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snow_tiger [21]
3 years ago
11

The nonmetals include which of the following groups? Use the periodic table to answer the question. Check all that apply. haloge

ns alkali metals lanthanides noble gases alkaline earth metals
Physics
1 answer:
algol [13]3 years ago
6 0

Answer:

Includes halogens and noble gases

Explanation:

of 118 elements that we know, only 25 elements are non metals. This elements aren't good conductors of electric and heat. And they are weak so you can't convert them into laminas or stretch them, Halogens and noble gases are part of the non metals group, and also you have elements that belong to this group like hydrogen, carbon, sulfur, selenium, nitrogen, oxyhem and phosporus

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First, we have a change in the velocity from 85 to 164 m/s in 10 sec.

Then, we calculate the <u>acceleration </u>as:

a=\frac{v_{f}-v_{i} }{t} =\frac{164-85}{10}=7.9 m/s^2

Hence we need to calculate the velocity of the space vehicle at t = 2 sec using the first equation of motion:

v_{f}=v_{i}+at=85+7.9*2=100.8m/s

Then, using the second equation of motion to calculate the distance:

d=v_{i}  t+\frac{1}{2}at^2

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A 3500 N is force is applied to a spring that has a spring of constant of k= 14000 N/m. How far from equilibrium will the spring
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