2 years ago

How long would light take to travel from one hill to another

Physics

1 answer:

zhuklara [117]2 years ago

7 0

186282 miles. Hope it helps

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Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a

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Answer:

Maximum speed of the car is 17.37 m/s.

Explanation:

Given that,

Radius of the circular track, r = 79 m

The coefficient of friction, $\mu=0.39$

To find,

The maximum speed of car.

Solution,

Let v is the maximum speed of the car at which it can safely travel. It can be calculated by balancing the centripetal force and the gravitational force acting on it as :

$v=\sqrt{\mu rg}$

$v=\sqrt{0.39\times 79\times 9.8}$

v = 17.37 m/s

So, the maximum speed of the car is 17.37 m/s.

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3 years ago

When a wave passes from one medium to another, its _________ remains constant.

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What is the electric field strength inside the capacitor after insulating handles are used to pull the electrodes away from each

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This question apparently comes after an EARLIER one,
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3 years ago

A pair of slits separated by 1 mm, are illuminated with monochromatic light of wavelength 411 nm. The light falls on a screen 1.

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Answer:

$t = 0.192 \mu m$