A spring has a length of 0.200 m when a 0.300-kg mass hangs from it, and a length of 0.750 m when a 1.95-kg mass hangs from it. (a) What is the force constant of the spring

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. in a survey conducted in an office, 60% of the sample respondents agreed that employees should have flexible working hours. if the margin of error is ±2%, the expected population proportion that wants flexible working hours is between __% and __%