Salt is a substance because a substance is a material that has constant composition regardless of its source. Salt is the only option that matches this description
Average speed = distance traveled / time
average speed = (126.5 m * 3.5 laps) / (4.17 min)
= 106.2 m/min
Hello!
Since the two weights are <em>off</em> the table, the block will move towards letter F.
I hope this helps :))
<span>Generators use the magnetic field of "Permanent Magnets"
In short, Your Answer would be Option D
Hope this helps!</span>