Rating you 5 star if you can solve any asap 1.A student wants to measure gravitational acceleration
Design an experiment for this student. (50 points)

I-Give detailed information about the Theory-Physics Law behind the desinged experiment. (10p)

II-Give detailed information about the apparatus used for designed experiment. (10p)

III-Give detailed information about the procedure/method for designed experiment. (20p)

IV-Give detailed information about the neccesarry precautions required to minimize the error in designed experiment. (10p)

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c.the charges if the proton and electron and gravity

the box does not move because you need to use a force greater than 300 n. you are only using 50 n. it needs to at least be 301 n for the box to move because then it is an unbalanced force and it will move the way that the greater force is pushing it. if you use only 300 n it will be a balanced force and will not move because the force you are exerting on the   box is the same as its force.

hope this !

im sorry if i went too in depth, i am going to include a link to a video on khan academy that will explain this.   hope that you like the video and that it explains more in detail to you.

that is the link.

d) physical means can be used to separate the components of air.