What is the height that a book is from the floor if the book contains 195 J of PE and has a mass of 4 kg?

Mass = Potential Energy I (gravity x height) Units: kg ... 4. What distance is a book from the floor if the book contains 195 Joules of potential.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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answer seismograph;