Velocity y Graph review

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Presentation transcript:

Velocity y Graph review

Speed and direction are needed to describe velocity

Which of the following units describes velocity? a. 50 km/hr, north b. 50 km/hr c. 50 km/hr/hr d. north

. In a position time graph the slope represents The speed

What is the velocity of someone walking to the back of a bus if the person is walking 2 m/s south and the bus is moving 20 m/s to the north? 18 m/s north

What is the speed of the object? Speed= distance = 50 m = 10 m/s time 5 s

How far is the car moving between seconds 40 and 60? It is stopped.

What is happening to the speed? It is increasing

What is the speed between 3 and 7? 2 km/min