For a biological sample in a 1.0-m radius centrifuge to have a centripetal acceleration of 25g its speed must be:
A)11 m/s
B)16 m/s
C)50 m/s
D)122 m/s
E)245 m/s

Question

Quizplus · Accepted Answer

Centripetal acceleration (a) is given by the formula a = v^2/r. Here, a = 25g = 25 * 9.8 m/s², and r = 1.0 m. Solving for v gives v = sqrt(a * r) = sqrt(25 * 9.8 * 1) = 15.65 m/s, which is approximately 16 m/s.

For a Biological Sample in a 1