Answer:
Average velocity is the displacement of an object over time that also in a specified direction...
Explanation:
brainliest plz
We know, I = F.Δt
As Δt is increased to 4 times, then, F would decrease to 4 times, in order to keep that impulse constant.
In short, Your force will change to 1/4th of it's initial value
Hope this helps!
the answer is B. hope i helped
Red shift in the spectrum of a star is always taken to mean that the source of the light is moving away from us.
That's the whole basis for the notion of the expanding universe, since we don't know of any other mechanism that can shift light toward longer wavelengths.