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1 August, 22:37

Gregory is visiting his grandmother, who lives 200 km from his house. While traveling there, Gregory had an average speed of 100 km/h. Which of the following is true about Gregory's trip?

O

A

Gregory must have maintained a constant velocity of 100 km/h.

C

B

Gregory must have maintained a constant speed of 100 km/h.

Gregory must have stopped sometime during his trip.

Gregory must have completed the trip in 2 hours.

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Answers (2)
  1. 1 August, 22:53
    0
    The answer I'll be the last one
  2. 1 August, 23:04
    0
    Gregory must have stopped sometime during his trip.

    Explanation:

    He must have stopped because he would have run out of gasoline.
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