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mamaluj [8]
2 years ago
13

Pls help I’ll add extra points 5=x/3- 14 Check ur work

Physics
1 answer:
Liula [17]2 years ago
8 0

Answer:

5 = x/3 - 14

x = 57

Explanation:

5 = 57/3 - 14

5 = 5 True

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All of the following except ______ were part of RCA. A. Westinghouse B. Columbia Broadcasting System C. United Fruit Company D.
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Columbia broadcasting system was never been a part of RCA corporation. The other companies Westinghouse, united fruit company and general electric were remain as part of RCA.

Explanation:

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6. Can an object accelerate, but not speed up or slow down?<br> Explain:
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Electric field lines show the strength and _____ of an electric field.
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3 years ago
5. Kelvin applied a rightward force of 302 N to a 29 kg desk to accelerate it across the floor. The
Naddik [55]

The force of friction is 213.2 N

Explanation:

The frictional force acting on an object sliding on a surface is given by:

F_f = \mu mg

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g is the acceleration of gravity

In this problem we have

\mu=0.750

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g=9.8 m/s^2

Therefore, the force of friction is

F_f = (0.750)(29)(9.8)=213.2 N

Learn more about friction:

brainly.com/question/6217246

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3 years ago
In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallw
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Answer:

The coefficient of kinetic is

u_{k}=0.59

Explanation:

The forces in the axis 'x' and 'y' using law of Newton to find coefficient of kinetic friction

ΣF=m*a

ΣFy=W-N=0

ΣFy=Fn-Fu=m*a

F_{u} =u_{k} *N\\F_{N}=25N\\N=W\\N=3.5kg*9.8\frac{m}{s^{2} }=34.3N

F_{N}-F_{u}=m*a\\F_{N}-u_{k}*N=m*a\\u_{k}*N=F_{N}-m*a\\u_{k}=\frac{F_{N}-m*a}{N}

Now to find the coefficient can find the acceleration using equation of uniform motion accelerated

v_{f} ^{2}=v_{o}^{2}+2*a(x_{f}-x_{o})\\x_{o}=0\\v_{o}=0\\v_{f} ^{2}=2*a*x_{f}\\a=\frac{v_{f} ^{2}}{2*a*x_{f}}\\ a=\frac{(1.53\frac{m}{s} )^{2}}{2*0.91m}\\a= 1.28 \frac{m}{s^{2} }

So replacing the acceleration can fin the coefficient:

u_{k}=\frac{F_{N}-m*a }{N}\\u_{k}=\frac{25N-(3.5kg*1.28\frac{m}{s^{2}} }{34.3N} \\u_{k}=0.59

5 0
3 years ago
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