2. Arun changes his position from a point at 300 m from his home to a point 900 m from his home. He does this in 300 seconds. Calculate his speed.
3. Sia needs to attend a party at her relative’s place which is 40 km from her home. Due to heavy traffic, it took her 2 hours by car to reach the destination. Calculate the speed at which she drove the car. Also convert the speed to its SI unit.
4. Calculate the speed of an object which changes its position by 500 m in 20 s.
5. A distance of 450 km between Delhi and Amritsar is covered by a train in 9 hours. Calculate the speed of the train during this journey.
6. A car covers a distance of 10 km in 20 s. Calculate its speed in SI unit.
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i don't know please do your self
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