1.) A(n) __________ change occurs when materials changes shape or size but the composition of the material does not change
1 answer:
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Answer:
Solution is given in the attachments,below.
Answer:
a. W
Explanation:
= temperature of the surface of sun = 5800 K
= Radius of the Sun = 7 x 10⁸ m
= Surface area of the Sun
Surface area of the sun is given as
= Emissivity = 1
= Stefan's constant = 5.67 x 10⁻⁸ Wm⁻²K⁻⁴
Using Stefan's law, Power output of the sun is given as
Answer:
Explanation:
Given
Mass
Net Force is equivalent to
with tension T in the string
For mass
For cylinder
I for solid cylinder is
thus
Substitute the value of T we get
