2498 views

Lec 54 - Momentum: Ice skater throws a ball

Momentum: Ice skater throws a ball A simple conservation of momentum problem involving an ice skater and a ball

Video is embedded from external source so embedding is not available.

Video is embedded from external source so download is not available.

Channels: Physics (General)

Tags: Momentum: Ice skater throws a ball

Uploaded by: ( Send Message ) on 08-09-2012.

Duration: 6m 0s

Here is the next lecture for this course

No content is added to this lecture.

Go to course:

This video is a part of a lecture series from of khan

Lecture list for this course

Lec 1 - Introduction to Vectors and Scalars

Lec 2 - Calculating Average Velocity or Speed

Lec 3 - Solving for Time

Lec 4 - Displacement from Time and Velocity Example

Lec 5 - Acceleration

Lec 6 - Newton's First Law of Motion

Lec 7 - Newton's Second Law of Motion

Lec 8 - Newton's Third Law of Motion

Lec 9 - Airbus A380 Take-off Time

Lec 10 - Airbus A380 Take-off Distance

Lec 11 - Why Distance is Area under Velocity-Time Line

Lec 12 - Average Velocity for Constant Acceleration

Lec 13 - Acceleration of Aircraft Carrier Takeoff

Lec 14 - Race Cars with Constant Speed Around Curve

Lec 15 - Introduction to Gravity

Lec 16 - Mass and Weight Clarification

Lec 17 - Gravity for Astronauts in Orbit

Lec 18 - Would a Brick or Feather Fall Faster

Lec 19 - Deriving Displacement as a Function of Time, Acceleration and Initial Velocity

Lec 20 - Plotting Projectile Displacement, Acceleration, and Velocity

Lec 21 - Projectile Height Given Time

Lec 22 - Deriving Max Projectile Displacement Given Time

Lec 23 - Impact Velocity From Given Height

Lec 24 - Visualizing Vectors in 2 Dimensions

Lec 25 - Projectile at an Angle

Lec 26 - Different Way to Determine Time in Air

Lec 27 - Launching and Landing on Different Elevations

Lec 28 - Total Displacement for Projectile

Lec 29 - Total Final Velocity for Projectile

Lec 30 - Correction to Total Final Velocity for Projectile

Lec 31 - Projectile on an Incline

Lec 32 - Unit Vectors and Engineering Notation

Lec 33 - Clearing the Green Monster at Fenway

Lec 34 - Green Monster at Fenway Part 2

Lec 35 - Optimal angle for a projectile part 1

Lec 36 - Optimal angle for a projectile part 2 - Hangtime

Lec 37 - Optimal angle for a projectile part 3 - Horizontal distance as a function of angle (and speed)

How to Find the Optimal Angle for a Projectile Using Calculus Part 4

Lec 39 - Normal Force and Contact Force

Lec 40 - Normal Force in an Elevator

Lec 41 - IInclined Plane Force Componentsnclined Plane Force Components

Lec 42 - Ice Accelerating Down an Incline

Force of Friction Keeping the Block Stationary

Lec 44 - Correction to Force of Friction Keeping the Block Stationary

Lec 45 - Force of Friction Keeping Velocity Constant

Lec 46 - Intuition on Static and Kinetic Friction Comparisons

Lec 47 - Static and Kinetic Friction Example

Lec 48 - Introduction to Tension

Lec 49 - Tension (part 2)

Lec 50 - Tension in an accelerating system and pie in the face

Lec 51 - Moving pulley problem (part 1)

Lec 52 - Moving pulley problem (part 2)

Lec 53 - Introduction to Momentum

Lec 55 - 2-dimensional momentum problem

Lec 56 - 2-dimensional momentum problem (part 2)

Lec 57 - Introduction to work and energy

Lec 58 - Work and Energy (part 2)

Lec 59 - Conservation of Energy

Lec 60 - Work/Energy problem with Friction

Lec 61 - Introduction to mechanical advantage

Lec 62 - Mechanical Advantage (part 2)

Lec 63 - Mechanical Advantage (part 3)

Lec 64 - Center of Mass

Lec 65 - Introduction to Torque

Lec 66 - Moments

Lec 67 - Moments (part 2)

Lec 68 - Unit Vector Notation

Lec 69 - Unit Vector Notation (part 2)

Lec 70 - Projectile Motion with Unit Vectors

Lec 71 - Projectile Motion with Unit Vectors (part 2)

Lec 72 - Projectile Motion with Ordered Set Notation

Lec 73 - Centripetal Force and Acceleration Intuition

Lec 74 - Visual Understanding of Centripetal Acceleration Formula

Lec 75 - Relationship between angular velocity and speed

Lec 76 - Calculus proof of centripetal acceleration formula

Lec 77 - Loop De Loop Question

Lec 78 - Loop De Loop Answer part 1

Lec 79 - Loop De Loop Answer part 2

Lec 80 - Acceleration Due to Gravity at the Space Station

Lec 81 - Space Station Speed in Orbit

Lec 82 - Conservation of angular momemtum

Lec 83 - Introduction to Newton's Law of Gravitation

Lec 84 - Gravitation (part 2)

Lec 85 - Intro to springs and Hooke's Law

Lec 86 - Potential energy stored in a spring

Lec 87 - Spring potential energy example (mistake in math)

Lec 88 - Introduction to Harmonic Motion

Lec 89 - Harmonic Motion Part 2 (calculus)

Lec 90 - Harmonic Motion Part 3 (no calculus)

Lec 91 - Fluids (part 1)

Lec 92 - Fluids (part 2)

Lec 93 - Fluids (part 3)

Lec 94 - Fluids (part 4)

Lec 95 - Fluids (part 5)

Lec 96 - Fluids (part 6)

Lec 97 - Fluids (part 7)

Lec 98 - Fluids (part 8)

Lec 99 - Fluids (part 9)

Lec 100 - Fluids (part 10)

Lec 101 - Fluids (part 11)