Average Speed (m/s) Time (s)
Distance (m)
green
yellow
red
15(m/s)
25(m/s)
30(m/s)
30(s)
20(s)
15(s)
450(m)
500(m)
450(m)
———
blue
purple
yellow
5(m/s)
15(m/s)
50(m/s)
55(s)
40(s)
5(s)
275(m)
600(m)
250(m)
Which car travels the middle distance for both trials???

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c