] Ceres is composed of rock and ice and is estimated to comprise approximately one third of the mass of the entire asteroid belt. Ceres is the only object in the asteroid belt known to be rounded by its own gravity (though detailed analysis was required to exclude 4 Vesta). From Earth, the apparent magnitude of Ceres ranges from 6.7 to 9.3, peaking once every 15 to 16 months,[21]hence even at its brightest it is too dim to be seen with the naked eye except under extremely dark skies.
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<u>Here Given,</u>
Mass = 100 gram
Change in temperature = -45°C - 15°C => -55°C
Specific heat of glass (c) = 0.800J/g°C
★Heat Energy (Q) = mc∆t
➙ 100g × (-55)°C × 800/1000 J/g°C
➙ 10 × (-55) × 8
➙ -4400 J
★ Hence, Heat Energy is required to cause this change -4400 J = <u>4400J</u>
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Answer:
Explanation:
Resolving power of telescope
= 1.22 λ / D radian
D is diameter of telescope and λ is wave length of light
This resolving power is in radian
required R .P = 5 / 384000
So
1.22 λ / D = 5 / 384000
D = (1.22 λ x 384000) / 5
= 93696 x λ
= 93696 x 550 x 10⁻⁹
= .0515 m
5.15 cm
Answer:
<em>A hypothesis</em> is a limited explanation of a phenomenon; a scientific theory is an in-depth explanation of the observed phenomenon.
<em> A law</em> is a statement about an observed phenomenon or a unifying concept, according to Kennesaw State University. ... However, Newton's law doesn't explain what gravity is, or how it works.
Answer:
true
Explanation:
Yes, it is true.
As the wattage is more than the prescribed wattage, it becomes overheated.