3. If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating. A. from north to south only B. Both north and south. C. from east to west only. D. both east and west ​

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

If the area of a square has increased by a factor of 16, by how much has each side increased?

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