Question

An ultracentrifuge accelerates from rest to 100,000 rpm in 2.80 min.

(a)

What is its angular acceleration in rad/s^{2}?

rad/s^{2}

(b)

What is the tangential acceleration, in m/s^{2}, of a
point 11.80 cm from the axis of rotation?

m/s^{2}

(c)

What is the radial acceleration, in m/s^{2}, of this
point at full rpm?

m/s^{2}

(d)

Express this radial acceleration as a multiple of
*g*.

*g*

Answer #1

An ultracentrifuge accelerates from rest to 100,000 rpm in 2.50
min.
(a)
What is its angular acceleration in rad/s2?
__________ rad/s^2
(b)
What is the tangential acceleration, in m/s2, of a
point 10.80 cm from the axis of rotation?
_________ m/s2
(c)
What is the radial acceleration, in m/s2, of this
point at full rpm?
__________ m/s2
(d)
Express this radial acceleration as a multiple of
g.
_________ g

An ultracentrifuge accelerates from rest to 9.95×105 rpm9.95×105
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angular acceleration:
rad/s2rad/s2
What is the tangential acceleration of a point 9.70 cm9.70 cm
from the axis of rotation?
tangential acceleration:
m/s2m/s2
What is the radial acceleration in meters per second squared and
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minute?
radial acceleration:
m/s2m/s2
radial acceleration in multiples of ?g:

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angular acceleration:
rad/s2rad/s2
What is the tangential acceleration of a point 9.70 cm9.70 cm
from the axis of rotation?
tangential acceleration:
m/s2m/s2
What is the radial acceleration in meters per second squared and
in multiples of gg of this point at full revolutions per
minute?
radial acceleration:
m/s2m/s2
radial acceleration in multiples of gg:

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--------------------
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