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2 years ago

A steady circular __________ light means drivers must stop at a marked stop line.

Physics

2 answers:

Dennis_Churaev [7]2 years ago

6 0

Answer:

b. RED

Explanation:

As we know that traffic signals are used to control the movement of traffic so that it is controlled.

Now we know that there must be a specific signal that people will know so that traffic must be controlled.

Here different colors have specific meaning which is given as

RED : Stop at the signal

YELLOW : Slow down or ready to move

GREEN : You can move the vehicle

so here as per this signal rule we can say that RED color signal means the driver has to stop at the stop line

elixir [45]2 years ago

5 0

B. red................

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Answer:

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2 years ago

A diver in the pike position (legs straight, hands on ankles) usually makes only one or one-and-a-half rotations. To make two or

Korolek [52]

Answer:

from the above analysis we can say that the angular velocity in the later case is more than that of the former case. This means that the number of rotation made in the truck case is more than that made in pike position.

Explanation:

This can be explained on the basis of conservation of angular momentum.

This means the initial and the final angular velocity is conserved. Consider initial position (1)in the pike and final position in the be truck position. So there inertia's will also be different.

⇒ $I_1\omega_1 = I_2\omega_2$

$\frac{I_1}{I_2} = \frac{\omega_2}{\omega_1}$

also,

$I_1= mr_1^2$

$I_2= mr_2^2$

since, $r_2^2$

$I_2^2$

therefore,

$\omega_1^2$

So, from the above analysis we can say that the angular velocity in the later case is more than that of the former case. This means that the number of rotation made in the truck case is more than that made in pike position.

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2 years ago

You are moving at a speed 2/3 c toward Randy when shines a light toward you. At what speed do you see the light approaching you

lord [1]

Answer:

The speed of light will be c=3x10^8m/s

Explanation:

This is the same as the speed of light because your speed does not affecttje speed of light so you will see the light approaching you at the same speed of light c

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Answer:

Explanation:

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2 years ago

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Answer:

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Explanation:

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