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 Write the following in scientific notation 6500000 0.00305 0.000000089 504000  Write the following in standard notation 8.3 x 10 -5 9.09 x 10 4 7.08.

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Presentation on theme: " Write the following in scientific notation 6500000 0.00305 0.000000089 504000  Write the following in standard notation 8.3 x 10 -5 9.09 x 10 4 7.08."— Presentation transcript:

1  Write the following in scientific notation  Write the following in standard notation 8.3 x x x x 10 7  Convert the following 36 seconds into milliseconds 0.06 kilowatts into watts 19 deciamps into amps

2 Pg. 1

3  Used to describe motion in reference to something.  A fixed point

4  Distance is the total path taken by an object  Displacement measures the distance between starting and ending points

5  Speed describes how fast an object moves (called a scalar quantity)  Velocity describes speed and direction (called a vector quantity)

6  Formula: distance/time  V=d/t  Units? ____

7  Find the velocity in meters per second of a swimmer who swims 110 m toward the shore in 72 seconds.  Find the velocity in meters per second of a baseball thrown 38 m from third base to first base in 1.7 sec.  Calculate the distance in meters that a cyclist would travel in 5.00 hours at an average velocity of 12.0 km/h to the southwest.

8  A car is traveling east for a distance of 890 meters. It will take the car 37 seconds to travel the distance. What is the cars velocity?  A line of dominos is set up on a table. You push the first domino to make the rest fall. The dominos fall at a velocity of 0.2 m/s down the table. It takes 15 seconds for the last domino to fall. How long was the domino line?  If you run with an average velocity of 2 m/s toward a goal, a total distance of 400 m, how long would it take you?

9  Velocities can be combined to describe the resultant velocity. Ex. You are riding a bus that is traveling 15 m/s east. You stand up and walk toward the back of the bus (now walking east) at 1 m/s. Are you still traveling at the same speed?  To find the resulting velocity, just add the velocities together.

10  The speed at a given point.  Car speedometers measure the speed at a given point.

11 Pg. 3

12  X- axis:  Y- axis:  Type of graph:

13  Data for a runner:  When is the runner going the fastest?  When is the runner moving slower?  When is the runner standing still? Time (s)Position (m)

14  The slope of a distance vs. time graph equals speed.  A slope can be determined by taking the change in the y variable and dividing it by the change in the x variable.  Slope = ∆y/ ∆ x (rise/run)

15  What is the slope of the line?  What is the speed of the bug between 2 and 4 seconds?  What is the speed at 8 seconds?  What might the speed be at 11 seconds?

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