Calculate the velocity ratio of a screw jack of... - JAMB Physics 1994 Question
Calculate the velocity ratio of a screw jack of pitch 0.3cm if the length of the tommy bar is 21cm
A
\(\frac{1}{140}\)\(\pi\)
B
14\(\pi\)
C
70\(\pi\)
D
140\(\pi\)
correct option: d
V.R = \(\frac{2\pi L}{p}\)
= \(\frac{2 \times \pi \times 2}{0.3}\)
V.R = 140\(\pi\)
= \(\frac{2 \times \pi \times 2}{0.3}\)
V.R = 140\(\pi\)
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