A automobile climbed up a hill at a consistent speed of 30 m/s before descending at a speed of 70 m/s. (a) What was the average speed during the journey, excluding the time to turn around? (b) What was the trip's average acceleration?
A automobile climbed up a hill at a consistent speed of 30 m/s before descending at a speed of 70 m/s. (a) What was the average speed during the journey, excluding the time to turn around? (b) What was the trip's average acceleration?
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Transcribed Image Text:A automobile climbed up a hill at a consistent speed of 30 m/s before descending at a speed of 70 m/s. (a) What was
the average speed during the journey, excluding the time to turn around?
(b) What was the trip's average acceleration?
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