Answer:
v = 54m/s
Explanation:

a = 7m/s²
u = 12m/s
t = 6s
7 = (v-12)/6
v - 12 = 42
v = 54m/s
(Correct me if i am wrong)
Since the formula is mass/volume the density is 3.4915......g/cm^3
The answer is A. voice uses a wider range of pitch and volume as compared to speaking
Answer:
just put the molecules and atoms where they belong
Explanation: