Speed and distance-time graph — task. Science CBSE, Class 7.

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1. \(1\) \(km\)\(/\)\(h\) is equal to

\(18\)\(/\)\(5\) \(m/s\)
\(5\)\(/\)\(18\) \(m/s\)
\(50\)\(/\)\(3\) \(m/s\)

2. \(1\)\(m\)\(/\)\(s\) is equal to

\(50\)\(/\)\(3\) \(km/h\)
\(18\)\(/\)\(5\) \(km/h\)
\(5\)\(/\)\(18\) \(km/h\)

3. In distance-time graph, the horizontal line parallel to the time axis shows that an object is

At rest
Moving at a constant speed
Moving at a varying speed

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