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3 years ago

Why is it important to learn refusal skills?

Physics

2 answers:

Elena L [17]3 years ago

6 0

I'd say C to avoid situations in which alcohol is present and remain alcohol free

Refusal skills help people, most likely children it helps them avoid participating in risky behaviors and choices. such like alcohol in this case

Refusal skills Helps them resist peer pressure and help them make right choices

Hope that helps alrighty bye now!

ale4655 [162]3 years ago

6 0

Answer: c

Explanation: I just too the quiz

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Two loudspeakers are placed next to each other and driven by the same source at 500 Hz. A listener is positioned in front of the

stellarik [79]

To solve this problem we will apply the concepts related to wavelength as the rate of change of the speed of the wave over the frequency. Mathematically this is

$\lambda = \frac{v}{f}$

Here,

v = Wave velocity

f = Frequency,

Replacing with our values we have that,

$\lambda = \frac{340}{500}$

\lambda = 0.68m

The distance to move one speaker is half this

$\lambda/2 = 0.34m$

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3 years ago

Explain why some of the tree get detached from a tree if we vigorously shake it's Branch.

Rasek [7]

Answer:

When a tree is vigorously shaken, the branches of the tree come in motion but the leaves tend to continue in their state of rest due to inertia of rest. As a result of this, leaves get separated from the branches of the tree and hence fall down.

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3 years ago

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Iron, nickel, and cobalt can all be made into magnetic?

ikadub [295]

Answer:

ferromagnetism

Explanation:

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2 years ago

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How much work is required to stop an electron (m = 9.11 \times 10^ - 31 kg) which is moving with a speed of 2.10

Karo-lina-s [1.5K]

Answer:

$-2.00876\times 10^{-18}\ J$

Explanation:

v = Speed of electron = $2.1\times 10^6\ m/s$ (generally the order of magnitude is 6)

m = Mass of electron = $9.11\times 10^{-31}\ kg$

Work done would be done by

$W=K_i-K_f\\\Rightarrow W=0-\dfrac{1}{2}mv^2\\\Rightarrow W=0-\dfrac{1}{2}\times 9.11\times 10^{-31}\times (2.1\times 10^6)^2\\\Rightarrow W=-2.00876\times 10^{-18}\ J$

The work required to stop the electron is $-2.00876\times 10^{-18}\ J$

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3 years ago

In the combined gas law, if the volume is decreased, what happens to the temperature if pressure remains constant?

erastovalidia [21]

A. The temperature decreases.

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3 years ago