Answer:
14.8 kg
Explanation:
We are given that




We have to find the mass of the pulley.
According to question



Moment of inertia of pulley=

Where 



Hence, the mass of the pulley=14.8 kg
It would have to be the right type of metal like copper to run through it
<em>Answer:</em>
<em>Melting</em>
<em>Explanation:</em>
<em>I took the quiz and got it right so I am 100 percent sure the answer is, A.melting :)</em>
Answer:
because the focal length is negative.
Explanation:
Power of a lens (P) is the reciprocal of its focal length (f).