Question

An electric fan rotating at 3
$\frac{rev}{s}$
is switched off. It comes to rest in
$18 \: sec$
. Assuming deceleration to be uniform. How many revolutions did it turn before coming to rest?

a)
$30 \: rev$

b)
$27 \: rev$

c)
$40 \: rev$

d)
$10 \: rev$
​

Answer 1

Answer:

An electric fan rotating at 3

$\frac{rev}{s}$

is switched off. It comes to rest in

$18 \: sec$

. Assuming deceleration to be uniform. How many revolutions did it turn before coming to rest..

(c) tex]40 \: rev[/tex]....

Maybe correct