Answer:
The answer would be 1/40 I believe. Hope this helps :)
Step-by-step explanation:
When it is in motion the force is unbalanced. When it stops the forces are balanced.
Answer:
90
Step-by-step explanation:
7 cm: 35000 cm (7*5000)
2.8 cm: 14000 cm (2.8*5000)
2 cm: 10000 cm (2*5000)