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:The pitch of a screw jack is 0.45cm and the arm is…The handle of a screw jack is 35 cm long and pitch…Which of the following properties of a long steel…A rectangular solid black has length 10cm, breadth…An elastic material has a length of 36cm when a load…