{29}. A person sits on a freely spinning chair that has no friction in its axle. When this person extends his arms, a) His moment of inertia increases but angular speed decreases b) His moment of inertia decreases but angular speed increases c) His moment of inertia increases but angular speed increases d) His moment of inertia increases but angular speed remains constant.
sir ei ta porsod er mdel boi ta to ..
Yes
Ei model-er question 29 patiechi ☝️
Question no. 30 wrong discussion because when y=0 than x= -4 but you write x=+4.
{29}. A person sits on a freely spinning chair that has no friction in its axle. When this person extends his arms,
a) His moment of inertia increases but angular speed decreases
b) His moment of inertia decreases but angular speed increases
c) His moment of inertia increases but angular speed increases
d) His moment of inertia increases but angular speed remains constant.
Please solve this
Option a
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