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2 years ago

State the law of refraction

Physics

2 answers:

IgorLugansk [536]2 years ago

8 0

Answer:

The law of refraction states that the incident ray, the refracted ray, and the normal to the interface, all lie in the same plane.

Explanation:

Vlad1618 [11]2 years ago

8 0

Answer:

1 ) angle of incidence is always equal to the angle of reflection

2) the incidence ray , the normal at the point of incidence and the reflection ray , all lie in the same plane

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Anvisha [2.4K]

Answer:

mu = 0.56

Explanation:

The friction force is calculated by taking into account the deceleration of the car in 25m. This can be calculated by using the following formula:

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$a=\frac{v^2-v_o^2}{2x}=\frac{0m^2/s^2-(16.66m/s)^2}{2(25m)}=-5.55\frac{m}{s^2}$

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Furthermore, you use the relation between the friction force and the friction coefficient:

$F_f= \mu N=\mu mg\\\\\mu=\frac{F_f}{mg}=\frac{8271.15N}{(1490kg)(9.8m/s^2)}=0.56$

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Answer:

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