April 3

(see march 31)

April 4/5

Definitions of average speed and average velocity.

Most of the class was spent working on and going over questions from this worksheet.

AVERAGE SPEED = DISTANCE/TIME

AVERAGE VELOCITY = DISPLACEMENT/TIME

(see march 31)

April 4/5

Definitions of average speed and average velocity.

Most of the class was spent working on and going over questions from this worksheet.

AVERAGE SPEED = DISTANCE/TIME

AVERAGE VELOCITY = DISPLACEMENT/TIME

ws_average_speed_and_velocity_hamsters_and_salamanders_and_cowboys.docx | |

File Size: | 15 kb |

File Type: | docx |

April 6/7

Definition of acceleration.

ACCELERATION = (CHANGE IN VELOCITY)/TIME

This is a challenging idea at first and there are many misconceptions held by many people. We will try to dispel those misconceptions.

In particular we will talk about the meaning of POSITIVE and NEGATIVE acceleration (it's probably not what you think).

We then went through some examples.

Definition of acceleration.

ACCELERATION = (CHANGE IN VELOCITY)/TIME

This is a challenging idea at first and there are many misconceptions held by many people. We will try to dispel those misconceptions.

In particular we will talk about the meaning of POSITIVE and NEGATIVE acceleration (it's probably not what you think).

We then went through some examples.

ws1 chapter 9 acceleration worksheet.docx | |

File Size: | 23 kb |

File Type: | docx |

April 10/11

Average velocity of an accelerating object. When objects accelerate they change their velocity. The object may speed up (go faster) or slow down (go slower); in either case we can find the AVERAGE VELOCITY by simply finding the average of the initial velocity and the final velocity.

In this way we can find the displacement of an object that is moving with a changing velocity:

AVERAGE VELOCITY = (FINAL VELOCITY + INITIAL VELOCITY)/2

Notice that this is not a fancy-pants physics formula, it is simply the average of 2 numbers.

DISPLACEMENT = AVERAGE VELOCITY x TIME

April 12/13

Quiz.

Lab: Motion with constant acceleration.

April 18/19

Graphing motion with constant velocity.

Graph matching activity.

April 20/21

More graphing. This is the most "mathy" topic of the year. Plotting and reading graphs of motion with constant acceleration.

We learn the basic shapes of the graphs of position (displacement) vs. time, velocity vs. time and acceleration vs time.

Average velocity of an accelerating object. When objects accelerate they change their velocity. The object may speed up (go faster) or slow down (go slower); in either case we can find the AVERAGE VELOCITY by simply finding the average of the initial velocity and the final velocity.

In this way we can find the displacement of an object that is moving with a changing velocity:

AVERAGE VELOCITY = (FINAL VELOCITY + INITIAL VELOCITY)/2

Notice that this is not a fancy-pants physics formula, it is simply the average of 2 numbers.

DISPLACEMENT = AVERAGE VELOCITY x TIME

April 12/13

Quiz.

Lab: Motion with constant acceleration.

April 18/19

Graphing motion with constant velocity.

Graph matching activity.

April 20/21

More graphing. This is the most "mathy" topic of the year. Plotting and reading graphs of motion with constant acceleration.

We learn the basic shapes of the graphs of position (displacement) vs. time, velocity vs. time and acceleration vs time.