Answer:
c. 4,160 V
Explanation:
Primary distribution voltage by electric utility company are often distributed around 3 Kv to 35 Kv, which would be a range between 3,000 V to 35,000 V because in order to be consumed by the public they use transformers to lower the voltage to less than 1Kv this can be used in domestic usage, so form the options the one that most likely would be used as a primary distribution voltage is 4,160 V.
c. regular
b. scattered
d. fragmented
Answer:
3.2 and 428.8 are the two numbers
Explanation:
x + 134x = 436
135x = 436
x = 436/135
x = 3.2
First number = x = 3.2
Second number = 134x = 134 * 3.2 = 428.8
Answer:
10g
Explanation:
The experiment is about melting of tin. When solid tin is melted, it retains the amount of substance it originally has and we expect it to still be 10g.
Mass is the quantity or amount of matter contained in a substance. For most chemical processes, the law of conservation of matter is always succinctly observed.
The law states that "matter is neither created nor destroyed in a chemical reaction or process". Although melting is a phase change, we can adapt this law to the process. Owning to no loss of matter in the melting procedure, the amount of substance remains the same.
Therefore, we are left with about the same mass of substance we started with which is 10g.
Answer:
10g
Explanation:
As the Law of Conservation of Mass states that " Mass can neither be created nor be destroyed in a chemical reaction".
Though melting of tin isn't a chemical change, the same logic is applied here...
Hence,
The mass of tin will be 10 g itself...
A bumper car with a mass of 200 kilograms traveling at a velocity of 3.5 meters/second collides with a stationary bumper car with a mass of 250 kilograms. the kinetic energy of the system after the collision is 1190,25 J.
The energy is the ability to work or produce action or movement and it manifests itself in many different ways mostly body movement, heat, electricity, etc.
The different types of energy are Kinetic energy is associated with the movement of bodies. Potential energy which is stored form of energy by virtue of a body's position relative to its surface is also called gravitational potential energy.
Thermal Energy associated with the kinetic energy of the molecules that make up an element, Chemical energy released from chemical reactions, Solar energy released from sunlight.
Ek = (m·V²)/2
V - velocity of system after the collision
m = m1 + m2
Ek = (m1 + m2)·V²/2
Ek = (200 +250)·2,3²/2 = 450·5,29/2 = 1190,25 J
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212*f....... as that kid tried to explain the combustion process, and failed... the process isn't exactly the same for all heat engines... therefore, there has to be a universal heat that of in which has a standard heat of 212 degrees fahrenheit