According to the graph the substance is absorbing heat but it's temperature is remaining steady at 100 degrees C. So we know that the substance is changing state. It is evaporating. And most likely the substance is water.
1. Using Strong Permanent. 2. increasing the current. 3. Decreasing the space between Magnets
Explanation:
Brainiest
Explanation:
Light travels fastest through air
Answer:31.62 m/s
Explanation:
Given
mass of body 
Pull on chain is 
Pull get smaller at the rate of 
Net Upward Force 
net acceleration 



but g is acting downward

using 
here initial velocity is zero

