3 years ago

How does inertia explain why it is difficult to stop a moving skateboard?

1 answer:

6 0

Answer:

(Example Person) has to push hard to get the skateboard started, but once it begins moving, it takes much less effort to keep it rolling over the smooth, flat pavement. In fact, if (Example Person) tries to stop the rolling skateboard, it may take as much effort to stop it as it did to start it rolling in the first place.

Explanation:

Hope this helps :)

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How far apart are two conducting plates that have an electric field strength of 8.53 x 103 V/m between them, if their potential

sleet_krkn [62]

Answer:

$d=2.7m$

Explanation:

From the question we are told that:

Electric Field strength $E=8.53 * 10^3 V/m$

Potential difference is $V= 23.0 kV$

Generally the equation for distance is mathematically given by

$d=\frac{V}{E}$

$d=\frac{23.0*10^3}{8.53 * 10^3 V/m}$

$d=2.7m$

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3 years ago

La aceleración de un proyectil que describe una trayectoria parabólica cerca de la superficie terrestre es constante o variable

Ann [662]

Answer:

Es una constante porque sigue funcionando y debido a la gravedad, tú tendrías que ser tú quien la detenga si está bajando en lugar de hacia arriba.

Explanation:

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3 years ago

An LED is useful because when a current passes through it, it gives out... what?

Mkey [24]

An LED is useful because when a current passes through it, it gives out light.

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3 years ago

What is radioactivity?

galina1969 [7]

Answer:

B. The emission of high-energy particles or waves from atoms

Explanation:

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4 years ago

Consider this equation,

charle [14.2K]

Answer:

V is changing

$as \: skater \: moves : \: there \: is \: displacement \\ from \: third \: equation \: of \: motion \\ {v}^{2} = {u}^{2} + 2as \\ {( \delta \: V})^{2} = 2as \\ V \: \alpha \: s$

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3 years ago