The greatest percentage of heat loss from an average house with ...

[Zoey63294]

The greatest percentage of heat loss from an average house with 6-inches of fiberglass in the walls, 4- inches in the floor, 9-inches in the roof, and double pane windows, comes from the ________.
 a. roof b. walls c. floor d. windows

Question 2

A juggler throws two balls up to the same height so that they pass each other halfway up when A is rising and B is descending. Ignore air resistance and buoyant forces. Which statement is true of the two balls at that point?
 a. There is an residual upward force from the hand on each ball.
  b. There is a greater residual force from the hand on A than there is on B.
  c. Only gravity acts on B but there is an additional residual force from the hand on A.
  d. There is an additional downwards force besides gravity on each ball.
  e. The only force acting on each ball is the gravitational force.

[Cnarkel]

Answer to Question 1

d

Answer to Question 2

E

[Zoey63294]

Thank you!

[Cnarkel]

Always glad to help...