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Nastasia [14]
3 years ago
10

I'm big boi confused.

Physics
1 answer:
Allisa [31]3 years ago
3 0

Explanation:

Correct.  Air has an index of refraction of approximately 1, and the angle of incidence is 35°.  The substance has an unknown index of refraction n, and the angle of refraction is 25°.

1 sin 35° = n sin 25°

n = 1.36

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7 0
4 years ago
The rate of change of velocity or speed is known as acceleration. If a car increases it speed form 10 to 20m/s in 2 seconds, the
lisov135 [29]

Answer:

A) 5 m/s/s

Explanation:

<u>Given the following data;</u>

Initial velocity = 10m/s²

Final velocity = 20m/s²

Time, t = 2 seconds.

In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

Hence, if we subtract the initial velocity from the final velocity and divide that by the time, we can calculate an object’s acceleration.

Mathematically, acceleration is given by the equation;

Acceleration, a = \frac{final \; velocity  -  initial \; velocity}{time}

Substituting into the equation, we have;

Acceleration, a = \frac{20 - 10}{2}

Acceleration, a = \frac{10}{2}

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7 0
3 years ago
What is the acceleration of the car at segment C?
nirvana33 [79]

Answer:

-30 m/s2

Explanation:

4 0
3 years ago
Read 2 more answers
The law of reflection states that the angle of incidence is equal to the angle of reflection.
djyliett [7]
Yes ... the law of reflection states that the angle of incidence is equal to the angle of reflection <em /><em>
it also states that the incident ray reflected ray and the normal at the point of incidence lie on the same plane....;

</em>
5 0
4 years ago
Read 2 more answers
Metodo medible que no altera la composicion quimica de la materia o cuerpo?
SCORPION-xisa [38]

Answer:

Las propiedades físicas, como la dureza y el punto de ebullición, y los cambios físicos, como la fusión o la congelación, no implican un cambio en la composición de la materia.

Explanation:Creo que es correcta

3 0
3 years ago
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