Science and Measurement

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Presentation transcript:

Science and Measurement Chapter 1

Time and Distance Two ways to think about time: What time is it? How much time?

Time and Distance Time comes in mixed units. Seconds are very short. Hours and minutes are more convenient for everyday time measurement.

Measurement

Measurement

Speed The speed of an object is a measure of how quickly the object gets from one place to another. To determine a speed, you need to know two things: the distance traveled. the time taken.

Speed distance traveled (m) speed (m/sec) v = d t time taken (sec)

Example Problem An IPC student is late for class and has to run to get to their classroom. The classroom is 80 meters away and it takes them 20 seconds to get there. What is their speed? V = d/t v= ? d= 80m t= 20s V= 80m/20s V= 4m/s