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A disk-shaped merry-go-round of radius 2.83 m and mass 125 kg rotates freely with an angular speed of 0.661 rev/s. A 55.4-kg person running tangential to the rim of the merry-go-round at 3.31 m/s jumps onto its rim and holds on. Before jumping on the merry-go-round, the person was moving in the same direction as the merry-go-round rim.

Answer :

A 125 kilogram, 2.83 m in diameter, disk-shaped merry-go-round rotates freely at a rotational acceleration of 0.661 rev/s. A 55.4-kg guy moving quickly.

What do radius and area mean?

The area a circle occupies in a this double plane is known as the area of the circle. A = r2, (Pi r-squared), where r is the circle's radius, is a simple formula that may be used to calculate it. Area is measured in square units, including such m2, cm2, etc.

What is the distance of a radius?

It is the circumference of a circle. A circumference can be defined as a line drawn around the circle's perimeter from any point to its center. Depending on whether you know the circle's diameter, circumference, or area, you can calculate the radius using one of three formulas.

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