The Big Bang Theory is a theory that describes the origin of the Universe. This theory was first proposed by the Belgian cosmologist G. Lemaitre in 1931.
- The evidence of universe expansion that supports the Big Bang Theory is the observation that the temperature of the universe is decreasing.
- According to this theory, the Universe is continuously expanding as it becomes cooler.
The most important lines of evidence that support the Big Bang Theory include:
- The observed expansion of the space in the Universe.
- The discovery of the cosmic microwave background radiation (CMB) is believed to be leftover radiation from the Big Bang.
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Answer:
27 mph
Explanation:
9:45 to 11:45 = 2 hours
odometer says you traveled 54 miles in 2 hours or 27 mph
Atom* the particles are (Electrons)
TLDR: R=30 Ohms, I=2 Amps, 12V, 28V, 20V, respectively.
Alright, let’s break this down. There are three resistors in this circuit, meaning that we have to find the equivalent resistance. Luckily, they are all in parallel with one another; this means we can add the resistances together without having to do inverses like in a series problem. This means that the equivalent resistance, Req, would equal:
Req=R1 + R2 + R3
Req=6 + 14+ 10
Req=30 Ohms
This means that we could theoretically replace all three resistors with a 30 Ohm resistor and accomplish the same goal. Now, the entire voltage of the system would normally be reduced to zero after passing through the resistors - in this case, the 60 Vs would be lost after passing through 30 Ohms. This means we’re losing 2V/Ohm; now we can figure out how much we’re losing at each resistor.
By losing 2V per Ohm, we’re losing 12 V at the first resistor, 28 V at the second resistor, and 20 V at the third resistor.
Finally, we can calculate the current through the circuit; for a series circuit, the current remains the same. Using V=IR, we can find that:
V=IR
60 V = I(30 Ohms)
I = 2 Amps
The current passing through the circuit is 2 Amps.
Hope this helps!
Answer:
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