physics/astronomy quiz 3

Question # 00601497 Posted By: ubstella1 Updated on: 10/10/2017 12:50 AM Due on: 10/20/2017
Subject Astronomy Topic Elementary Astrophysics Tutorials:
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Question 1 6 / 6 points

Absolute zero is the lower limit of temperature.True/False

Question 2 

Pick the statement below that is true.

slower average speed implies higher temperature

low temperature always means low heat

heat may be low or high regardless of temperature

high temperature always means high heat

faster average speed implies lower temperature

Question 3 

Which of the following is not a method of heat transfer?

temperature inversion

conduction

convection

radiation

Question 4 

Evaporation is a _____ process.

condensation

cooling

convection

heating

Question 5 

One side of an asteroid is constantly illuminated by the Sun while the other side remains in the dark. If the two sides are at different temperatures, how might heat transfer from one side to the other? Note that our asteroid does not have enough gravity to hold an atmosphere.

conduction

convection

radiation

temperature inversion

Question 6

A bathtub filled with room temperature water has a lower heat content than a bucket of boiling water.

Incorrect Response True

Correct Answer False

Question 7 

Condensation is a _____ process.

heating

evaporation

cooling

convection

Question 8 

Electric fields are not produced by electric charges.

True/false

Question 9 

A electric charge will always experience a force in a electric field.

 True/ False

Question 10 

The direction of the force felt by a negative electric charge in electric field is _____ .

in the same direction as the electric field

in the direction opposite the electric field

perpendicular to the direction of the electric field

none of the above

Question 11 

The force between two 3.11 x 10^-4 C charges that are 3.11 meters apart is ____ N.

Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.

Answer:

Question 12 

The amount of heat released when 3.0 grams of steam at 100 degrees Celsius is converted into liquid water at 100 degrees Celsius is ____ J.

Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.

Answer:

Question 13 

Determine the number of calories needed to change 27 g of water at 25 °C into steam at 100 °C.

Only enter your numerical answer below - do not include units.

Answer:

Question 14 

You need to add ____ J of heat to raise the temperature of 110 grams of water by 16 degrees Celsius.

Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.

Answer:

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Tutorials for this Question
  1. Tutorial # 00599875 Posted By: ubstella1 Posted on: 10/10/2017 12:58 AM
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