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19 and 20

Posljednje ažuriranje about 5 years ago

2 questions

1

1

Pitanje 1

1.

According to Experiment 1, when only Bulb 4 was lit, how far did the students have to move the apparatus toward the wall in order to achieve the baseline brightness value?

1.8 meters

1.7 meters

0.3 meters

0.2 meters

Pitanje 2

2.

According to Experiment 2, the combination of which two bulbs required the students, during the trial, to move the apparatus the greatest distance from its starting position:

1 and 3

5 and 3

2 and 3

2 and 4