Question 3 (1 point) An object has 100 Joules of kinetic energy. If its speed doubles and the mass stays the same, how much kinetic energy does it now
have?
a
b
400 Joules
50 Joules
200 Joules
Submit
E > QX

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