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# Speed Practice

Calculate the average velocity of a moving object, given the object's change in position and time.

For problems with calculations use UDRSS:

◻ Units ◻Data ◻Relationship ◻ Substitution ◻Solution

- What is the speed of a sailboat that traveled 100 meters in 120 seconds?

- What is the speed of a baseball that travels 49 meters in 2.4 seconds?

- If a projectile flies north 387 meters in 5.8 seconds, what is its velocity?

- Why did problem 3 ask for velocity when problems 1 and 2 asked for speed?