Explanation:
P.E=MGH
Where m is mass
Where G is Acceleration Due to Gravity
Where h is Height
So the parameters are M = 20kg
G = 9.8m/s
H = 0.5meters
P.E= 20x9.8x0.5
=98J.
So Ans. is A= 98J
Answer:
that the sun has sunspots, which appear to be dark in color. Galileo's discoveries about the Moon, Jupiter's moons, Venus, and sunspots supported the idea that the Sun - not the Earth - was the center of the Universe, as was commonly believed at the time.
Explanation:
<em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>you</em><em> </em><em>.</em><em> </em><em>please</em><em> </em><em>give</em><em> </em><em>brainliest</em><em>.</em><em> </em><em>thanks</em><em>.</em><em> </em>