College

Which of the following is a typical measurement of mass?

A. 2000 kg
B. 93 million light-years
C. [tex]$1.989 \times 10^{30}$[/tex] miles per second
D. 10 solar radii

Answer :

To determine which option is a typical measurement of mass, let's analyze each one:

A. 2000 kg - The unit "kg" stands for kilograms, which is a standard unit of mass in the metric system. Therefore, 2000 kg is a typical measurement of mass.

B. 93 million light-years - A light-year is a unit of distance, not mass. It measures the distance light travels in one year. So, this is not a measurement of mass.

C. [tex]$1.989 \times 10^{30}$[/tex] miles per second - This represents a speed (distance over time), as it uses miles (a distance unit) per second (a time unit). Mass is not measured in units of speed.

D. 10 solar radii - A solar radius is a unit of distance used to express the size of stars, based on the radius of the Sun. It is not a unit of mass.

Therefore, the typical measurement of mass among the options given is 2000 kg (Option A).