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15 Jul 2016, 03:41
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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82% (01:03) correct
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based on 124
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How many 360-degree rotations did a bicycle wheel make while rolling 200 meters in a straight line without slipping?
(1) The wheel made 24 360-degree rotations per minute.
(2) The wheel rolled the 200-meter distance in 18 minutes.
(1) The wheel made 24 360-degree rotations per minute.
(2) The wheel rolled the 200-meter distance in 18 minutes.
15 Jul 2016, 03:55
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C
we need to find the number of revolutions
let's start from statement 2.
2) it says 200 meters was covered in 18 min.Ok so if we know the no of revolution /min , we'll know the answer.As of now this statement is insuff
1)rotations per minute is given.This ok.but we need the time and distance equation which is not there
Combine both,
from 1 you can find rotation/min and multiply with number of minutes in statement 1 to get the number of rotations in 200 meters
we need to find the number of revolutions
let's start from statement 2.
2) it says 200 meters was covered in 18 min.Ok so if we know the no of revolution /min , we'll know the answer.As of now this statement is insuff
1)rotations per minute is given.This ok.but we need the time and distance equation which is not there
Combine both,
from 1 you can find rotation/min and multiply with number of minutes in statement 1 to get the number of rotations in 200 meters
15 Jul 2016, 04:34
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aditi2013
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