Two spaceships s1 and s2 are approaching earth from opposite directions with v1=0.8c and v2= -0.6c both relative to earth. s1 is 8 light-minutes to the left of earth and s2 is 6 light-minutes to the right of earth.

Consider a file currently consisting of 200 blocks. assume that the file control block (and the index block in the case of indexed allocation) is already in memory. calculate how many disk i/o operations are required for contiguous, linked, and indexed (single-level) allocation strategies, for each of the conditions listed below. in the contiguous-allocation case, assume that there is not room to grow at the beginning but there is room to grow at the end. also assume that the block information to be added is stored in memory.

When solid surfaces slide over each other the kind of friction that occurs is called friction

Did anyone do 1.06 lab: cloud formation i need with it i go to k12 lavcame i need to get it done quick