A dancer lifts his partner above his head with an acceleration of 3 m/s². The dancer exerts a force of 175 newtons. What is the
1 answer:
Answer:
58 1/3 kg
Explanation:
This case involves Newton's Second Law of Acceleration, where Force = Mass × Acceleration. We're given the acceleration as 3 and the force as 175, so we divide 175 by 3 to get the mass.
- 58 1/3
Therefore, the answer is 58 1/3 kg.
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Answer:
(a) The Lewis structure is shown in the image below.
(b)
(c) Calcium loses 2 electrons to 2 atoms of fluorine and these 2 atoms of fluorine accepts each electron to form ionic bond.
(d) Calcium atom loses electrons.
Explanation:
Calcium is the element of second group and forth period. The electronic configuration of Calcium is - 2, 8, 8, 2 or
There are 2 valence electrons of Calcium.
Fluorine is the element of group 17 and second period. The electronic configuration of the element fluorine is - 2, 7 or
There is 1 valence electron of fluorine.
The Lewis structure is drawn in such a way that the octet of each atom is complete.
Thus, calcium loses 2 electrons to 2 atoms of fluorine and these 2 atoms of fluorine accepts each electron to form ionic bond. This is done in order that the octet of the atoms are complete and they become stable.
Thus, the formula of calcium chloride is .
<u>(a) The Lewis structure is shown in the image below.</u>
<u>(b) </u>
<u>(c) Calcium loses 2 electrons to 2 atoms of fluorine and these 2 atoms of fluorine accepts each electron to form ionic bond.</u>
<u>(d) Calcium atom loses electrons.</u>
