For an isolated system, if its rotational inertia about some fixed axis increases, then A : its angular speed about the same axis always increases. B : its angular speed about the same axis always remains constant. C : its angular speed about the same axis always decreases.

Which of the following represents an upside-down image?

Aballet student who learns with the of his instructor is demonstrating learning.

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.