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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Human body Physics 2020 question
- sprint84
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How Does Temperature Change Affect Pressure in a Piston-Cylinder System?
- pleasehelpme6
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Solving Ball Clearing Fence: Does It Go Over?
- apiwowar
- · Replies 4 ·
Motion problem for constant acceleration of rabbit
- chroncile
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Calculating the Fourth Mass: A Rope and Four Masses
- Dekoy
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Finding angle in vector component equations
- jaytm2291
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Given mass, distance, and time, calculate power
- MathMajor
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Speed difference between horizontal and downward throws from a building
- J.live
- · Replies 23 ·
Speed for Remaining Time and Distance
- MysticDude
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A high diver jumping off a board (basic force problem)
- AsuraSky
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What Angles Allow a Golf Ball to Land 85 Meters Away?
- physics_noob2
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Find the acceleration vector of the mass
- XwakeriderX
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Why Does a Telephoto Lens Have a Longer Focal Length Than a Single Convex Lens?
- copitlory8
- · Replies 1 ·
2 Two-dimensional motion problems
- MJay82
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Thermodynaics, solving for minimum power to heat water
- copitlory8
- · Replies 22 ·
Finding coefficient of friction given slope
- Carriebun
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Calculating Tension: Forces and Vectors in a 1.8 kg Pendulum with 2.3 m String
- alynnaD
- · Replies 1 ·
Finding lunar gravity from golf ball distances on Earth and moon
- lewenberg
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What angle should the ladder be set up at to prevent slipping?
- TobyDarkeness
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Speed at t = 1.0 ms in SHM with 4.5 ms period
- HZXAHNLfzjSr
- · Replies 3 ·
What Is the Height of the Building in This Free Fall Acceleration Problem?
- pikwa10
- · Replies 1 ·
How Do You Determine the Rise in Temperature of a Rock Falling into Water?
- copitlory8
- · Replies 11 ·
What Does the Constant Quantity x(dy/dt) - y(dx/dt) Represent in 2D SHM?
- NeedPhysHelp8
- · Replies 9 ·
Speed of horizontally launched projectile as function of horizontal distance
- vande060
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Heat Q flows spontaneously from a reservoir at
- copitlory8
- · Replies 2 ·
Two insulated neon tanks mixing through a valve
- copitlory8
- · Replies 10 ·
Question regarding optics(prism)
- shakeysg
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Finding optimal angle and speed for a 90m javelin throw
- Skipe_
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Minimum force to keep 2.172 kg block from sliding down 5.753 kg block
- cas85
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Equations of Motion: Car Travels 60m/s for 10s
- failwhale
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Collisions problem completed - is it correct?
- Hemingway
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Finding True Weight with False Balance
- zorro
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Simple Motion Along a Straight Line Problem
- MysticDude
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One Dimensional Kinematics Problem
- MozAngeles
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Why is displacement less than velocity in free fall?
- zarmewa
- · Replies 15 ·
Newtons Second Law: Finding net forces
- battlebball
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How Much Work Does the Human Heart Perform in a Day?
- Ogakor
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Calculating Electrical Energy Consumption: Joules/Year vs. Joules/Second"
- Ogakor
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Do Lab Report Graphs Need to Include the Origin Point?
- chroncile
- · Replies 4 ·
Spring compression in a taptap loaded with people and animals
- MozAngeles
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Radius of a projectile at the top of its path.
- CornMuffin
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Direction of displacement vector
- dlthompson81
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What is the direction of the resultant force for two applied forces on a car?
- strag
- · Replies 3 ·
When do i use these kinematic formulas (constant-acceleration)
- XwakeriderX
- · Replies 3 ·
Solve Mechanics Homework: Driving Force & Tow Bar Tension
- Doubell
- · Replies 1 ·
RELATIVE MOTION wooden boxcar, sniper, bullets oh my
- auk411
- · Replies 1 ·
Electrical engineering circuit analysis
- circuit_boy
- · Replies 4 ·
Force on a Particle: Find Direction of Movement from Rest
- uchicago2012
- · Replies 5 ·
Velocity of 10 kg mass after 3 s with force 20i + 30j N
- vande060
- · Replies 4 ·
How to Apply Gauss's Law for Symmetrical Electric Objects?
- intervoxel
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What Are the Velocity and Acceleration of a Particle at t = 5.0 s?
