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Romashka-Z-Leto [24]
3 years ago
9

Numatoms is initially 7. what is numatoms after: numatoms += 5?

Physics
1 answer:
Neporo4naja [7]3 years ago
8 0
S s. S s abbs s sbsbs z sbs
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A student uses a meter to measure 120 coulombs flowing through a circuit in 60 seconds. what is the current in this circuit?
Keith_Richards [23]

A student uses a meter to measure 120 coulombs flowing through a circuit in 60 seconds. The electric current in this circuit will be  2 A

Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. The common symbol for current is the uppercase letter I. The standard unit is the ampere, symbolized by A.

current = charge / time

given

time = 60 seconds

charge = 120 Coulombs

current = Q / T = 120 / 60 = 2 A

To learn more about electric current here

brainly.com/question/12791045

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irakobra [83]

Answer:

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3 years ago
A cheerleader lifts his 79.4 kg partner straight up off the ground a distance of 0.945 m before releasing her. the acceleration
Oksi-84 [34.3K]
To find out how much work he has done, we must first calculate force using the force formula (F= Mass*Acceleration). In this case, mass is 79.4 and acceleration is the gravitational constant of 9.8m/s, plugging this into the formula we find that force is 778.12Newtons. Next, we need to multiply force by the distance to get the amount of energy used to lift his partner once. Which is 778.12 * .945 = 735.32. Finally, we need to multiply 735.32 by the number of times he lifts his partner, 33, to get 735.32 * 33 to find that the energy he has expended 24,265.56 Joules of energy.
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When a light wave enters into a medium of different optical density,
olga nikolaevna [1]
I think it should be option (b)
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John walks four kilometers east, two kilometers north as shown in the diagram below. What is John’s displacement
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