Answer:
[tex]\Huge \boxed{\mathrm{100 \ seconds}}[/tex]
Step-by-step explanation:
4.8 kilometers is 4800 meters.
[tex]\sf \displaystyle time \ (s) = \frac{distance \ (m) }{speed \ (m/s)}[/tex]
[tex]\sf \displaystyle t = \frac{4800}{48}[/tex]
[tex]\sf \displaystyle t = 100[/tex]
It will take the object 100 seconds.
