Explain how an image produced by a convex mirror is similar to an image produced by a concave lens.
1 answer:
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The concept required to perform this exercise is given by the coulomb law.
The force expressed according to this law is given by
Where,
q = charges of the objects
r= distance/radius
Our values are previously given, so
Replacing,
The force acting on the block are given by,
Therefore the box is accelerated upward.
Answer:
the sphere
Explanation:
From the given information,
A free flow body diagrammatic expression for the small uniform disk and a small uniform sphere which are released simultaneously at the top of a high inclined plane can be seen in the image attached below.
From the diagram;
The Normal force mgsinθ - Friction force F = mass m × acceleration a
Meanwhile; the frictional force
where
in a rolling motion
Then;
∴
The Normal force mgsinθ - F = m × a can be re-written as:
making a the subject of the formula, we have:
Similarly;
I = mk² in which k is the radius of gyration
∴
replacing I = mk² into the above equation , we have:
where;
the uniform disk
the uniform sphere
∴
We can now see that the uniform sphere is greater than the disk as such the sphere will reach the bottom first.
