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shusha [124]
2 years ago
15

Brainly malfunction?| I'm not sure why but...

Physics
1 answer:
Brut [27]2 years ago
6 0

Answer:

its probably still trying to load ur next rank or whatever it did it to me too

Explanation:

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You place a 55.0 kg box on a track that makes an angle of 28.0 degrees with the horizontal. The coefficient of static friction b
Radda [10]

Answer:

\theta=34 \textdegree

Explanation:

From the question we are told that:

Mass m=55kg

Angle \theta =28.0

Coefficient of static friction \alpha =0.680

Generally, the equation for Newtons second Law is mathematically given by

For

\sum_y=0

N=mgcos \theta

for

\sum_x=0

F_{s}=mgsin\theta

Where

F_{s}=\alpha*N\\\\F_{s}=\alpha*m*gcos \theta

F_{s}=0.68*55*9.8*cos 28

F_{s}=323.62N

Therefore

\alpha mgcos \theta=mg sin \theta

\theta=tan^{-1}(0.68)

\theta=34 \textdegree

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2 years ago
A vector is<br> In English
zzz [600]
A vector is a quantity or phenomenon that has two independent properties: magnitude and direction.
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What is the best definition of vectors?
mariarad [96]

Answer:

Number value and direction

Explanation:

Vectors are quantities that can be identified by value and direction . Examples are velocity and acceleration

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3 years ago
A box of mass 1 kg is hung from a spring scale. The reading on the spring scale is approximately 10N. What would be the reading
8090 [49]
The answer will be 50N.
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The amount of energy carried by a wave and the waves maximum displacement from the rest position describe what?
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