A book self is 1 metre above the floor. As a book falls from the shelf to the floor it loses 7.5j of gravitational potential energy. How much kinetic energy does the book have just before it hits the floor?

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

i dont think you are wrong for wanting to get even with someone who did you wrong.

(i'm an eye for an eye kind of person) but if this person hurt you in a sexual way, i dont suggest doing anything to him. he should be taken to the proper authorities, you could go to jail depending on what you do. if it was something small like your sibling took your spot on the couch, than yea, i would get even with him by taking one of his favorite snacks lol. but i dont suggest you doing anything illegal.

the gas collects in coils that then becomes a liquid that then flows through the coils inside the refrigerator

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees.