27. A body is projected with a velocity 40ms-1. After two seconds, it crosses a vertical pole of length 20.4 m.1 Calculate the angle of projection. (Take g = 9.8 ms-2) [Ans. 300​

When a neutrally charged atom loses an electron to another atom, the result is the creation of a. two charged atoms. b. two negatively charged atoms. c. two positively charged atoms. d. two neutrally charged atoms.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

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.