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प्रश्न
Explain the following concept in your own words with everyday examples:
Distance
उत्तर
It is the actual path length covered by an object during its motion. It is a scalar quantity.
For example, when we go to a mall for shopping from our house and then return to the house, the distance travelled by us would be twice the distance between our house and the mall.
संबंधित प्रश्न
Define displacement. State its unit.
A body is moving in a straight line and its displacement at various instants of time is given in the following table
| Time (s) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Displacement (m) | 2 | 6 | 12 | 12 | 12 | 18 | 22 | 24 |
Plot the displacement-time graph and calculate
(i) Total distance travelled in the interval 1 s to 5 s.
(ii) Average velocity in time interval 1 s to 5 s.
A body starts from rest with uniform acceleration 2 m s-2. Find the distance covered by the body in 2 s.
Define Displacement.
How can you find the following?
Velocity from a displacement – time graph.
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?
The displacement of Ashok
A satellite makes a complete round along its circular orbit. What is its displacement?
An object is thrown vertically upwards. It rises upto a height H and then returns to its initial position. Calculate
The total distance traveled by the object
The graph shows how the velocity of a scooter varies with time in 50 s.
Work out: The distance traveled in 10 s, 20 s, and 50 s.
A 50 m long train passes over a bridge at a speed of 30 km/h. If it takes 36 seconds to cross the bridge, calculate the length of the bridge.
