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1.Units, Dimensions and Measurement
normal
કણનો વેગ $5.00$ $m/s$ અને દળ $3.513 $ $kg $ હોય,તો વેગમાન ........ $kgm/s$
A
$17.6 $
B
$17.565$
C
$17.56$
D
$17.57$
Solution
Momentum $P = m \times v$
$ = \left( {3.513} \right) \times \left( {5.00} \right) = 17.565\,kg\,{\rm{m/s}}$
$ = 17.6$ (Rounding off to get three significant figures )
Standard 11
Physics