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MA_775_DIABLO [31]
3 years ago
10

If you attach a 50.0 g mass to the spring whose data are shown in the graph, what will be the period of its oscillations?

Physics
1 answer:
telo118 [61]3 years ago
8 0
I just took the quiz an the answer is .28

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Which graph best represents the relationship between the conductivity and the temperature of semiconductors ?​
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Answer: I think the answer is B

Explanation:

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 I will mark you as brainliest if you answer correctly
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(A) We can solve the problem by using Ohm's law, which states:
V=IR
where
V is the potential difference across the electrical device
I is the current through the device
R is its resistance
For the heater coil in the problem, we know V=220 V and R=220 \Omega, therefore we can rearrange Ohm's law to find the current through the device:
I= \frac{V}{R}= \frac{220 V}{220 \Omega}=1 A

(B) The resistance of a conductive wire depends on three factors. In fact, it is given by:
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3 years ago
the (speed) of an object is a vector quantity that tells us the speed and direction of an objects momentum is this correct? If n
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2 years ago
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Una carga de -10Mc está situada a 20cm delante de otra carga de 5 Mc. Calcular la fuerza electrostática en Newton ejercida por u
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Answer:

a)  force between them is attraction,   b)  F = 1.125 10⁻² N

Explanation:

In this case the electric force is given by Coulomb's law

          F =k \frac{q_1q_2}{r^2}

           

In the exercise they give us the values ​​of the loads

          q1 = - 10 mC = -10 10⁻³ C

          q2 = 5 mC = 5 10⁻³ C

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let's calculate

          F = 9 10⁹ \frac{10 \ 10^{-3} \ 5 \ 10^{-3}}{0.20^2}

          F = 1.125 10⁻² N

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