On a temperature versus time graph, how does the temperature at the beginning of a change of state compare with the temperature
at the end of the change?
always lower
always the same
usually lower
usually higher
always lower
always the same
usually lower
usually higher
2 answers:
Answer:
The temperature is always same.
Explanation:
The change of state of matter occurs at the constant temperature, because the heat energy given to the matter is used to change the state in this condition.
So, in the beginning and at the end of the change, the temperature remains constant.
The graph between temperature and time is a straight line parallel to time axis as shown.
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Answer:
a circular path
Explanation:
In a magnetism field if a charged particle having a charge of magnitude '' enters such that its velocity vector V is 90° to the direction of the magnetic field "B'', then it will experience a force, called Lorentz force F
According to the property of cross-product, the Lorentz force (F) acting on the particle will be perpendicular to the instantaneous position of the particle, making the path of the particle to be a circular path.