The optimum angle of tilt (from the horizontal) for a flat plate ...

[HudsonKB16]

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.

[Brenm]

Answer to Question 1

d

Answer to Question 2

E

[HudsonKB16]

Thanks for the timely response, appreciate it

[31809pancho]

Gracias!