DAY 14

ESSENTIAL QUESTION:

What is motion? What factors influence how and why things move?

#Goals: SWBAT...

1. Solve speed and velocity problems 

2. Convert units when necessary

WARM-UP (4 min). 

Solve the following in your notes (show your work - use the GUESS method)

Given, Unknown, Equation, Substitute, Solve

1. A bike travels at a constant speed of 4.0 m/s for 5.0 s. How far does it go?

2. Light from the Sun reaches Earth in 8.3 min. The speed of light is 3.00 x 108 m/s. In meters, how far is Earth from the Sun?

CLASSWORK

1. #014A: Speed/Velocity Scalar/Vector Quiz (formative assessment)

Let's assess your skills. Check your answers post-quiz, and reflect on the answers you got wrong. 

2. Lab #1 Return

     - 3 days for revisions (by Friday)

    - Scoring:

        - check: correct

        - check minus: mostly correct. minor error

        - X: huge mistakes, or didn't attempt

3. #014B: Practice Problems #1 (15 min)

Solve the following three problems. Show your work by using the GUESS method

    A. A car is moving down a street at 55 km/h. A child suddenly runs into the street. If it takes the driver 0.75 s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?

    B. You and a friend each drive 50.0 km. You travel at 90.0 km/h; your friend travels at 95.0 km/h. How long will your friend have to wait for you at the end of the trip?

    C. You plan a car trip for which you want to average 90 km/h. You cover the first half of the distance at an average speed of only 48 km/h. What must your average speed be in the second half of the trip to meet your goal? Is this reasonable? Note that the velocities are based on half the distance, not half the time.

LEARNING AT HOME (HW)

Complete practice from #014B

    - stuck on #C? Here's a hint: LINK

#014D: Video notes and edpuzzle answers (for Wednesday): VIDEO: https://edpuzzle.com/media/57b784307280a645327bd6bf

Notes: https://www.flippingphysics.com/uploads/2/1/1/0/21103672/0011_lecture_notes_-_understanding_walking_and_graphing_position_as_a_function_of_time.pdf

Old stuff below. Ignore. 

SAVE FOR LATER

 013A: Chromebook norms:

    A. Brainstorm as many as possible in 2 minutes

    B. Discuss

    - what not to do

        - run

        - inappropriate things

            - not school related

        - no liquids next to it

        - try not to stack

        - don't charge your phone

    - what to do:

        - use two hands

        - keep on desk

        - close when not using/during lecture (maybe)

        - charge when done

        - get your #

        - correct slot

    C. Pass out