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Travka [436]
3 years ago
7

This can best be explained due to A) density. B) friction. C) gravity. Eliminate D) inertia.

Physics
2 answers:
Ludmilka [50]3 years ago
7 0

Answer:

D

Explanation:

atroni [7]3 years ago
6 0
What can be explained? Perhaps you could give us the full question?
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Consider that a ray of light is travelling from glass to water. The refractive index of water is 1.30 (i e n . ., 1.30 w = ) and
Bess [88]

Answer:

\theta_i=49.88^{\circ}

Explanation:

Total internal reflection can happen when light goes from a medium with higher refractive index (in this case, glass) to a medium with lower refractive index (in this case, water).

Snell's Law tells us that n_isin\theta_i=n_rsin\theta_r, where the <em>i</em> stands for incident (in this case, glass) and the <em>r</em> for refracted (in this case, water). We want to know when \theta_r=90^{\circ}, that is, when n_isin\theta_i=n_r, and this happens when the incident angle is:

\theta_i=arcsin(\frac{n_r}{n_i})

Which for our values means:

\theta_i=arcsin(\frac{1.3}{1.7})=arcsin(0.76470588235)=49.88^{\circ}

6 0
3 years ago
If the price of gasoline at a particular station in Europe is 5 euros per liter. An American student in Europe is allowed to use
Mashcka [7]

Answer:

Number of gallons =2 gallon

Explanation:

given data:

rate of gasoline ineurope = 5 euro per liter

total money to buy gasoline =  40 euro

total gasoline an american can buy in europe = \frac{40}{5}

= 8 litres of gasoline

As given in the question 1 ltr is 1 quarts therefore  

Total no. of quarts is 8 quarts

As from question 4 quarts is equal to one gallon, hence

Number of gallons= \frac{8}{4} = 2 gallon

5 0
3 years ago
En un momento dado , la nadadora de una prueba de natación de 100 m espalda está debajo de la cuerda falsa de salida. Indica a)
Virty [35]

Answer:

I only speak English

Explanation:

I'm sorry can you type it in English

7 0
3 years ago
Work done on a body depends on the magnitude of the force,
liberstina [14]
What’s the question?
4 0
3 years ago
Which simple machine is NOT correctly matched with an appropriate task for its use?
Tcecarenko [31]
The simple machine that is not correctly matched with  its appropriate task is the inclined plane because there is no such big ramp that is as high as 1 storey building, the appropriate task would be Lifting a heavy box and moving it across a room. and for the pulley : <span>Moving a heavy box up to the second floor of a building.</span>
6 0
3 years ago
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