An ultracentrifuge accelerates from rest to 100,000 rpm in 2.50 min. (a) What is

Question

An ultracentrifuge accelerates from rest to 100,000 rpm in 2.50 min.

(a) What is its angular acceleration in rad/s2?
_____ rad/s2
(b) What is the tangential acceleration of a point 8.00 cm from the axis of rotation?
___ m/s2
(c) What is the radial acceleration in m/s2 and gs of this point at full rpm?
___m/s2
___g

I GIVE BACK POINTS FAST TO THE FIRST PERSON WHO GETS IT RIGHT

CHECK MY OTHER QUESTIONS, EZ POINTS!:

http://www.chegg.com/homework-help/questions-and-answers/need-part-c-suppose-0250-kg-ball-thrown-115-m-s-motionless-person-standing-ice-catches-out-q6207629

Explanation / Answer

? = 100000rev/min * 2?rad/rev * 1min/60s = 10 500 rad/s
t = 2.5 min = 150 s

(a) ? = ?o + at
10500 rad/s = 0rad/s + ?*150s
? = 70 rad/s

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.