Answer:
The number of revolutions turned by the centrifuge is 8250 revolutions.
Explanation:
Given;
number of revolution per minutes, ω = 15000 rpm
time of motion, t = 330 s = 5.5 minutes
The number of revolutions turned by the centrifuge is given by;

Therefore, the number of revolutions turned by the centrifuge is 8250 revolutions.
Answer:
B or D
Explanation:
I wanna say B but I don't really know if it's a trick question
my explanation for D is that anvils are usually 110 decibles and ear drums usually are damaged when exposed to 82dbs or higher at a consistant rate so I'd imagine that'd be the answer I hoped this helped
Hi!
The correct answer is : <u>either stretch or compress the spring</u>
<h3>Explanation</h3>
The spring constant, denoted commonly as k, is a component of Hooke's law which describes the force that is required to compress or stretch an object to be directly proportional to the length of extension or compression.
F ∝ x
where F is the force applied to the spring, and x is the length of extension or compression.
The equation of Hooke's law is consequently
F = kx
where k is a non zero constant, known as the spring constant.
<h3>Hope this helps!</h3>