4 years ago

Cold plasma used in TVs is different from the solar plasma because ___________.

Physics

1 answer:

Arisa [49]4 years ago

5 0

Answer: B i believe

Explanation:

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antiseptic1488 [7]

W = mg

Weight on Earth = 50 x 9.8
= 490 N

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4 years ago

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A 240 g toy car is placed on a narrow 60-cm-diameter track with wheel grooves that keep the car going in a circle. The 1.0 kg tr

lesya [120]

Answer:

The track's angular velocity is W2 = 4.15 in rpm

Explanation:

Momentum angular can be find

I = m*r^2

P = I*W

So to use the conservation

P1 + P2 = 0

I1*W1 + I2*W2 = 0

Solve to w2 to find the angular velocity

0.240kg*0.30m^2*0.79m/s=-1kg*0.30m^2*W2

W2 = 0.435 rad/s

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3 years ago

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Phoenix [80]

Producers, consumers, and decomposers help to move matter and energy through ecosystems.

Hope this helps! :)

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3 years ago

What is the direction of a vector with an x component of -12 m and a y component of -15 m?

dusya [7]

Answer:

$51.34^{\circ}$

Explanation:

Given that,

x component of a vector = -12 m

The y component of a vector = -15 m

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$\tan\theta=\dfrac{y}{x}$

Put all the values,

$\tan\theta=\dfrac{-15}{-12}\\\\\theta=\tan^{-1}(\dfrac{-15}{-12})\\\\\theta=51.34^{\circ}$

So, the direction of vector is $51.34^{\circ}$ to x component.

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Mandarinka [93]

Answer:

I think its A

Explanation:

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3 years ago

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