Tell your instructor or teacher
Answer: The earth is keeping up with the planet as they orbit the sun, so we don't get the angle to see a crescent
Answer:
A) The wave that travels through the rail reaches the microphone first.
B) separation in time between the arrivals of the two pulses is 0.01539 seconds.
Explanation:
Detailed explanation and calculation is shown in the image below
Answer:
When Pu-239 releases an alpha particle, it loses 2 protons and 2 neutrons so it becomes U-235.
What is the multiple choice???