Answer:
I will but can you just wait for some minutes cus I am in a hurry now.
sorry that pic is a little blurry
The focal length for a spherical convex mirror is –20 cm. What is its radius of curvature?
1 answer:
Answer:
40 cm
Explanation:
The focus of a spherical convex mirror is the point at which the rays of an object converge in the infinite, it is also the point at which an object must be placed so that its image is formed in the infinite. The distance from the focus to the origin is called the focal length and is called f. It is related to the radius of the mirror, R, according to:
rewriting for R:
.
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The force of friction is 78.4 N
What is force of friction?
Frictional force is the force created when two surfaces come into contact and slide against each other. it is given by the equation:
μ *
where,
= force of friction
μ = coefficient of friction
= normal force
Given,
μ
We know,
Subsituing the values in equation:
μ *
The force of friction is 78.4 N.
To know more about force of friction, check out:
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