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iogann1982 [59]
3 years ago
14

In ptolemy’s earth-centered model for the solar system, venus always stays close to the sun in the sky and, because it always st

ays between earth and the sun, its phases range only between new and crescent. The following statements are all true and were all observed by galileo. Which one provides evidence that venus orbits the sun and not earth?.
Physics
1 answer:
sp2606 [1]3 years ago
6 0
Hey, can you state your question a little more clearly
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Vicky wanted to investigate water evaporation. She placed 50 mL of distilled water in three identical glass jars. She left one j
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D. the amount of water placed in jars

Explanation:

it was the same for all of the jars at the beginning

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What voltage would be measured across the 45 ohm resistor?
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You would find the potential difference aka voltage, but more specifically it would be just the voltage that the resistor uses and not the whole circuit.

But if you want the voltage value it’s V=IR so whatever the current is multiply it by the 45 ohm resistor value
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Consider the medium of air as defined by the use of radio frequency. What made some of the early standards so slow compared to t
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Answer:

Explanation:

Earliest standards were dependent on a single frequency/channel to both send and receive. This shared medium creates the same problem as half-duplex coax cable. Because receivers had to wait for the signal before sending a response, this reduced the overall bandwidth.

Other factors affect wireless signal propagation, too, including RF interference, antenna choice, and obstacles such as walls, trees, and even weather (precipitation, for example).

3 0
4 years ago
A capacitor acquires a charge of 0.003 C when connected across a 30-V battery. Its capacitance is _____.
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Charge stored in a capacitor given by Q = C*V.

So, C = Q / V.

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5 0
4 years ago
In a belly-flop diving contest, the winner is the diver who makes the biggest splash upon hitting the water. the size
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The second diver have to leap to make a competitive splash by 4.08 m high.

<h3>What is potential energy?</h3>

The energy by virtue of its position is called the potential energy.

PE = mgh

where, g = 9.81 m/s²

Given is the diver jumps from a 3.00-m platform. one diver has a mass of 136 kg and simply steps off the platform. another diver has a mass of 100 kg and leaps upward from the platform.

The potential energy of the first diver must be equal to the second diver.

P.E₁ = P.E₂

m₁gh₁ = m₂gh₂

Substitute the vales, we have

136 x 3  = 100 x h₂

h₂ = ₂4.08 m

Thus, the second diver need to leap by 4.08 m high.

Learn more about potential energy.

brainly.com/question/24284560

#SPJ1

7 0
2 years ago
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