As the string passes through the vertical, the narrow beam of light is interrupted by the cylinder for 22 ms . The cylinder has a diameter of 2.5 cm. How to calulate the actual speed of the cylinder?
Distance moved by the cylinder as it interrupts the beam of light
Time taken to cover this distance
Average speed of the cylinder
#=>v_a=1.14\ ms^-1#, rounded to two decimal places.
Assuming that full question is Question 1 part (c)i