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Anna71 [15]
3 years ago
12

A laser printer uses a laser beam to “burn” images onto paper. a)True b)False

Physics
2 answers:
anastassius [24]3 years ago
5 0
The answer is false because the laser doest burn the images onto the paper.
polet [3.4K]3 years ago
3 0
In laser printer, laser beam produces an image on a drum by altering the charge on the drum (where it hits), it doesn't burn images onto paper.

In short, Your Answer would be "False"

Hope this helps!
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A uniform brick of length 21 m is placed over
Paha777 [63]

Answer:

15.75 m

Explanation:

First, let's look at the top brick by itself.  In order for it not to tip over the bottom brick, its center of gravity must be right at the edge of the bottom brick.  So the edge of the top brick must be 10.5 m from the edge of the bottom brick.

Now let's look at both bricks as a combined mass.  We know the total length of this combined brick is 10.5 m + 21 m = 31.5 m.  And we know that for it to not tip over the edge of the surface, its center of gravity must be at the edge.  So the edge of the combined brick must be 31.5 m / 2 = 15.75 m from the edge of the surface.

6 0
3 years ago
Can some please help me with this. Will brainliest
barxatty [35]

Answer:

1)chest

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Explanation:

the explanation is the picture

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8 0
2 years ago
A filing cabinet weighing 556 N rests on the floor. The coefficient of static friction between it and the floor is 0.68, and the
zvonat [6]

Explanation:

"Static friction is a force that keeps an object at rest. It must be overcome to start moving the object."

(556 x 0.68) = static friction of 378.08N. before movement occurs.

The  forces (a) and (b) will not move it.  

Each will incur a frictional force preventing movement equal to itself, = 222N. and 334N. respectively.

Forces (c) and (d) will move it, and accelerate it.

Forces (c) and (d) will both encounter friction of (556 x 0.56) = 311.36N. when the cabinet is moving.

5 0
3 years ago
Pls answerrr it's urgent!!!!!
lilavasa [31]

Explanation:

the average velocity of the car is 15 m/s example I have this on a test

6 0
2 years ago
How many milligrams in 1 gram. ??? HELP !!!
blagie [28]
1,000 milligrams = 1 gram
2,000 milligrams = 2 grams
3,000 milligrams = 3 grams
4,000 milligrams = 4 grams
3 0
3 years ago
Read 2 more answers
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