Answers: 3
Physics, 22.06.2019 17:50, arunamvr
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
Answers: 2
Physics, 23.06.2019 03:00, blancademarco1994
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
Answers: 1
Physics, 23.06.2019 06:30, vanessasmith47
Chi walked 100 meters in 5 minutes. she took another 15 minutes to walk another 400 meters to reach her house. what is her average speed?
Answers: 1
Ultraviolet rays are used to
kill cancer cells through radiation therapy
grow plants w...
kill cancer cells through radiation therapy
grow plants w...
Mathematics, 16.02.2021 01:00
Mathematics, 16.02.2021 01:00
Geography, 16.02.2021 01:00
Chemistry, 16.02.2021 01:00
Mathematics, 16.02.2021 01:00
Mathematics, 16.02.2021 01:00
Mathematics, 16.02.2021 01:00