Q4 of 30 Page 107

What is the quantity which is measured by the area occupied below the velocity-time graph?

The slope of the line on a velocity-time graph reveals useful information about the acceleration of the object. The magnitude of distance is measured by the area occupied below the velocity-time graph.


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2

What can you say about the motion of an object whose distance time graph is a straight line parallel to the time-axis?

 3

What can you say about the motion of an object if its speed-time graph is a straight line parallel to the time axis?

 1

A bus starting from rest moves with a uniform acceleration of 0.1 ms-2 for 2 minutes. Find:

(a) The speed acquired.


(b) The distance travelled.

 2

A train is travelling at a speed of 90 km h-1. Brakes are applied so as to produce a uniform acceleration of, -0.5 m s-2. Find how far the train will go before it is brought to rest.