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Anna71 [15]
2 years ago
7

Best exercises for these topics. (have the amount of exercises, have 4 exercises for each.)

Physics
2 answers:
Kipish [7]2 years ago
5 0

Answer:

what is the question?

Explanation:

i dont understand

yaroslaw [1]2 years ago
5 0

Answer:

follow this routine .

Explanation:

because it can build up your body fast and effectively so

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To get an accurate data reading, scientists must be sure to
joja [24]
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3 years ago
The static frictional force between a 95-kilogram object and the floor is 45 Newtons. The kinetic frictional force is only 22 Ne
Lisa [10]

Answer:

F = 69.5 [N]

Explanation:

We must remember that the friction force is defined as the product of the normal force by the coefficient of friction, and it can be calculated by the following expression.

f=N*miu

where:

N = normal force [N]

miu = friction coefficient

f = friction force = 22 [N]

Now we must calculate the force exerted by means of Newton's second law which tells us that the sum of forces on a body is equal to the product of mass by acceleration.

F - f = m*a

where:

F = force exerted [N]

f = friction force [N]

m = mass = 95 [kg]

a = acceleration = 0.5 [m/s²]

Now replacing:

F - 22 = 95*0.5\\F = 47.5 + 22\\F = 69.5 [N]

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3 years ago
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The answer for this question is B.
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How are problems best solved by scientists?
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