contestada

1. What happens to shadows at sunrise and sunset? How are these shadows different from those cast at noon?

2. Study the information in the table below. What relationship do you see between a planet's speed of rotation and its length of day?


Diameter of planet Speed of Rotation Length of the Day
Planet A 3,000 miles 29 miles/second 24 hours
Planet B 2,990 miles 60 miles/second 14 hours
Planet C 3,020 miles 120 miles/second 8 hours

Respuesta :

Rodiak
1. Shadows during sunrise and sunset are longer than those cast at the noon. The reason is that Sun is low above the horizont. Sunrays come at low angle and this causes long shadows. At the noon Sun at highest point and sunrays come at big angle. This causes the shadows to be short
Also, during sunrise and sunset shadows do not have sharp edge while shadows at noon have sharp edges.

2. We can see that speed of rotation and length of day are inversely proportional. This means that as one rises the other one falls. From the table we can see that faster rotation means shorter day.
Also, we can see that there is no linear connection. Planet C has twice the speed but it does not have half the length of a day.

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