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scoray [572]
3 years ago
11

You are working in a biology lab and learning to use a new ultracentrifuge for blood tests. The specifications for the centrifug

e say that a red blood cell rotating in the ultracentrifuge moves at 470 m/s and has a radial acceleration of 150,000 g's (that is, 150,000 times 9.8 m/s2). The radius of the centrifuge is 0.15 m. You wonder if this claim is correct.
Physics
2 answers:
Sloan [31]3 years ago
7 0

Answer:

Yes, correct

Explanation:

velocity, v = 470 m/s

radius, r = 0.15 m

The radial acceleration is the centripetal acceleration which always acts towards the centre of the circular centrifuge.

The formula for the centripetal acceleration is given by

a =\frac{v^{2}}{r}

a =\frac{470^{2}}{0.15}

a = 1472666.667

a = 150272.1 g

According to the question, we can get the acceleration as mentioned. So the claim is correct.

Salsk061 [2.6K]3 years ago
6 0

Answer:

no, the claim is not correct

Explanation:

You are working in a biology lab and learning to use a new ultracentrifuge for blood tests. The specifications for the centrifuge say that a red blood cell rotating in the ultracentrifuge moves at 470 m/s and has a radial acceleration of 150,000 g's (that is, 150,000 times 9.8 m/s2). The radius of the centrifuge is 0.15 m. You wonder if this claim is correct.

centripetal force is the force that is needed to keep an object undergoing a circular motion in a circular path .

a centripetal force is responsible for centripetal acceleration

a=v^2/r

a=470^2/0.15

a=1472666.66m/s^2

for the radial acceleration

150000*9.8

1470000m/s^s

the  two differ by

da=1472666.66m/s^2-1470000m/s^2

da=2666.66m/s^2

therefore the claim is not correct

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5.71428571422 m/s

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<u></u>

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3 0
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The speed of a moving bullet can be deter-
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Answer:

<em>v = 381 m/s</em>

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Thus the speed of the bullet is:

\displaystyle v=\frac{0.61}{0.0016}

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7 0
3 years ago
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