Aplane passes over point a with a velocity of 5000 m/s north. sixty seconds later it passes over point b at a velocity of 10,000 m/s north. what is the plane’s acceleration from a to b?

The plane’s acceleration from A to B is

Explanation:

The acceleration of an object is a measure of how its speed changes over time.

In this case, we know that the plane initially has a velocity of 5000 m/s when it passes through point A, and when it passes through point B, 60 seconds later it has a velocity of 10,000 m/s.

Then the average acceleration is calculated as

Where

is the final speed

is the initial velocity

is the time it took for the object to reach the final speed

Then

the answer would be   dignified - apex

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form