Answer:
The recording that Eli and Clara's Seismograph would show will be very close to that a real Seismograph would show. This is because the mechanism they have constructed is very similar to the real one.
Explanation:
hope this helps
Its thin glass fibers that let light be transmitted through them
Explanation:
Given that,
The time taken from A to B is 3 hours
The time from B to A = 5 hours
The total distance between A and B is 150 miles
The average velocity from A to B,

The average velocity from B to A,

As the velocity of an object is a vector quantity. It means when the car reaches the initial point, the displacement is 0. So, the average velocity is equal to 0.