Given the equation PE = mgh, when calculating potential energy, which of the following statements is NOT true for calculating potential energy?
a
Height does not matter
b
Potential energy is measured in Newtons (N)
c
Mass does not matter
d
All of the above are true statements when calculating PE
3 answers
b. Potential energy is measured in Newtons (N)
When would a cup of hot coffee left on the counter stop transferring heat?
a
When it has reached the same temperature as the room temperature air
b
When the room temperature air has transferred all of its coldness to the coffee
c
When it has lost all of its thermal energy
d
When it has gained all of the air's thermal energy
a
When it has reached the same temperature as the room temperature air
b
When the room temperature air has transferred all of its coldness to the coffee
c
When it has lost all of its thermal energy
d
When it has gained all of the air's thermal energy
a. When it has reached the same temperature as the room temperature air
2 answers