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igomit [66]
3 years ago
8

Which is an example of a screw? Lightbulb,ladder,screwdriver,flag pole

Physics
1 answer:
Andrei [34K]3 years ago
4 0

screwdriver :)

hope you'll give a good review!

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Please I need help on this
Alexxandr [17]
Number 4 I think
the atomic mass is 11 because the mass is the sum of protons and neutrons
3 0
3 years ago
According to einstein's theory of simple relativity (_E + mc(2)_). BLANK is converted into BLANK.
True [87]

Answer:

energy is converted into mass

Explanation:

8 0
3 years ago
3.27 moles of an ideal gas in a 50.0 L tank has a pressure of 171000 Pa. What is the temperature of the gas? (Unit=degrees C)
laiz [17]

The temperature of the gas is 41.3 °C.

Answer:

The temperature of the gas is 41.3 °C.

Explanation:

So on combining the Boyle's and Charles law, we get the ideal law of gas that is PV=nRT. Here P is the pressure, V is the volume, n is the number of moles, R is gas constant and T is the temperature. The SI unit of pressure is atm. So we need to convert 1 Pa to 1 atm, that is 1 Pa = 9.86923×10^{-6} atm. Thus, 171000 Pa = 1.6876 atm.

We know that the gas constant R = 0.0821 atmLMol–¹K-¹. Then the volume of the gas is given as 50 L and moles are given as 3.27 moles.

Then substituting all the values in ideal gas equation ,we get

1.6876×50=3.27×0.0821×T

Temperature = \frac{84.38}{0.268467} =314.3 K

So the temperature is obtained to be 314.3 K. As 0°C = 273 K,

Then 314.3 K = 314.3-273 °C=41.3 °C.

Thus, the temperature is 41.3 °C.

3 0
4 years ago
Is there a such thing as an elastic collision? Why do we study the case of the elastic collision in Physics?
fredd [130]
Yes there is an elastic collision in physics its when a collision occurs but no kinetic energy is loss. We study them in order to understand how to conserve momentum.
6 0
3 years ago
Which of the following does not have a global cycle?
Darya [45]
The answer is c hope it helps
8 0
3 years ago
Read 2 more answers
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