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m/day: 86.4
km/wk: 0.6
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Difficulty:
45%
(medium)
Question Stats:
85% (02:41) correct
15%
(02:56)
wrong
based on 1316
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A certain snail can travel at a rate of 1 millimeter per second. A children's storybook author wants to convert this rate to other units to make the description more appealing to children.
Based on the given information, select for m/day the closest to the equivalent speed of the snail in meters per day and select for km/wk the closest to the equivalent speed of the snail in kilometers per week. Note that 1 meter = 1,000 millimeters and 1 kilometer = 1,000 meters. Make only two selections, one in each column.
Based on the given information, select for m/day the closest to the equivalent speed of the snail in meters per day and select for km/wk the closest to the equivalent speed of the snail in kilometers per week. Note that 1 meter = 1,000 millimeters and 1 kilometer = 1,000 meters. Make only two selections, one in each column.
| m/day | km/wk | |
| 0.6 | ||
| 4.2 | ||
| 29.4 | ||
| 86.4 | ||
| 604.2 |
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Official Answer
m/day: 86.4
km/wk: 0.6
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17 Sep 2019, 08:16
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carbazzy,
The way would be ...
the speed is 1mm/sec....
First convert sec in to day..
There are 24 hrs, and each hr has 60 minutes, which in turn have 60 secs each..
so number of secs in a day = 24*60*60=86400 secs..
So 1mm/sec = 1*86400mm per 86400secs = 86400mm per day ..
Now 1000mm = 1 m, so \(86400mm = \frac{86400}{1000}m=86.4m\)
Thus 86400mm/day=86.4m/day
Similarly you can find km per week...
Now there are 7 days in a week, so 86.4m/day = 86.4*7/7day=604.8m/week..
Convert m into km = (604.8/1000)/week=0.6048km/week
The way would be ...
the speed is 1mm/sec....
First convert sec in to day..
There are 24 hrs, and each hr has 60 minutes, which in turn have 60 secs each..
so number of secs in a day = 24*60*60=86400 secs..
So 1mm/sec = 1*86400mm per 86400secs = 86400mm per day ..
Now 1000mm = 1 m, so \(86400mm = \frac{86400}{1000}m=86.4m\)
Thus 86400mm/day=86.4m/day
Similarly you can find km per week...
Now there are 7 days in a week, so 86.4m/day = 86.4*7/7day=604.8m/week..
Convert m into km = (604.8/1000)/week=0.6048km/week
General Discussion
