Question

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solve these MCQ

Answer 1

Answer:

1.Option–D

2.Option–A

Answer 2

Answer:

1.(c) 2.(a)

Explanation:

1. W=3000 rpm

3000*2π/60 rad/s

=100π rad/s

theta = wt

theta = 100π(1)

100π rad

(c)

2. alpha(r) is tangential component of net acceleration

which acts tangential to the path

(a)