Technician a says that a defective high-speed blower motor relay could prevent high-speed blower operation, yet allows normal operation at low speeds. technician b says that a defective (open) blower motor resistor can prevent low-speed blower operation, yet permit normal high-speed operation. which technician is correct?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final