You have been hired to plow a field for a farmer. The tractor you are driving ca
ID: 3420152 • Letter: Y
Question
You have been hired to plow a field for a farmer. The tractor you are driving can travel at 6mph when pulling a 24 foot disk plow. If the field is 1,280 acres, how many hours will it take you to turn over this field? Assume an efficiency for the operator of 90%.You have been hired to plow a field for a farmer. The tractor you are driving can travel at 6mph when pulling a 24 foot disk plow. If the field is 1,280 acres, how many hours will it take you to turn over this field? Assume an efficiency for the operator of 90%.
Explanation / Answer
SPEED = 6 MPH DISK PLOUGH WIDTH = 24 ' . AREA OF FIELD = 1280 ACRES = 1280*43560 SQ.FT= 55756800 SQ.FT LET IT BE OF DIMENSIONS L & B …….L*B = 55756800 SQ.FT TOTAL DISTANCE TO TRAVEL WITH 24 ' DISK PLOUGH =L*B/24 2323200 FEET TOTAL DISTANCE TO TRAVEL WITH 24 ' DISK PLOUGH=2323200/5280= 440 MILES HENCE TIME NEEDED TO PLOUGH WITH 90% EFFICIENCY = 440/(24*0.9)= 20.37037 HRS HENCE TIME NEEDED FOR TURN OVER OF THE FIELD = 20.37037 HRS ANSWER
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