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KATRIN_1 [288]
3 years ago
14

There is a flashing yellow light at the intersection you are approaching. What does the flashing yellow light indicate, and what

should you do to safely navigate this intersection?
Physics
2 answers:
Aliun [14]3 years ago
5 0
The yellow light indicates that you have to slow down and slowly come to a stop. You slow your car until light completely turns red, then you stop at red and wait for the light
Ivanshal [37]3 years ago
5 0
The yellow light means you should slow down and then when the light turns red just stop.
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I have a picture of the question I need help with,
eduard

Given:

The initial velocity of the object, v=30 m/s

a_t=0

a_c≠0

The time period is Δt.

To find:

The right conclusion among the given choices.

Explanation:

a_t represents the tangential accleration on the object and a_c represents the centripetal acceleration on the object.

The centripetal acceleration is the acceleration that keeps the object in its circular path. The centripetal force only changes the direction of the velocity and not the magnitude.

Thus the magnitude of the velocity of the object remains the same after a time interval of Δt. But the direction of the velocity of the object will be changed and will be unknown after Δt seconds.

Final answer:

Thus the object will be traveling at 30 m/s in some unknown direction.

Therefore, the correct answer is option a.

7 0
1 year ago
Write an essay about the things an individual must do in order to adapt and survive the changes that are happening in his/her en
Scorpion4ik [409]
Sorry Man If you ask this question no one wants to write an essay and waste their time. You are smart enough to write an essay.
7 0
3 years ago
A boxer can hit a heavy bag with great force. Why can't he hit a piece of tissue paper in midair with the same amount of force?
12345 [234]

Answer:

This is due to impulse

Explanation:

Impulse equal to mΔv and FΔt

You can set these equal as mΔv = FΔt

When a boxer punches a tissue, it is like punching a cushion or a pillow. The time that the hit takes is much grater than if they were to hit something solid. In addition, the change in velocity of the boxer's arm would be much greater when they hit a punching bag. In this equation, the greater the time, the less force that is needed.

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Which statement best describes a characteristic of gases?
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Assumes the shape and volume of its container 
<span>particles can move past one another</span>
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