Imagine you are sitting on a surfboard in the ocean, waiting to catch a big wave. When the ocean is still, you are sitting at a
1 answer:
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Explanation:
It is given that,
Focal length of the concave mirror, f = -13.5 cm
Image distance, v = -37.5 cm (in front of mirror)
Let u is the object distance. It can be calculated using the mirror's formula as :
u = -21.09 cm
The magnification of the mirror is given by :
m = -1.77
So, the magnification produced by the mirror is (-1.77). Hence, this is the required solution.
Answer:
Explanation:
Gravitational Potential Energy at earth surface
Gravitational Potential Energy at height h is
Energy required to lift the satellite
Now Energy required to orbit around the earth
(given)
(b)For greater height is greater than
thus energy to lift the satellite is more than orbiting around earth