Circle the letter of each sentence that describes a change in velocity a. moving object gains speed b. a moving object changes direction c. a moving object in a straight line at a constant speed

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.

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87