Which of these animals would be measured to have the most mass? an elephant a goldfish a dog a fox

An elephant.

Explanation:

The amount of matter contained inside a body is called its mass. It is independent of the location of the object. It remains the same always.

Out of the four options we need to tell which animals would be measured to have the most mass. It is very clear that, an elephant has most mass. It is very huge in size of three other animals.

Hence, the correct option is (A).

12000j is work done

0.19 m/s and 0.45 m/s