Please answer these few questions. This is in science but they don't have a subject for that

Which governments provide garbage collection services to homes and businesses

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

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