1.

A girl runs a distance of 300 meters in 60 seconds. Calculate the speed of the girl in (a) m/s & (b) km/h.

Answer»

ANSWER:

(a) speed = 300÷60

=5m/s

(b) 300 m =300/1000km

=3/10

60 SEC = 60/3600 HR

=1 /60 hr

speed = 3/10 ÷ 1/60

= 3/10 ×60

= 18 km/hr



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