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3 years ago

Firetrucks have the world FIRE written two ways,as seen here,on the front of the truck.Why is that ?

Physics

1 answer:

docker41 [41]3 years ago

4 0

Answer:

While the image this question refers to is missing, I am assuming it shows the word FIRE (1) written in a normally readable way, (2) written in a mirrored way. The display (2) is used in order for other vehicle drivers being able to read the word FIRE in their mirrors (rearview and side). The word printed in a mirrored way will appear normal via a mirror (i.e., the mirror "undoes" the mirroring originally introduced).

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You are operating a pwc. you are heading straight toward a dock. you turn the engine off and then turn the steering control hard

White raven [17]

In this case, the PWC will head for the dock. This is because, power needs to be applied in order to maintain steering control. If the throttle is left to idle or if the engine is turn off during operation, all steering control will be lost. In each of this situation, the PWC will continue in the was headed before the engine was turned off or before the throttle was left to idle.

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4 years ago

A certain material has a mass of 565 g while occupying 50 cm3 of space. What is this material?

EastWind [94]

<u>Answer:</u>

Lead

<u>Explanation:</u>

To get the density of the material, the formula would be:

mass divided by volume which is given by $d = \frac { m } { v }$ .

Here in this problem, we are given a mass of $565 g$ which occupies a volume of $50 cm^3$ .

So plugging the data in the above formula to find the density:

Density = $\frac { 565 } { 50 } = 11.3$

From the table, we can see that the material is Lead which has a density of 11.3c/cm^3.

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3 years ago

A man pulls a wagon with a handle that is at an angle of 42° with the ground. If the man pulls with 330 N of force, how much for

Fed [463]

Answer:

245N

Explanation:

We just need to multiply the force the man pulls the wagon by the cosine of the angle with the ground.

F = 330N * cos(42°) = 245.2N

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Lana71 [14]

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Allisa [31]

Answer:

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3 years ago

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