The answer is binary star system
When a plane travels 395,000 meters in 9,000 seconds its speed is 395,000 ÷ 9000 = 43.888888 (the 8 repeats) meters per second.
Answer:
Explanation:
Given the following data;
Distance = 46 km
Time = 11 minutes
To find the average speed;
Speed = distance/time
This measure of the total amount of matter an object contains is called mass. The unit used for mass is the kilogram or kg for short.
I hope this helps!