1. It is possible to transfer heat from a cold reservoir to a hot reservoir?

Group of answer choices

a. No

b. Yes; this will happen naturally

c. Yes, but work will have to be done

d. Theoretically yes, but it hasn't been accomplished yet

Flag question: Question 13Question 133.33 pts

1. A shear force of 400 N is applied to one face of an aluminum cube with sides of 30 cm. What is the resulting relative displacement? (The shear modulus for aluminum is 2.5 x 10¹⁰ N/m²)

Group of answer choices

a. 1.9 x 10-8 m

b. 4.4 x 10-8 m

c. 5.3 x 10-8 m

d. 8.2 x 10-8 m

Flag question: Question 14Question 143.33 pts

1. When the first law of thermodynamics, Q= DU + W, is applied to an ideal gas that is taken through an isothermal process,

Group of answer choices

a. U = 0

b. W = 0

c. Q = 0

d. None of the above