You and your friend each drive 50.0 km. You travel at 90.0 km/hr. Your friend travels at 105 km/hr.

For how many minutes will your friend be waiting for you at the end of the trip?

Round your answer to the nearest minute

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.

How do you know how many valence electrons an atom has?

Energy transformations that involve one transformation from one type of energy to another are called transformations.