Question

D. LONG-ANSWER QUESTIONS: Answer these questions. 1. What is the SI system of units? Name two other systems of units. 2. A car travels a distance of 270 kilometres in 41/2 hours. Find its speed. 3. A cheetah runs a distance of 200 metres in 10 seconds. What is the speed of the cheetah in a. m/s, b. km/h? 4. An aeroplane takes 7 hours to travel from New Delhi to London. If the plane travels at a uniform speed of 950 kilometres per hour, find the distance between New Delhi and London. 5. Draw a typical distance-time graph for uniform motion. 6. Draw a distance-time graph from the following data (Table 1) showing the distance covered?​

Answer 1

Answer:

si unit sand for international students