Science 8 Honors / Module 03: Forces and Motion/Speed and Motion 3. What is the speed of a car that travels a distance of 400 meters in 20 seconds?
O 20 m/hr
200 m/s
20 m/s
40 m/s

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.

3. dark matter

empty space could also be a simple vacuum