Author Question: The R-value of material is not related to its ________. a. composition b. area c. thickness d. ... (Read 59 times)

bio_gurl · **on:** Jul 28, 2018

The R-value of material is not related to its ________.
a. composition
b. area
c. thickness
d. resistance to heat flow

Question 2

While the gondola is rising at a speed of 2.0 m/s, a passenger in a balloon-supported gondola throws a small ball down at a speed of 5.0 m/s relative to his body. A person who measures the ball's velocity at the instant of release will find that the ball's velocity relative to the ground at that instant is
a. 2.0 m/s, up.
b. 3.0 m/s, down.
c. 3.0 m/s, up.
d. 5.0 m/s, down.
e. 12.8 m/s, down.