Answer:
avg speed =total distance/total time
total distance =2km (given)
total time=1/10 +1/25=7/50
so avg speed =100/7=14.28
A. Any Direction
This should be obvious, as you can push down on something, push it to the sides, and push something up. Hope this helped!
Answer: image to much to type.
Explanation:
Answer:
The speed of the automobile after 1.43s is 10 
Explanation:





≅ 10 
Answer:
actually quantity of matter present in a body is its mass.