provided the diameter of the fire hose is 7cm, and the water running through the hose flows at 420L/min, how much force does she need to hold the nozzle, if its diameter is 0.75cm

the answer is "the man who came here yesterday was selling magazines."

someone plx on this 2question

ian mortimer in his book "the time traveller's guide to elizabethan england" uses a narrative in his style, which successfully conveys a clear description of the life in england in the 16th century. he writes in second person, which makes it comfortable to reader and easy to understand, he captures the readers attention with views of the landscape, the streets, the people including rich and poor. he also depicts some cultural traits from how people behave, eat or what they wear. his descriptions range from the social, economical, the political power to the examples of the life of common people. it could be tell that this book is about social history rather than a   novel.