B.false......absolute magnitude
<span>Measure of the amount of light a star actually gives off.....thats the definition....hop this is helpful</span>
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Answer:
A
Explanation:
paddling a canoe to make the boat move
Answer:
H = 5 m
Explanation:
As the person leaves the slide horizontally so the time taken by the person to hit the water is given as

so we can find the vertical velocity by which person will hit the water using kinematics



now the speed of the person at the end of the slide is given as



now by energy conservation we can find the initial height




Answer:
Explanation:
Given
radius of Planet is equal to radius of Earth

Weight of body on Planet 
where m=mass of body

Weight of body on earth 

acceleration due to gravity is given by

where G=gravitational constant
M=mass of Planet
r=radius of planet
for earth 
for planet 
substituting these values in
and 


divide 1 and 2



Answer:
A. aluminum, iron, and silver only
Explanation:
metal elements are great conductors; aluminum, iron, and silver are all metals.
plastic isn't an element, but it still doesn't conduct electricity very well because it isn't a metal
(so I would leave out plastic, because you can only choose 3 max based on the answer choices)