Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
How Do You Calculate the Magnitude of a Vector in the Form Constant * (i + j)?
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Problem finding height of a cliff
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Relative Motion and Two-Dimensional Motion
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How Do You Calculate the Tension in a Rope?
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Finding the Torque of Normal Force for a Sliding Block on an Inclined Plane
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What Force Stops a 10kg Block from Sliding on a 45-Degree Frictionless Ramp?
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Projectile motion in serious need of help
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Two stones dropped at the same time. Quick question, .
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Concept of the Electric Field(picture included)
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SHM Pendulum length/gravity question
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Firing Cannon to Start Avalanche: Angle Calculation
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What is the Fundamental Frequency in Question 6?
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Calculating Maximum Acceleration and Speed for a 200kg Load with a 5kW Winch
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Find the node voltages of the circuit
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Calculating the Angle for a Basketball Free Throw: A 2D Motion Problem
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How Long Will It Take the Car to Catch the Truck?
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Amplitude of vibration Effecting Frequency.
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Calculating Average Acceleration of a Tennis Ball During Contact with the Floor
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Projectile Motion initial speed
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How Do You Find the Closest Point to a Vector on a Line?
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One Dimensional Motion Homework
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How to calculate energy stored in a parallel-plate capacitor?
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Basic Velocity -> Speed -> Position of particle
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Thrust of a Rocket: Calculating Force
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Solving for Acceleration in an Incline Plane Problem: m1=4.50kg, m2=2.80kg
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Electric Field lines running high to low voltage
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Electric potential of a line of charge
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Infinitely long prism is sliced
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How do you draw v-t, a-t and d-t graphs
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Vector Addition Using Unit Vector Notation
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Single Slit Diffraction find central maximum
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Conservation of momentum of cannon balls
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Physics projectile problem - finding vertical range using the horizontal range
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What is the significance of using a number like 2x10-10 in Intro Physics?
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Physics Uncertainity + resistor calculations
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Why Does Doubling Occur in My Illuminance Calculation?
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Finding the force required to stop an object
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(Statics)Hammer and nail force and tension
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Particle moving with radial velocity
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Calculating Energy and Height in a Vertical Spring System
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Exercise on Kinetics using derivatives.
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Constant Acceleration Problem - Two bodies with different accelerations
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Hanging pith ball problem with unequal masses and charges
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How to calculate the voltage on a resistor at a power cable
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Solving Wedge-like Problem with Physics
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Finding tension in cords with given resultant force
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How Does Current Flow in a Circuit with Bulbs in Series and Parallel?
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Pulley question / rotational kinematics
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How to approach a problem involving pressure and volume?
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Introductory physics force problems
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Heights of two balls thrown at the same time
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Finding displacement+distance from a v-t graph
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Physics test-Projectile Motion shotputter
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Finding the horizontal range of a projectile when maximum height is not known
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Understanding Forces in a Train System
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Ball on a String: Tension and Speed Formulas for Circular Motion
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How can A be expressed in terms of n as a unit vector?
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Vector perpendicular to two vectors
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Current after passing all resistors
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Solving the Physics Problem: Density of Hot Air
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Determining the function using graphs
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Solving Force Combinations: 6N + 8N = 14N, 2N, 10N
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Optics - Finding the height of a mirror
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Question on the equation for the period of a pendulum
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How Do You Calculate the Stopping Distance After a Collision?
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Pressure Formula Homework: Solve 0.9/0.9 +0.1 = 0.9
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Electrical Circuits - Find the power and Voltage
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Average and instantaneous velocity(Orginal right?)
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What multiplicative factor does speed and wavelength change by?
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Understanding Axial Force in Spring System
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Frequency of oscillating electric dipole in uniform field without using diff eq
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Derivation of the average translational kinetic energy of a molecule
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Does hooke's law account for the force of friction on a horizontal spring?
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Charge density in a resistor issue
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Plotting a Radial Probability Function
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Electric Charge given two forces and distance
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Why Does Setting the Derivative to Zero Find the Max Range in Projectile Motion?
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Calculating Depth of Mercury Column at Higher Temperature
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Diffraction grating angular separation
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Calculating Time for a Locomotive to Reach 33 m/s from 1.7 m/s2
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What Are the Dimensions of Tension and Linear Mass Density?
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Given the ionization energy, find the number of protons
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What Determines the Velocity Extremes in Projectile Motion?
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What are the values of a and b in this vector equation?
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Vector from origin and two points/please explain how to solve it
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Find the dimensions of surface tension
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Proprtionality Statement Graphing Procedures
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Testing Wave Properties in a School Lab: Longitudinal or Transverse?
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Converted the 110W (j/s) into kWh
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Turbine Efficiency: Calculating Power & Combined Efficiency
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Derive time-dependent current for circuit
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Vector Component Words Problem,
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Electric charge/Colombs law problems
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Will the Barometer level change?
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Required acceleration for takeoff
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Vector Problem - is this even solvable?
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When Will the Package Hit the Ground?
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Intro Physics Question: Avoiding Collision on NY State Thruway at 106.8 km/hr
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Kinematics in one dimention, where do two balls meet?
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Electric Field at the center of a square
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