Which force is stronger electrical or gravitational?

Physics

1 answer:

Alinara [238K]3 years ago

8 0

Gravitational force is stronger

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madam [21]

Time =      (distance) / (speed)

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Answer:

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A 0.125 kg hockey puck moving at 20.0 m/s is caught and held by an 85.0 kg goalkeeper at rest. After catching the puck, with wha

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Vilka [71]

Answer:

at the speed of light ( $c=3.0\cdot 10^8 m/s$ )

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In this problem, we have a starship emitting a laser beam (which is an electromagnetic wave, so it travels at the speed of light). The startship is moving relative to the Earth with a speed of 2.0*10^8 m/s: however, this is irrelevant for the exercise, because according to the postulate we mentioned above, an observer on Earth will observe the laser beam approaching Earth with a speed of $c=3.0\cdot 10^8 m/s$ .

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Answer:

(D)

Explanation:

Given :

l=3.5 m

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