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balu736 [363]
3 years ago
13

The internal energy of a material is determined by _____.

Physics
2 answers:
devlian [24]3 years ago
8 0

its the combined amount of kinetic and energy molecules. if wrong then temperature for backup

lukranit [14]3 years ago
5 0

i believe i could be wrong but i think its kinetic energy.

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A physics major is cooking breakfast when he notices that the frictional force between the steel spatula and the Oiled Steel fry
Alinara [238K]

Answer:

N  = 6.67 N

Explanation:

The frictional or frictional force is a force that arises from the contact of two bodies and opposes movement.

The friction is due to imperfections and roughness, mainly microscopic, that exist on the surfaces of the bodies. Upon contact, these roughnesses engage with each other making movement difficult. To minimize the effect of friction, either the surfaces are polished or lubricated, since the oil fills the imperfections, preventing them from snagging.

As the frictional force depends on the materials and the force exerted on one another, its magnitude is obtained by the following expression:

f = μ*N    Formula (1)

where:  

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μ is the coefficient of friction

N is the normal force (N)

Data

f = 0.2 N : frictional force between the steel spatula and the Oiled Steel frying pan

μ = 0.03 :coefficient of kinetic friction between the two materials

Calculating of normal force

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f = μ*N  

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5 0
3 years ago
A ball of mass 2 kg is kept on the hill of height 3 km. Calculate the potential energy possessed by it ?
zysi [14]
We know that -

P.E=m*g*h

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m = mass

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Do you see that blank, open space after the word "potential ..." ?

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Two forces are going in opposite directions each force is 9.
professor190 [17]

Answer:

The net force is zero.

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