Astronauts often undergo special training in which they are subjected to extremely high centripetal accelerations. one device has a radius of 15 m and can accelerate a person at 98 m/s . what is the speed of the astronaut in this device?

A set of data has a mean of 12 and a standard deviation of 3. A data point of the set has a z-score of 1.3. What does a z-score of 1.3 mean?

The data point is 1.3 standard deviations away from 3

The data point is 1.3 standard deviations away from 12.

The data point is 3 standard deviations away from 1.3.

The data point is 3 standard deviations away from 12.

its B

a and c

c is 100% but i am confused in a

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement