TS EAMCET · Physics · Motion In Two Dimensions
Two cars, at a certain instant, are \(50 \mathrm{~km}\) apart on a line running from south to north. The one farther north is moving west at \(25 \mathrm{~km} / \mathrm{hr}\). The other is moving towards north at \(25 \mathrm{~km} / \mathrm{hr}\). How long do they take to reach their distance of closest approach?
- A 30 min
- B 60 min
- C 85 min
- D 90 min
Answer & Solution
Correct Answer
(B) 60 min
Step-by-step Solution
Detailed explanation
Let us sit on B and observe 'A'. Then, \(\overrightarrow{\mathrm{V}}_{\mathrm{AB}}=\overrightarrow{\mathrm{V}}_{\mathrm{A}}-\overrightarrow{\mathrm{V}}_{\mathrm{B}}\)…
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