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3 years ago

You drop an object from a second floor window. Describe the speed of the object after 1 second

Physics

2 answers:

Goshia [24]3 years ago

6 0

Objects will accelerate more by 10 (m/s)2

jasenka [17]3 years ago

3 0

If the object and the window are on Earth, then the object will be falling at 9.8 meters per second after one second.

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If an object is not accelerating, then one knows for sure that it is_____.

Sauron [17]

The object is maintaining a constant velocity

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3 years ago

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3 years ago

A green light is submerged 2.70 m beneath the surface of a liquid with an index of refraction 1.31. What is the radius of the ci

Anettt [7]

Answer:

The radius is $r = 3.1905 \ m$

Explanation:

From the question we are told that

The distance beneath the liquid is $d = 2.70 \ m$

The refractive index of the liquid is $n_i = 1.31$

Now the critical value is mathematically represented as

$\theta = sin ^{-1} [\frac{1}{n_i} ]$

substituting values

$\theta = sin ^{-1} [\frac{1}{131} ]$

$\theta = 49.76^o$

Using SOHCAHTOA rule we have that

$tan \theta = \frac{ r}{d}$

=> $r = d * tan \theta$

substituting values

$r = 2.7 * tan (49.76)$

$r = 3.1905 \ m$

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3 years ago

What is carried by a wave?

Nata [24]

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True or false? An object at rest has an instantaneous acceleration of zero.

Tpy6a [65]

True. it’s at rest which means it’s not moving so there’s no acceleration

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3 years ago