a) Calculate Earth's average speed relative to the Sun.
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The avarage distance from the sun is 1.496 x 10^11 m , it depends on which figures you understand(Earth's orbit is not perfectly circular so we approximate)
we start with finding the time and speed
radius of Earth's path
(r = 150,000,000 km)
time = 365daysx24*3600
circumference of the earth =
c= 2rπ Distance= 942,000,000 km speed = distance /time
942,000,000/31,536,000SPEED = 29.87 km/s
(1.496 x 10^11m)/(31,536,000)
USE THE SUITABLE METHOD OF YOUR UNDERSTANDING
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