Question

The value of acceleration due to gravity at a place is 9.8 m/s if the unit of length and time are take to be km and minute than what will he the value of g.​

Answer 1

Answer:

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Explanation:

$\sf \: As \: we \: know$

$\sf \: 1m \: = \frac{1}{1000km}$

$\sf \: 1s \: = \frac{1}{60mins}$

$\sf \: given \: value \: of \: g \: as \: - \\ \sf \: g = 9.8 \: m/s ^{2} \\ \sf \: g = 9.8( \frac{1}{1000} )/( \frac{1}{60} )^{2}$

$\sf \: g = 35.28km/ \: ms ^{2}$

therefore the numerical value of g in $\sf\: km/ms^{2}$

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Answer 2

Answer:

9.8m/s in km/min is 0.588km/min

Explanation:

Given acceleration due to gravity is 9.8m/s

We know that 1m=1/1000 km

∴9.8m=9.8×(1/1000) km

=0.0098km

And, 1 sec= 1/60 min

So, 9.8m/sec=0.0098/(1/60) km/min

=0.0098×60 km/min

=0.588 km/ min