A. 18.3 km
B. 16.5 km
C. 6.6 km
D. 3.0 km
Correct Answer:
Option A = 18.3 km
The approximate length of R. Ofon is?
![A screw jack with a Tommy bar of length 12cm is used to raise a car through a vertical height of 25cm by turning the Tommy bar through 50 revolutions. Calculate the approximate velocity ratio of the jack [π=3.142]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A screw jack with a Tommy bar of length 12cm is used to raise a car through a vertical height of 25cm by turning the Tommy bar through 50 revolutions. Calculate the approximate velocity ratio of the jack [π=3.142]")
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