Gamma radiation can be significantly reduced by…
1 answer:
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The gravitational potential energy is 25.6 J
Explanation:
The gravitational potential energy (GPE) of an object is given by:
where
m is the mass of the object
g is the gravitational field strength
h is the height of the object above the ground
In this problem, we have
m = 8 kg is the mass of the brick
g = 1.6 N/kg is the gravitational field strength on the moon
h = 2 m is the height of the brick above the ground
Substituting,
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Answer:
Height of mirror will be 1 m for complete image of person
Explanation:
We have given distance of person from plane mirror d = 2 m
And height of person = 2 m
We have to find the height of plane mirror which given full image of person
Height of mirror will be equal to half of height of person
So height of mirror
So height of mirror will be 1 m for complete image of person