Energy is neither created nor destroyed; when energy is transformed from one form to another, there is no energy lost
Answer:
a
The final temperature is 
b
The initial and the final temperature are the same
Explanation:
The explanation is shown in the first and second uploaded image
The box is moving in the direction of Eduardo with a force of 300N since he is pulling 300N stronger than Clara.
Answer:
none
Explanation:
it's to high up to be affected by the gravity
<h2>
Answer:</h2>
The distance will be 1800 m
<h2>
Explanation</h2>
As in question
Time = 15 min
Time = 15 x 60 sec = 900 sec
Speed = 2 m/s
We know that



So, the answer is 1800 m