Using the equation;
TE = 1/2mv^2(1+2); where k = 2/5 for a solid sphere; V is the velocity, and m is the mass.
Total energy = 0.5 × 21 × 8² (7/5)
= 940.8 J
The rotational kinetic energy of the sphere is 940.8 J
Speed=

Distance=

speed= distance/time
So,
<u>Time</u><u>=</u><u> </u><u>distance</u><u>/</u><u>speed</u>
Time= 163/33
<h2>=</h2>
according to the question are microwaves and X-rays
They should see if there are any sources of bias
Explanation:
The best way to ascertain the reliability of the claim in the article is to see if there is a source of bias.
A source of bias in the article can tell a lot about how reliable and trustworthy the article is. It will also give room to more research about the claim in the article from other sources.
It is possible for some elements of bias to be introduced into a set of observation due to preference and choices.
Learn more:
Bias brainly.com/question/328303
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