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Were used the following types of vehicles:

electric toy car with remote control mechanical friction toy cars (pull back action)

mechanical toy cars with small engine acted by

drawing with thread

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Put the vehicle to the start

line (time zero)

Write the time and the

distance for three momentsof the vehicle movement.

Write the results in table 1

of worksheet no. 2.

Procedure:

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Was graphically represented the vehicle movement

(distance depending on time)

Were determined:

Was calculated the travel speed for each stage of the

movement.

Were made conclusions from the analysis graph.

d( 231201 ;; dddddd ) i

t ( 231201 ;; tttttt ), unde 00d i00t

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v1

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v1

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v1>v

2>v

3

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v2