Question #97d78

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Question #97d78

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Answer 1 · 2018-02-07T10:03:11

Well, $1 mile \equiv 1.609 \cdot k m$ $"1 mile"-=1.609*km$

Explanation:

And so we got....

$65.0 \cdot mile \cdot h r^{- 1} \times 1.609 \cdot k m \cdot {mile}^{- 1} = 104.6 \cdot k m \cdot {hour}^{- 1}$ $65.0*"mile"*hr^-1xx1.609*km*"mile"^-1=104.6*km*"hour"^-1$

And further.... $104.6 \cdot k m \cdot {hour}^{- 1} \equiv$ $104.6*km*"hour"^-1-=$

$(104.6*km)/(cancel"hour"xx60*cancel"minutes"*cancel"hour"^(-1)xx60*s*cancel"minute"^-1)=$

$=0.029*km*s^-1$ ...confused yet?

Answer 2 · 2018-02-07T16:39:43

0.03 km/sec

Explanation:

1 mile is 1.609 km.

So 65 miles is 65 x 1.609 = 104.585 km.

And an hour is 3600 seconds.

So, you have 104.585 km per 3600 seconds, or 104.585 / 3600 = 0.03 km per sec.

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Question #97d78

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