Question

If a servant lifts 10 m³ of liquid from a tank which is at a depth of 40 m the work done by him is 1600 J then find the density of liquid ( take g=10 m/s)


liquid from
lifts 10 mg of
depth of com
tank
which
is
at a
a
1600
the
done
work
Joul CD
him is
by
Then
liquid (take gold man
find
the
density of liquid​

Answer 1

Answer:

volume= 10

depth=40

work=1600

W= mgh

W = vdgh

d= density

v= volume

1600= 10×10×40×d

d= 0.4 kg/m³