Answer:
True
The escape speed from the Moon is much smaller than from Earth.
Explanation:
The escape speed is defined as:
(1)
Where G is the gravitational constant, M is the mass and r is the radius.
The mass of the Earth is
and its radius is 
Then, replacing those values in equation 1 it is gotten.
For the case of the Moon:
Hence, the escape speed from the Moon is much smaller than from Earth.
Since it has a smaller mass and smaller radius compared to that from the Earth.
Given, mass of titanium metal = 144 g
Heat of fusion of titanium metal= 18.7 J/g
Heat of fusion is the amount of heat energy needed to change the state of one gram of a substance from solid to liquid or vice-versa.
Thus, 18.7 J of heat is needed to melt one gram of titanium metal.
Therefore, heat needed to melt 144 g of titanium metal = 18.7×144
= 2692.8 J
Answer:
5.99 m = 6 m
Explanation:
PE = m*g*h
235.2 J = (4 kg)(9.81 m/s^2)(h)
h = (235.2 J)/(9.81*4)
h = 5.99 m
h = 6 m
Answer:
The boiling point of Acetone is 329K (in 3 significant figures)
Explanation:
Boiling point of Acetone = 56°C = 56 + 273K = 329K (in 3 significant figures)
The statement which is true regarding electrical drawings is; Choice A: Dimensions and distances matter greatly on blueprints but not on schematics.
<h3>Difference between a schematic diagram and a blueprint</h3>
The major difference between a schematic diagram and a blueprint lies in the fact that blueprint means a type of paper-based reproduction process producing white-on-blue images, used primarily for technical and architecture's drawings, now largely replaced by other technologies, whereas schematic diagrams are simplified line-drawing generally used by engineers and technicians to describe and understand how a system works at an abstract level.
Ultimately, Dimensions and distances matter greatly on blueprints but not on schematics.
Read more on schematics and blueprints;
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