A bus is approaching a yellow light and uniformly slows from 13 m/s down to 3.4 m/s in a time span of 3.0 seconds. What is the rate of acceleration during this time? A -5.5 m/s2
B -3.2 m/s2
С 1.1 m/s2
D 3.2 m/s2

Which statement best describes how private industry decides where to spend the money on research and development

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)

A75-hp (shaft output) motor that has an efficiency of 91.0 percent is worn out and is to be replaced by a high-efficiency motor that has an efficiency of 95.4 percent. the motor operates 4368 hours a year at a load factor of 0.75. taking the cost of electricity to be $0.12/kwh, determine the amount of energy and money saved as a result of installing the high-efficiency motor instead of the standard motor. also, determine the simple payback period if the pu