3 years ago

Quando e como surgiu a ginastica rítmica no mundo e no Brasil?

1 answer:

6 0

A ginástica rítmica no Brasil começou a ser praticada na década de 1960. Teve várias denominações, entre elas foi chamada de ginástica moderna e ginástica rítmica moderna e, sendo praticada essencialmente por mulheres, passou a ser chamada de ginástica feminina moderna. Depois, por decisão da Federação Internacional de Ginástica, passou à denominação de ginástica rítmica desportiva e, finalmente, ginástica rítmica.

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Use the motion map to answer the question, describe the position and velocity of the object based moo the motion map?

drek231 [11]

Do you have an image?

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3 years ago

A 200kg ball on the end of string is swung in horizontal circle with radius of 0.5m . The ball makes revolution every 2second th

ANEK [815]

Answer: $\dfrac{\pi}{2} ms^{-1}$

Explanation:

Let $T$ be the time required to make one revolution.

Let $r$ be the radius of the circular path.

Let $d$ be the distance travelled by ball in one revolution.

As we know,the distance travelled in one revolution is the circumference of the circle.

So, $d=2\pi r$

Given, $d=0.5m\\T=2sec$

$d=2\times \pi \times 0.5=\pi m$

Speed of an object moving is circular path is define as the ratio of distance travelled in one revolution to the time taken by the object to complete one revolution.

Let $s$ be the speed of the ball.