Answer:
Part a)
Part B)
Part c)
Explanation:
Part a)
As we know that
so we will have
Part B)
Angular speed of the yo-yo
so we have
Part c)
Tangential acceleration is given as
Answer:
individuality
Explanation:
since he cannot run with paul he decided to run by himself making his exercise individual
Answer:
b. Continental-oceanic
Explanation:
The Earth's crust has been divided into a series of plates. These plates move at a different rate or speed in different directions.
These plates are divided by the boundary between them which are of three types: convergent, transform and divergent.
The convergent boundaries are the one which moves toward each other and the based on the crust they are of three types: continent-continent, ocean-ocean and ocean-continent.
In ocean-continent boundaries, the oceanic plate is denser compared to the continental plate is lighter as a result of which during the process of subduction the oceanic plate sinks beneath the continental plate towards the mantle and melts.
Thus, Option-B is the correct answer.
The relationship between resistance R and resistivity
is
(1)
where L is the length of the wire and A is the cross-sectional area.
In our problem, the radius of the wire is half the diameter: r=1 mm=0.001 m, so the cross-sectional area is
The length of the wire is L=20 m and the resistance is
.
By re-arranging equation (1), we can find the resistivity of the wire: