A horizontal line on a distance-time graph means the object is
A. moving at a constant speed.
B. moving faster.
C. slowing down.
D. at res

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Asked 9/24/2012 11:39:04 AM

Updated 8/23/2014 10:03:15 AM

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Question

Asked 9/24/2012 11:39:04 AM

Updated 8/23/2014 10:03:15 AM

1 Answer/Comment

This conversation has been flagged as incorrect.

Flagged by jeifunk [8/23/2014 10:03:15 AM]

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A horizontal line on a distance-time graph means the object is moving at a constant speed.

Added 8/23/2014 10:03:14 AM

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A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. How can the train’s acceleration be described?
A. The train’s acceleration is positive.
B. The train is not accelerating.
C. The train will come to rest in 6 minutes.
D. The train’s acceleration is negative
**Weegy:** A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. The train’s acceleration is negative. (More)

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Expert Answered

Updated 6/28/2014 5:02:58 PM

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What is the most appropriate SI unit to express the speed of a cyclist in the last leg of a 10-km race?
A. km/s
B. km/h
C. mm/s
D. cm/h
**Weegy:** The most appropriate SI unit to express the speed of a cyclist in the last leg of a 10-km race is: km/h. (More)

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Updated 6/28/2014 5:01:51 PM

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