Object A moves at 10 m s⁻¹ and object B at 5 m s⁻¹ in the same positive x-direction. A is 100 m behind B. Time taken by A to catch B is:

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Object A moves at 10 m s⁻¹ and object B at 5 m s⁻¹ in the same positive x-direction. A is 100 m behind B. Time taken by A to catch B is:

Options