3 years ago

What do an earthquake wave and a light wave have in common?

Physics

2 answers:

rusak2 [61]3 years ago

5 0

It’s c.) I think so at least

Eddi Din [679]3 years ago

4 0

Answer:

I believe it's C im guessing im wrong if it's not C its got to be B

Explanation:

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Which of the following statements describes a battery?

LiRa [457]

Answer:

The negative electrode of a battery has an excess of positive charge

Explanation:

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For other statements:

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3 years ago

Which of these results in kinetic energy of an object? (1 point)

Aleksandr [31]

Motion I’m pretty sure

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What does more damage; a slow semi truck, or a fast sports car

Goshia [24]

The fast sports car does more damage then the slow semi truck

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3 years ago

Initially a car accelerates at 2 m/s2 for x seconds. The car then travels at a velocity of -6 m/s for x seconds. If the car disp

Luda [366]

Answer:

The time travel is

t=8 s

Explanation:

$a= 2 \frac{m}{s^{2} } \\v=-6 \frac{m}{s} \\x=16m$

$x_{f}=x_{o}+v_{o}*t+\frac{1}{2} *a*t^{2}$

$x_{f}=0-6*t+\frac{1}{2} *2*t^{2}$

$t^{2}-6*t-16=0\\ using :\\\frac{-b+/-\sqrt{b^{2}-4*c*a } }{2} \\\frac{-(-6)+/-\sqrt{(-6)^{2}-4*(-16)*(1) } }{2}=\frac{3}{2} +/- \frac{10}{2} \\t_{1} = 2s \\t_{2} = 8s$

Check

$t_{2}=8s$

$x_{f}=x_{o}+v_{o}*t+\frac{1}{2} *a*t^{2}$

$x_{f}=0-6*+\frac{1}{2} *2*8^{2}$

$x_{f}=-48+64\\x_{f}=16$

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4 years ago

Pleaseeee help!!!!!!!!

kenny6666 [7]

Most likely B. Will erode, if not it will grow weeds

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3 years ago