Answer:
The object is also positively charged because same or alike charges repel
Explanation:
Gamma rays then x rays then UVA rays then visible light then IR then radio waves (from highest to lowest frequency).
Choice-C is a correct statement.
maximum speed of cheetah is

speed of gazelle is given as

Now the relative speed of Cheetah with respect to Gazelle


now the relative distance between Cheetah and Gazelle is given initially as "d"
now the time taken by Cheetah to catch the Gazelle is given as

so by rearranging the terms we can say


so above is the relation between all given variable