An insect crsect crawling up a wall crawls ` 6cm` upwards in the first minute but the  slides
Channel: Doubtnut
Date: 2020-07-26

An insect crsect crawling up a wall crawls ` 6cm` upwards in the first minute but the  slides `4 cm `downwards in the next mimute. If again crawls up `6 cm` upwards in the third minute but again slides `4 cm` downwards in the forth mimute. How ong will the insect take to reach a crevece in the wall at a heght of `22 cm` froma starting point ?`