Four square pieces of insulation of two different materials, all with the same thickness and area A, are available to cover an opening of area 2A. This can be done in either of the two ways shown in the Figure below. Note: The pieces in each arrangement are placed directly on top of each other. kr ki k2 2. Hint: First show that (k + k2)>4k, k2 ki Which arrangement, (A) or (B), gives the lower energy flow if k # k2?​

Acar travels 40m in 8 seconds find the car speed

The energy released by a nuclear fusion reaction is produced when

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.