Answer:
-6
Explanation:
FRICTIONAL force=-300N,NORMAL REACTION,R=+50.0
Ú=F/R
=-300/+50.0
=-6
1400 units of momentum.
Using the formula p=mv. We can get the momentum using 70*20 =1400 units of momentum
<span>Friction can help us play tennis, knock down bowling pins, and cook dinner.</span>
Precipitation formed
Temperature change
fizzing and hissing
bubbles
change in state