Express each of the following in SI units:
5 feet 2 inches (the average height of an Indian female).
5 feet 2 inches:
5 feet 2 inches = 62 inches
Express each of the following in SI units:
93 million miles (this is the distance between the earth and the sun)
93 million miles:
1 mile = 1.60 kilometre = 1.60 x 103 m
93 million miles = 93 x 106 miles
A train covers a distance of 144 kilometers in two hours. What is the speed of the train in m/s.
Distance covered = 144 kilometers
= 144 x 1000 m
Time taken = 2 hours = 2 x 60 x 60 second