Answer:
Explanation:
The mass of the object given it's momentum and velocity can be found by using the formula
[tex]m = \frac{p}{v} \\ [/tex]
where
p is the momentum
v is the velocity
We have
[tex]m = \frac{7.1}{15} \\ = 0.4733333...[/tex]
We have the final answer as
Hope this helps you