placing a magnetically hard material in a strong magnetic field
MY personal interpretation of nothing is no atoms or particles of anything. but keep in mind im 11 <span />
The magnetic particles are mixed with other substances to make it flexible.
When light is reflected by a mirror, the angle of incidence is always <span>A. equal to the angle of reflection. We know this by the Law of Reflection.</span>
Answer:
Explanation:
Given
car A had a head start of 
and it starts at x=0 and t=0
Car B has to travel a distance of 
where 
is the distance travel by car A in time t
distance travel by car A is
For car B with speed 
