2 years ago

A force of 64 N gives an object an acceleration of 23.53 m/s^2. What is the mass of the object?

Physics

1 answer:

Blababa [14]2 years ago

5 0

D is the right answer for this I think

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3 years ago

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A 50.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300 and the

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Answer:

98N and 147N

Explanation:

We have the following information:

$m=50kg\\\mu_s =0.4\\\mu_k = 0.2\\F=140N$

We can find the static fricton force as follow,

$F=\mu_s * N$

Where N is the normal force (mg)

$F=0.3*50*9.8\\F=147N$

Static friction force at 147N is greater than the force applied hence body does not move.

$F=\mu_k N = 0.2*50*9.8= 98N$

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3 years ago

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$Specific\ resistance\ =resistivity\\
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p= \frac{R*A}{L}= \frac{1,5Ohm*0,025*10^{-4}m^2 }{80* 10^{-2}m }=0,0003515625 Ohm*m$

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3 years ago

When material allow to heat to pass though them rapidly they are known as __________

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They are conductors/conductive. Materials that can transfer thermal energy well are conductive.

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