Author Question: The optimum angle of tilt (from the horizontal) for a flat plate collector at 35 N latitude for the ... (Read 79 times)

HudsonKB16 · **on:** Jul 28, 2018

The optimum angle of tilt (from the horizontal) for a flat plate collector at 35 N latitude for the purpose of space heating is ________.
a. 0 b. 25 c. 35 d. 45 e. 75

Question 2

You hold a tennis racket in your hand. On top of the racket you have balanced a ball. Which statement is true?
a. The force of your hand on the racket and the force of the ball on the racket are equal and opposite. b. The force of the racket on your hand and the force of the ball on the racket are equal and opposite. c. The force of your hand on the racket and the force of the racket on the ball are equal and opposite. d. The force of the racket on your hand and the force of the racket on the ball are equal and opposite. e. The force of your hand on the racket and the force of the racket on your hand are equal and opposite.