- P-Illiterate
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Two blocks on a double incline plane
- XwakeriderX
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Proving Magnitude of Position Vector for Centre of Mass
- metgt4
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Ranking static friction forces on three boxes with different applied forces
- MozAngeles
- · Replies 4 ·
Vector jerk is the 3 derivative?
- XwakeriderX
- · Replies 8 ·
Electric fields and Gauss's Law
- pitrone18
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How Do You Calculate Time in Horizontal Projectile Motion Without an Angle?
- J.live
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Absolute uncertainty in R to the power of negative two
- gcsm
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Instantaneous Velocity Car Problem
- mopar969
- · Replies 7 ·
What is the magnitude of P in a dynamics pulley problem?
- mwelly007
- · Replies 10 ·
Yukawa potential energy function
- astenroo
- · Replies 3 ·
Light Fringes Change When Intensity of One Slit is Reduced
- copitlory8
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Where Did I Go Wrong in Deriving Gravitational Potential Energy?
- Dead Boss
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How Does Tire Pressure Relate to Automobile Weight?
- imnotsmart
- · Replies 10 ·
What time t does the particle first cross the x axis?
- gap0063
- · Replies 1 ·
Conceptual Question pertaining to force
- MozAngeles
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Projectile Motion at an Angle: Calculating Time and Distance
- MozAngeles
- · Replies 4 ·
How Does Velocity Change With Height in Projectile Motion?
- chessismyfort
- · Replies 1 ·
Why does a telephoto lens have a longer focal length than a single convex lens?
- copitlory8
- · Replies 1 ·
Resultant displacement from multiple vector movements
- 2ndperiod
- · Replies 3 ·
Finding Time for Package to Reach Sea Level from Ejection?
- atbruick
- · Replies 6 ·
Projectile motion over a 35 m hill at 30 degrees
- XwakeriderX
- · Replies 10 ·
Solving Gravity Problems in Physics
- gohanssj2a99
- · Replies 1 ·
Violation of the second law of thermodynamics?
- Azorspace
- · Replies 1 ·
Surface Charge Density of shower
- popo902
- · Replies 1 ·
Finding the initial speed of the baseball?
- gap0063
- · Replies 1 ·
Ball in Vertical Circle on End of String, Tangential and Radial Acceleration
- xslc
- · Replies 2 ·
How Is the Net Charge of Shell B Determined Using Gauss's Law?
- popo902
- · Replies 1 ·
Town clock seconds hand speed and centripetal acceleration
- gap0063
- · Replies 1 ·
Determine the magnitude of its maximumradial acceleration
- gap0063
- · Replies 1 ·
Electric field calculation for 3 point charges
- vf_one
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Find tension in this train coupling
- Doubell
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What is the opposite of tension?
- JDoolin
- · Replies 9 ·
Train turning, tangential acceleration and total acceleration
- gap0063
- · Replies 1 ·
Finding the mass of a block on an incline attached to a pulley
- Beachgirl1992
- · Replies 4 ·
Charge density between parallel plates with field of 1.3×10⁶ N/C
- atown
- · Replies 1 ·
Ratio of lengths for open/closed and open/open organ pipes
- erok81
- · Replies 6 ·
One pulley attached between two blocks, both sliding on wood.
- XwakeriderX
- · Replies 4 ·
Conservation momentum for y- axis
- inky
- · Replies 6 ·
Calculating Building Height Using Balloon Drop Experiment
- delfam
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How Is the Total Acceleration of a Car Calculated in Circular Motion?
- Ry122
- · Replies 7 ·
Dynamics with complex equations
- Ry122
- · Replies 5 ·
Baseball thrown backward from moving train
- strag
- · Replies 2 ·
Confusion regarding Thermodynamics - Molar Specific Heats for Gases
- HolyArrow
- · Replies 3 ·
What Is the Acceleration of a 77kg Skier Traveling at 45mph Downhill?
- benjaminwhite
- · Replies 10 ·
Single slit diffraction spacing between 1st and 2nd order dark fringes
- louza8
- · Replies 6 ·
How Do You Solve for Part (D) Using Torque Equations?
- prof chaos
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What happens after the air is evacuated?
- Raven1972
- · Replies 2 ·
Force on springs connecting two current-carrying rods
- cyt91
- · Replies 2 ·
How Do You Calculate Gravitational Field Strength Between Two Planets?
- thereddevils
- · Replies 2 ·