Answer:

Explanation:
The force of friction between the quails feet and the ground is:







So the coefficient of static is solve



The cardiovascular system moves blood through hour body. It is made up of the Heart pumping the blood that is circulated around the body through its networks of arteries, veins and capillaries. The cardiovascular and lymphatic systems together make up the circulatory system.
1) 15 / 12 = 1.25 ratio
2) to increase acceleration 1.25 times (with same F, or same engine) you have to lower mass 1.25 times
3) 1515/1.25 = 1212 kg
choose A
Answer:
3,00,000
Explanation:
because 1 m =100m so, 3000x100=300000