3 years ago

What happens when light passes through a prism or diffraction grating?

Physics

1 answer:

Dimas [21]3 years ago

6 0

Answer:

The light scatters in all directions.

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Answer:

The acceleration increases.

Explanation:

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3 years ago

Scientists develop knowledge by making about the natural world that may lead to a scientific question. A scientific question may

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After two tetionic plates shift deep underground, which event is most likely to occur

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An earthquake will occur

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3 years ago

The speed of a 2 kg mass on a spring is 5 m/s as it passes through its equilibrium position. What is its frequency if the amplit

Lena [83]

Solution :

Given :

Mass of the object attached to the spring, m = 2 kg

Velocity of the object as it moves, V = 5 m/s

Amplitude of the object as it swings, A = 2.5 m

We have to find the frequency of the object.

We known,

$V_{max} = \omega A = 2 \pi f A$

Therefore, $f= \frac{V_{max}}{2 \pi A}$

$f= \frac{5}{2 \times 3.14 \times 2.5}$

f = 0.32 Hz

Therefore the frequency of the object is 0.32 hertz when the amplitude of the 2 kg mass is 2.5 m moving a speed of 5 m/s.

3 0

3 years ago

A cart starting from rest rolls down a frictionless 1.0 m high hill. It travels a distance 2.0 m along the rough bottom surface

Rzqust [24]

Answer:

Option B is correct.

Explanation:

Given data

Height of the hill = AB = 1 m

Distance traveled along the rough bottom surface = AC = 2 m

Now from the ΔABC

$\sin \theta = \frac{AB}{AC}$

$\sin \theta = \frac{1}{2}$

$\theta = 30$ °

We know that the coefficient of kinetic friction is

$\mu = \tan \theta$

$\mu = \tan 30$

$\mu =$ 0.5

This is the value of the coefficient of kinetic friction

Thus option B is correct.

8 0

3 years ago