What are 2 examples of levers
2 answers:
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Answer:
Explanation:
Myopia is the defect of human eye in which a person is not able to see the far off objects clearly but can see the nearby objects clearly.
It is due to the increase in focal length of the eye lens and the contraction in the size of eye ball.
It is cured by using the concave lens of suitable focal length.
Answer:
<h2>Angular Displacement 6.28 radians</h2>Explanation:
for circular motion we are expected to solve for Angular Displacement it is measured in radian
Measurement of Angular Displacement.
we can measure it using the following relation
∅= s/r
where
s = the distance travelled by the body, and
r = radius of the circle along which it is moving.
given that
circumference c, s= 400 m
r= ?
we have to solve for the radius
we know that circumference
400= 2*3.142*r
400= 6.282*r
divide both sides by 6.284 we have
400/6.284
r= 63.63 m
Angular displcament
∅= 400/63.63
∅= 6.28 radians