A satellite completes one revolution of a planet in almost exactly one hour. At the end of one hour, the satellite has traveled
1 answer:
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Answer:
The speed of ejection is
Solution:
As per the question:
Magnetic field density, B = 0.4 T
Density of the material in the sunspot,
Now,
To calculate the speed of ejection of the material, v:
The magnetic field energy density is given by:
This energy density equals the kinetic energy supplied by the field.
Thus
where
m = mass of the sunspot in =
Complete Question
The complete question is shown on the first uploaded image
Answer:
a
b
Explanation:
From the question we are told that
The image distance is
The value of the image is negative because it is on the same side with the corrective glasses
The object distance is
The reason object distance is because the object father than it being picture by the eye
General focal length is mathematically represented as
substituting values
=>
Generally the power of the corrective lens is mathematically represented as
substituting values
