What do the terms positive buoyancy, negative buoyancy, and neutral buoyancy mean in relation to sinking and floating?

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

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.