Calculate the velocity ratio of a screw jack of pitch 0.2cm if the length of the tommy bar is 23cm? by Sunday | Jan 4 | Physics WAEC | 0 comments A. 230π B. 23π C. 70π D. 140π Correct Answer: Option A A. 230π Users Also Read These:Write short notes on: (i) Command line (ii) Status…The length of an iron bar is 100cm at 20°C. At what…An elastic material has a length of 36cm when a load…Which of the following properties of a long steel…A uniform bar AB is balanced on a knife-edge which…