8. The circumference of a wheel is 12.5 metres and it moves 2.5 times in a second. If
1 mile = 1.6 Km, determine the time required to move 100 miles by the wheel.
Ans 1 hr 25 min 20 sec
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The circumference of a wheel is 12.5 metres and it moves 2.5 times in a second. If 1 mile = 1.6 Km, determine the time required to move 100 miles by the wheel. Ans 1 hr 25 min 20 sec
Step-by-step explanation:
correct answer
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Answer:
Step-by-step explanation:
speed=12.5÷2.5=5
100miles=1.6×100=160km
160÷5 =32
32 km÷m÷sec=32 sec ×km ×100÷1km=3200 seconds
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