C is the answer to the question
Answer:
c. find the slope of the velocity time graph
A fixed volume is where either a solid or liquid has a volume that is constant under the same pressure and temperature. A gas cannot have a fixed volume because it changes by itself without any human interaction.
Best of Luck!
Answer:
40 Hz
Explanation:
f = 1/T = 1 / 0.025 = 40 Hz
