Aballoon is 3m in diameter and is filled with 5 kg of n: a. find the specific volume of the gas in the balloon. express it in both m/kg and in m/kmol. answers: about 3 and 80, respectively find the weight of the gas in the balloon, expressed in n. assume g = 9.8 m/s. about 50 b.

Describe the path of a ray that approaches a mirror parallel to the principal axis.

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z