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13. You are pushing your friend in his wheelchair. You are both taking his dog, Wrathbone, to the vet. Wrathbone is 5 kg and
is sitting in your friend's lap. You decide to increase the wheelchair's acceleration to 7 in order to get up a steep ramp.
If your friend has a mass of 46 kg and his wheelchair has a mass of 16 kg. What is the force you are applying?
338 N
469 N
35 N
O 322 N

more infor would

a lot

nuclear fission produces elements that are heavier than helium.

the elements that are used in nuclear fission and their products are much heavier than helium.

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.