An astronaut who weighs 126 lb on earth weighs only 21 lb on the moon how much would a person who weighs 25 lb on the moon weigh on earth?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Identify the number as a rational or irrational.explain. 127

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65