Question

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.

Answer 1

The answer I’ll be the last one

Answer 2

Gregory must have stopped sometime during his trip.

Step-by-step explanation:

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