Author Question: The distance of the Earth from the Sun is 93,000,000 miles. If there are 3.15 107 s in one year, ... (Read 90 times)

mynx · **on:** Jul 28, 2018

The distance of the Earth from the Sun is 93,000,000 miles. If there are 3.15 107 s in one year, find the speed of the Earth in its orbit about the Sun.
a. 9.28 miles/s
c. 27.9 miles/s
b. 18.6 miles/s
d. 37.2 miles/s

Question 2

A railroad train travels forward along a straight track at 80.0 m/s for 1000 m and then travels at 40.0 m/s for the next 1000 m. What is the average velocity?
a. 60.0 m/s
c. 63.7 m/s
b. 37.5 m/s
d. 53.3 m/s