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प्रश्न
The table below shows the distance travelled by two vehicles A and B during each second:
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Distance travelled by A (m) | 0 | 20 | 80 | 180 | 240 | 300 | 360 | 420 |
| Distance travelled by B (m) | 0 | 10 | 40 | 90 | 160 | 250 | 360 | 490 |
Which vehicle is ahead at the end of 7th second and by how much?
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उत्तर
Vehicle B is ahead at the end of 7th sec and by 70 m.
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संबंधित प्रश्न
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(v) Find the acceleration from 0 to 4 s and retardation from 4 s to 6 s.
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Ashok starts from his house and travels 3 km to reach his school. On finding the school gates closed, he returns to his house. What is?
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Fill in the boxes.
| S.No | First Move | Seconde Move | Distance (m) | Displacement |
| 1. | Move 4 metres east | Move 2 metres west | 6 | 2 m east |
| 2. | Move 4 metres north | Move 2 metres south | ||
| 3. | Move 2 metres east | Move 4 metres west | ||
| 4. | Move 5 metres east | Move 5 metres west | ||
| 5. | Move 5 metres south | Move 2 metres north | ||
| 6. | Move 10 metres west | Move 3 metres east |
The displacement covered by the second hand of radius V in a clock after one revolution is ______.
A quantity that has both magnitude and direction is ______.
