Aboxissittingonadesk. theboxhasamassof52kg. whatis the magnitude of the normal force acting on the box by the desk? what is the weight of the box?

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

The air that we breath is made mostly of which gaseous molecule