Question

D. LONG-
VER
1. What is the SI system of units? Name two other systems of units.sistam of units
2. A car travels a distance of 270 kilometres in 412 hours. Find its speed.
A cheetah runs a distance of 200 metres in 10 seconds. What is the speed
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Answer 1

Answer:

1) The other two units are, CGS system and MKS system. CGS stands for is for centimeter , gram and second. MKS stands for metre , kilogram and seconds.

2) Answer: 60 km/hr. Hence the speed of the car is 60 km/hr

3) Given Distance = 200 meters. Time = 10 seconds. = 20 m/s. = 72 km/hr.