Question

A particle crosses the topmost point C of a vertical circle with critical speed; then the ratio of velocities at points A, B and C is –

• A. 3 : 2 : 1
• B. 5 : 3 : 1
• C. 5² : 3² : 1²
• D. $\sqrt{5}:\sqrt{3}:\sqrt{1}$

Answer 1

Answer: (D)

$\sqrt{5}:\sqrt{3}:\sqrt{1}$

Answer 2