The light bulb transfers electrical energy into light. What is one type of energy that is also generated that is NOT a desired e
2 answers:
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- The length of its image =
Given,
length of object,
We know, for flat refracting surface,
Image distance = object distance
So,
magnification is =
length of the image,
Here, negative sign means inverted image.
For more information on refraction, visit
Answer:
a) , b)
, c)
,
, d)
Explanation:
a) The gravitational force exerted by the Earth on the satellite is:
b) The centripetal acceleration of the satellite is:
c) The speed of the satellite is:
Likewise, the angular speed is:
d) The period of the satellite's rotation around the Earth is: