Its D <span>-when the current is at a 90-degree angle to the field</span>
<span>The answer in the space provided is geographical time scale, which is letter b. The geographical time scale or also known as GTS is a system in which it provides chronological dating in means of describing the relationships or timing of events that occurred in the past or the history of the earth.</span>
In physics, gravity is the natural force that causes things to fall toward the earth. The noun gravity can also mean seriousness or solemnity. Someone who conducts themselves with an air of gravity is someone who takes what they are doing seriously.
I believe it's diffraction because it can be nothing else except this ;)
Explanation:
1 mile = 1609m
Distance=260 miles= 418340 m
Speed= 40 m/s
Time = distance/speed
= 418340/40
=10458.5 seconds
= 2.9 hours
