Answer:
D a thermometer
Explanation: It measures and track Celcius and Feirinheit.
Since you didn't tell us the choices, I can pick anything I like.
The one that always does it for me is " foaming brine " .
You’re right, bc I’m the question it says the pulley is at equilibrium
Answer: 
Explanation:
Acceleration
is defined as the variation of velocity
with time
:

Where:


Finally:
