Answer:
your velocity is 2.5 m/sec
Answer:
The radius of the disc is 2.098 m.
(e) is correct option.
Explanation:
Given that,
Moment of inertia I = 12100 kg-m²
Mass of disc m = 5500 kg
Moment of inertia :
The moment of inertia is equal to the product of the mass and square of the radius.
The moment of inertia of the disc is given by

Where, m = mass of disc
r = radius of the disc
Put the value into the formula



Hence, The radius of the disc is 2.098 m.
I’m sorry if i took up a lot of space, hope this is a valid approximate answer
Answer:
27.82998 km/min
Explanation:
To convert m/sec into km/hr, multiply the number by 18 and then divide it by 5.