Week 1 day 2 announcements
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Make sure you check the calendar and day page after every class in case there are changes Books in Bookstore?

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Week 1 Day 2 Announcements

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Week 1 day 2 announcements

Make sure you check the calendar and day page after every class in case there are changes

Books in Bookstore?

While participating in the problem solving session is important, you need to be in the one associated with this class => Phyc 157 – 001 or other sessions designated by Dr. SaulTaking the Phyc 157 from the other P151 class will not be that useful

Remember to take the Supplemental Help Time Survey by midnight tonight.

Problem Solving Sessions will meet today at 11 and at noonand Thursday at 11 AM

Week 1 Day 2 Announcements


Week 1 day 2 announcements

Questions about the class

  • How percentage of class points do you need to get a B?

    • 70

    • 75

    • 80

    • 85

    • 90

Slide 1-1


Week 1 day 2 announcements

Answer

  • How percentage of class points do you need to get a B?

    • 70

    • 75

    • 80

    • 85

    • 90

Slide 1-2


Week 1 day 2 announcements

Questions about the class

  • If you have missed more than one day of class due to illness, where can you go to get an excused absence?

    • Instructor

    • Physics Department Chair

    • Dean of Student Services

    • Your Academic Advisor

    • Your major department chair

Slide 1-1


Week 1 day 2 announcements

Questions about the class

  • If you have missed more than one day of class due to illness, where can you go to get an excused absence?

    • Instructor

    • Physics Department Chair

    • Dean of Student Services

    • Your Academic Advisor

    • Your major department chair

Slide 1-1


Week 1 day 2 announcements

  • Times for Problem Solving (Discussion) Sessions

    • I can attend one of the specified Problem Solving Sessions

    • I could but probably will not attend one of the specified problem solving sessions

    • I cannot attend any of the specified problem Solving Sessions due to other time commitments

  • Case 1

  • Wed. @ 11 AM, Wed. @ noon, and Thurs. @ 11 AM

  • Case 2

  • Wed. @ 11 AM, Wed. @ noon, and Wed. @ 5 PM

  • Case 3

  • Wed. @ 10 AM, Wed. @ 11 AM, and Thurs. @ 11 AM

Slide 1-2


Course format like class on shakespeare

Before class, learn material from reading - focus on key ideas, express them in your own words

In class, build understanding of readings through activities and learn to apply ideas

Homework, practice what you learn and deepen understanding

Course Format - Like class on Shakespeare


Week 1 day 2 announcements

Semester Theme

Learning to understand and how to analyze motion

Describing Motion

Forces

Momentum

Energy

Circular Motion

Rotational Motion

Oscillations and Waves

Thermodynamics

Fluids

Slide 1-7


Week 1 day 2 announcements

Units

Is a penny equal to a dollar?

Start with $ 0.10 = 10 cents

Square both sides

$ .001 = 100 cents

Does a penny (100 cents) = dollar? (why not?)

Slide 1-7


Week 1 day 2 announcements

Units

How fast is 50 m/s in miles per hour?

Being able to convert between English units and Metric units is considered by the University to be a major course goal

Slide 1-7


Week 1 day 2 announcements

Units

Is pi x 107 a good representation of the number of seconds in a year?

Slide 1-7


Good conversions to know or have handy

Rule of Thumb - Approximations

1 m/s ~ 2 mph

2 lbs ~ 1 kg

1.6 km = 1 mi < = > 1 km = 0.6 km

1 liter ~ 1 quart

More exact conversions

2.54 cm = 1 inch

1.609 km = 1 mi < = > 1 km = 0.621 mi

2.2 lbs = 1 kg

Good Conversions to Know (or have handy)


Week 1 day 2 announcements

Slide 1-31


Week 1 day 2 announcements

Slide 1-28


Week 1 day 2 announcements

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Week 1 day 2 announcements

Slide 1-30


Week 1 day 2 announcements

Reading Quiz

  • What is the difference between speed and velocity?

    • Speed is an average quantity while velocity is not.

    • Velocity contains information about the direction of motion while speed does not.

    • Speed is measured in mph, while velocity is measured in m/s.

    • The concept of speed applies only to objects that are neither speeding up nor slowing down, while velocity applies to every kind of motion.

    • Speed is used to measure how fast an object is moving in a straight line, while velocity is used for objects moving along curved paths.

Slide 1-5


Week 1 day 2 announcements

Answer

  • What is the difference between speed and velocity?

    • Speed is an average quantity while velocity is not.

    • Velocity contains information about the direction of motion while speed does not.

    • Speed is measured in mph, while velocity is measured in m/s.

    • The concept of speed applies only to objects that are neither speeding up nor slowing down, while velocity applies to every kind of motion.

    • Speed is used to measure how fast an object is moving in a straight line, while velocity is used for objects moving along curved paths.

Slide 1-6


Week 1 day 2 announcements

Reading Quiz

  • The quantity 2.67 x 103 m/s has how many significant figures?

    • 1

    • 2

    • 3

    • 4

    • 5

Slide 1-7


Week 1 day 2 announcements

Answer

  • The quantity 2.67 x 103 m/s has how many significant figures?

    • 1

    • 2

    • 3

    • 4

    • 5

Slide 1-8


Week 1 day 2 announcements

How to describe motion

What information do you need to communicate to be able to tell someone how to reproduce a motion?

Slide 1-7


Week 1 day 2 announcements

How to describe motion

  • What information do you need to communicate to be able to tell someone how to reproduce a motion?

    • Frame of reference or reference frame

    • Origin

    • Where to start

    • What direction to start moving

    • What speed to start moving with

    • Changes in direction or speed

    • Where to stop

    • Timing

Slide 1-7


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