Answer:
v = 16 m/s
Explanation:
It is given that,
Acceleration of a particle along x -axis is 
At t = 0s, its velocity is 6 m/s
We need to find the velocity at t = 4 s
It means that the initial velocity of the particle is 6 m/s
Let v is the velocity at t = 4 s
So,
v = u + at

So, the velocity at t = 4 s is 16 m/s.
I believe you are correct, it is B: Diagnostic Services.
Diagnostic services are services like the staff at hospitals and the people who run machines that are related to medical needs.
<em>If this is incorrect, please, don't refrain to tell me.</em>
Answer:
C. 212,000 years
Explanation:
believe me it's correct.....and you're welcome :)
<em>Choice-C</em> is the right one.
-- The bolt didn't react to the magnet, and just laid there. That tells you that the bolt was made of a non-magnetic material.
-- The bolt didn't float. It went straight to the bottom. That tells you that it's more dense than the fluid around it.