Which letter represents the direction of the centripetal force?

Answers

Answer 1

Answer: I think there should be a picture。
But the direction of the centripetal force is towards the center。
Hope that helps。

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a very large tank, closed from above and not open to the atmosphere, is partially filled with water. the pressure at the top surface of the water is kept at three times atmospheric pressure by constantly injecting pressurized air from above. water emerges from the tank through a circular nozzle that is located close to the base of the tank and is open to the atmosphere. at the instant when the water stands high above the nozzle, what is the water flow rate from the nozzle? the cross-sectional area of the nozzle is . g

Answers

Answer:

the water flow rate is higher than the atmospheric pressure

The Doppler effect suggests that sound waves are relative to the observer. You know if an object is coming or going from the sound it makes. Light waves follow the Doppler effect also. However, instead of sound changing, you know if an object is coming or going _____.

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A similar principle is observed with light as it is with sound. If an object is moving away from you the wavelengths gets longer, and towards the red light spectrum of the visible light spectrum, whereas if an object is moving towards you the wavelength will decrease towards the blue end of the spectrum

Answer:

from the color of the light

Explanation:

If the voltage in a circuit is 24 V and the current is 2 A, what is the total power in the circuit?

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V = Voltage in the circuit = 24 Volts

i = Current flowing in the circuit = 2 A

P = Total power dissipated in the circuit.

Total Power dissipated in a current carrying circuit is given as

P = i V

inserting the above values of the current and voltage in the above equation , we get

P = (2 A) (24 V)

P = (2 x 24) (AV)

P = 48 Watt (Since Ampere -Volt = watt)

maybe you can divide the volts its twelve if you do that but itll show you how much to double it by

The atmosphere and oceans are in constant motion. This is because _____.

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The Sun's heat is spread unevenly on Earth, and the atmosphere and oceans circulate and redistribute heat.

of the earths rotation around both it's axis and the sun

Under what conditions can light be modeled like a ray? Like a wave?

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when the aperture or object size is equivalent to the wavelength of light

Based on their locations on the periodic table, which two elements would youexpect to form positive ions with a +3 charge?
O A. Nitrogen, N
O B. Aluminum, Al
O C. Phosphorus, P
D. Boron, B

Answers

Final answer:

The elements that would form positive ions with a +3 charge are aluminum (Al) and boron (B).

Explanation:

Based on their locations on the periodic table, the two elements that would form positive ions with a +3 charge are aluminum (Al) and boron (B).

When an element gains or loses electrons to form an ion, it takes on a charge that corresponds to the number of electrons gained or lost. Aluminum, located in Group 13 of the periodic table, tends to lose its three valence electrons to form an ion with a +3 charge. Likewise, boron, located in Group 13 as well, will also lose its three valence electrons to achieve a +3 charge.

Learn more about positive ions with a +3 charge here:

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Answer:

i think it would be B. Aluminum, Al and D. Boron, B

Explanation:

since they're both in group 13 and they forms a 3+ ion

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