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Biblioteka

Test Unit 3 and 1,2,6 Dec2019 MEDUCA

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Pitanje 1
1.

Its a constant that indicates the amount of heat to melt a solid per unit mass

Pitanje 2
2.

It is the average of the random kinetic energy of the molecules in a substance.

Pitanje 3
3.

Is the total of the potential energy between molecules and the random kinetic energy of the particles.

Pitanje 4
4.

Is the transfer of thermal energy to a substance.

Pitanje 5
5.

Latent heat means

Pitanje 6
6.

In order to convert Celsius to Kelvins we ...

Pitanje 7
7.

If mass and temperature are fixed in a gas, when we increase the pressure ...

Pitanje 8
8.

If mass and pressure are fixed in a gas, when we decrease the temperature ...

Pitanje 9
9.

Q = mc∆T

Pitanje 10
10.

The Boltzmann constant is ...

Pitanje 11
11.

Answer correctly and show calculations.

Pitanje 12
12.

Answer correctly and show calculations.

Pitanje 13
13.

Answer correctly and show calculations.

Pitanje 14
14.

Answer correctly and show calculations.

Pitanje 15
15.

Answer correctly and show your work

Pitanje 16
16.

Answer correctly and show your work

Pitanje 17
17.

If m = 6.8 ± 0.3 kg and v = 1.9 ± 0.1 ms-1. Find the absolute uncertainty with correct significant figures for m•v

Pitanje 18
18.

The block is sliding down with acceleration and friction. Sketch the forces on the block and the F.B.D. on the right.