a block of mass m is on surface of negligible friction that is inclined at an angle of θ above the horizontal. the block is initially moving up the incline, and its position x as a function of time t is given by the equation x(t)=mt−nt2 , where m has units of ms and n has units of ms2 . the value of t when the block comes to rest is most nearly

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

Compared with the cost of tuition, fees, and books for a traditional college course, the cost of a clep exam is:

Julia went to work for a reputed company. under pressure from upper management to cut costs, she directed line employees to ignore some safety precautions, which increased productivity. which argument of institutional anomie theory does this support? businesses set effective moral examples. businesses resort to illegal means to earn profits. businesses focus on public welfare. businesses fairly distribute profits. businesses employ only legal means to earn profits.