Answer:
first one is series second one is paralle
Explanation:
You are correct because nothing is being done to the cake
Answer: A sealed calorimeter is a closed system because thermal energy is not transferred to the environment.
A closed system is an isolated system where there is no transfer of energy with its surroundings. Also the system is not subjected to any external force whose source is external to the system.
Since this a position vs time graph, the velocity will be the slope of the line.
(5-3) / (3-0)
2/3 m/s
.6666 m/s
Answer: the first is gravity
the second is Newton’s 3rd Law of Motion
Hope this helped :)
Explanation: