential energy in space
- Lolagoeslala
- · Replies 5 ·