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Units and Measurement
An athletic coach told his team that muscle times speed is equal to power. What dimension does he view for muscle ?
\[(a)\;MLT^{-2}\quad (b)\;ML^{2}T^{-2}\quad (c)\;MLT^2\quad (d)\;L\]
jeemain
physics
class11
ch2
units-and-measurement
q17
easy
dimensional-formulae-and-analysis
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asked
Jun 17, 2013
by
meena.p
retagged
Jul 11, 2014
by
balaji.thirumalai
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1 Answer
$power=muscle \times speed$
$muscle=\Large\frac{power}{speed}$
$\qquad\quad= \large\frac{[MLT^{-2}] \times [L]}{[T][LT^{-1}]}$
$\qquad\quad=[MLT^{-2}]$
Hence a is the correct answer.
answered
Jun 17, 2013
by
meena.p
edited
Jan 9, 2014
by
meena.p
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