An Object Weighs 7 $\mathrm { kg } / \mathrm { m } ^ { 3 }$

Multiple Choice

An object weighs 7.84 N when it is in air and 6.86 N when it is immersed in water of density 1000 $\mathrm { kg } / \mathrm { m } ^ { 3 }$ What is the density of the object?

A) $6000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$
B) $7000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$
C) $9000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$
D) $8000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$