Answer:
?Tension in string 2, T2 (in Newton) =
Answer for part 2
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It is B. Just did the Quiz on Intro to Business
Answer:
a) αA = 4.35 rad/s²
αB = 1.84 rad/s²
b) t = 3.7 rad/s²
Explanation:
Given:
wA₀ = 240 rpm = 8π rad/s
wA₁ = 8π -αA*t₁
The angle in B is:



The velocity at the contact point is equal to:


Matching both expressions:

b) The time during which the disks slip is:

a) The angular acceleration of each disk is


We don't know. A black hole is a star that has collapsed into its own gravity. The gravity in fact, is so strong that even light cannot get through it. That's why it looks black to us.