Answer:
<h2>Hereis the correct answer </h2>
(A.-9)
Explanation:
<h3>STUDY CORRECTION. </h3>
I think number one is c not sure or not number 2 is C AND NUMBER 3 IS 1 Go with sliding friction number 2 go with rolling friction number 3 is static friction and 4 is force
In physics, the law of conservation of energy states that the total energy of an iolated system remains constant, it is said to be conserved over time. energy can neither be destroyed rather it transforms from one form to another.
Answer:
1.6 g/cm3
Explanation:
The formula for Density is actually D=m/v
m= 12.9g
v= 8 cm3
The unit is grams per centimeters cubed or g/cm3
(If you use the formula given in the question it would be D=0.62)