To qualify for gold status at awesome airlines, one must fly less than 2280022800 but at least 96009600 miles each year. if greg takes a 600600-mile round-trip flight when visiting his parents, how many times does greg need to visit his parents each year to attain gold status? express your answer in interval notation.

The great sandini is a 60.0-kg circus performer who is shot from a cannon (actually a spring gun). you don’t find many men of his caliber, so you him design a new gun. this new gun has a very large spring with a very small mass and a force constant of 1100 n/m that he will compress with a force of 4400 n. the inside of the gun barrel is coated with teflon, so the average friction force will be only 40.0 n during the 4.00 m he moves in the barrel. at what speed will he emerge from the end of the barrel, 2.50 m above his initial rest position?