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Answer: A race car driver must average 200.0 km/h over the
Chapter 2, Problem 79GP(choose chapter or problem)
QUESTION:
A race car driver must average 200.0 km/h over the course of a time trial lasting ten laps. If the first nine laps were done at an average speed of 196.0 km/h what average speed must be maintained for the last lap?
Questions & Answers
QUESTION:
A race car driver must average 200.0 km/h over the course of a time trial lasting ten laps. If the first nine laps were done at an average speed of 196.0 km/h what average speed must be maintained for the last lap?
ANSWER:
Step 1 of 3
Given data,
Average speed the race car must maintain for 10 laps:
Average speed for first 9 laps
We will calculate the time period for first 9 laps and last lap and use that to equate with the total 10 laps.