Planetary Nebula are the outer layers of a star that are lost when the star changes from a red giant to a white dwarf. A star is a luminous globe of gas producing its own heat and light by nuclear reactions (nuclear fusion). They are born from nebulae and consist mostly of hydrogen and helium gas.
Is this what you needed?
My best educated guess would be
A. <span>The wave transports only energy, not matter.
I know it wouldn't be D because if the wave made by the rock wasn't strong enough to move the leaf then why did it bob up and down? (that's technically moving.) I mean it could be C but i'm pretty sure it's A.
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The acceleration due to gravity of an object with a mass of 10000 g = 42.02 x 10^-16 m/s²
<h3>What is gravitational constant?</h3>
According to Sir Isaac Newton's rule of universal gravitation and Albert Einstein's theory of general relativity, the gravitational constant, indicated by the capital G, is an empirical physical constant that is used to calculate the gravitational effects.
<h3>According to the given information:</h3>
mass of object = 10kg
gravitational constant = 6.67 x 10^-11
radius of earth = 6.3 x 10^6
we know that:
acceleration due to gravity = GM/R²
= ((6.67 x 10^-11)*10)/(6.3 x 10)²
Solving this we get :
42.02 x 10^-16 m/s²
The acceleration due to gravity of an object with a mass of 10000 g = 42.02 x 10^-16 m/s²
To know more about acceleration due to gravity visit:
brainly.com/question/13860566
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Answer:
a
Explanation:
3000 m / 4 minutes = 720 ave speed per minute
720 / 60 seconds = 12.5 m/s
