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A car is moving along a straight track. Its speed is changing with time as shown. Which of the following statements is correct?
Given that the graph between the speed and time. From the figure, it is clear that speed is changing with time. In starting it increases and then decreases so that means at any instance speed will be zero. We know that acceleration is directly proportional to velocity. So the acceleration will be zero once on the path.
There are 2 hills, A and B, in a region. If hill A is located N30?E of hill B, what will be the direction of hill B when observed from hill A? (N 30° E means 30° from the north towards east).
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