Answer:Increase by a factor of 25
Explanation:
We know that magnetic force is proportional to 
where r is the distance between them
Thus 
Where 
=magnetic field
If distance is reduced by a factor of 
then force must increase by a factor of 
because
so 
its B. 60 meters
Explanation:
cause I looked up a calculator and solved it
Answer:
because the wavelength of electron beams is much shorter than the wavelength of visible light
Answer:
A. MA=force output/force input
Explanation:
mechanical advantage is the ratio of the load to the effort
The very first thing that you should do when a passenger on your boat falls overboard is to throw a PFD or also known as a Personal Flotation Device. This would include anything that can help the passenger to float. But this step would differ, only if the passenger is not wearing a lifevest.
