Answer:
c
Explanation:
To calculate the average of measurements, we add up all the measurements and then divide by the number of measurements.
Answer:
The material effects the speed if sound.
Explanation:
A denser material whose atoms are tightly packed will quickly transfer energy as they are close to each other than mediums like air.
Answer:
900 J
Explanation:
= Change in entropy = -300 J (Decrease)
= Work done = 600 J
= Heat transferred
Change in internal energy is given by
The heat transferred to or from the system as heat is -900 J.
900 J is transferred. As heat is transferred from the system the sign is negative.
A person standing on the moon watching the earth rotate
The sun is just one of the uncountable stars in the universe, as there are more than billions of galaxies containing billions of stars.
