Q. The average speed of a mail is 0.020 miles/hour and
that of a leopard is 70 miles /hour. Convert these speed
in ST units
Answers
Hello Dear.
Given ⇒
Average Speed of the Snail = 0.020 miles/hours.
∵ The S.I. Unit of Speed = m/s.
So, converting the Quantity into m/s.
∵ 1 miles = 1609.34 m.
∴ 0.020 miles = 0.020 × 1609.34
= 32.1868 m.
Time = 1 hrs.
= 60 × 60 seconds.
= 3600 seconds.
∴ Average Speed of the Snail in km/hr. = 32.1868/3600 m/s.
= 0.00894 m/s.
_______________________
Speed of the Leopard = 70 miles/hours.
70 miles = 70 × 1609.34 km.
= 112653.8 m.
1 hrs= 3600 seconds.
∴ Speed of the Leopard in km/hr. = 112653.8 / 3600 m/s.
= 31.29 m/s.
Hence, the Speed of the Leopard in m/s is 31.29 m/s.
Hope it helps.
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