The speed of the Jogger in inches/sec and km/hr is
a) 81.21 in/s
b) 7.43 km/h
Given data :
Time = 13 minutes = 0.2166 hour = 780 secs
Distance covered = 1 mile = 1609 meters = 1609/1000 km = 1.609 km
Distance covered = 1 mile = 160900 cm
1in = 2.54cm
So 1 mile = 160900 /2.54
= 63346.45 inches
Determine the speed of the jogger using the equation below
Speed = distance covered / time
a) Speed in ( in/secs )
Speed = 63346.45 inches / 780 secs
Speed = 81.21 in/s
b) Speed in ( km/h )
Speed = 1.609 km / 0.2166 hour
Speed = 7.43 km/h
Hence, The speed of the Jogger is : 81.21 in/s, 7.43 km/h.
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