1.

An elevator descends into a mine shaft at therate of 6 m/min. What will be its positionafter one hour? If it begins to descend from20 m above the ground, what will be itsposition after 45 minutes? 12​

Answer»

Answer:

1m=6m

1h=6*60=360

1h and 20M above ground=6*60-30=330m

45 min=45*6-20=240m

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