Author Question: A fast-moving body must have a larger acceleration than a slow-moving body. Indicate whether the ... (Read 123 times)

joesmith1212 · **on:** Jul 28, 2018

A fast-moving body must have a larger acceleration than a slow-moving body.
Indicate whether the statement is true or false

Question 2

How did scientists first prove that light had a finite speed?
a. By measuring how long it takes for a second observer to be seen uncovering a lantern on a distant mountain in response to the first observer uncovering a lantern.
b. By measuring how long it took to see lightning during a thunderstorm.
c. By measuring how fast a notched wheel must rotate for light passing through one notch to be reflected from a distant mirror back through the next notch.
d. By measuring how fast a multi-faced mirror must rotate for light reflected from one mirror face to be reflected from a distant mirror to reflect back from the next face.
e. By measuring how the revolution of the moons of Jupiter appears longer when they are farther from Earth.