Answer:
6.93 km/h
Explanation:
To calculate her average speed, we need the "speed" formula, which is:
average speed = distance / time
You plug in your numbers and it will give you the answer.
Speed = 4.5km/0.65hr
= 6.923 km/h
I believe it would be D a change in direction of motion
I think its E. the control rods are used to control <span>the fission rate of uranium and plutonium. Hope this helps!! </span>
The only reasonable choice from this list is choice-A.
https://www.dailymotion.com/video/x4ug3zm
watch this video and u will get answer