A 2.0 newton book falls from the top of a 1.0 meter high table. What is the book's kinetic energy when it hits the floor?

(1) 1.0J

(2) 2.0J

(3) 10J

(4) 20J

Show calculations

Why single slit diffraction occurs and make sure you are clear on the differences and similarities between the equations for single slit maxima and minima and double slit maxima and minima (they look really really similar but there are subtle

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