FarleyPhysics.com

Answer the questions here: rtqphysics-38-25.  Put your answers in a text document with the number and then your answer.  Then, include a short sentence either explaining why or summarizing the question and answer in some way.  You may work with one other person.

Example:

38: B A heated gas means energy is transferred to the gas from the heat source
39: C  10,7450 J input and 2420 J of work done leaves 8330 J of heat loss.
40: A 400 J of energy in and 25o J of work leaves 150 J
etc.

Put your document in Final Practice #1

More questions:

The boundary near a black hole where nothing can get out is called?

The theoretical tunnel created by two black holes is called?

A ray of light hitting a mirror at an angle of 35 degrees from the normal will be reflected at what angle from the normal?

The distance at which a lens focuses all parallel rays to a point is called?

For the following, use the simulation here.

The light from a lit candle refracts through a lens forming what?

The light from a lit candle placed further than the focal length of the lens forms what kind of image?

The light from a pencil placed closer than the focal length of the lens forms what kind of image?

Which of the following wave properties cause light to bend when it goes through a lens?

Go to the Black Hole Encyclopedia here.

Answer the following questions by writing the question,  an answer not using cut and paste, and including an image illustrating the answer.  You can use an Open Office document, a comic, or a Keynote.

Put it in the Black Hole Encyclopedia folder

Today you will add to yesterday’s assignment.  You must do your own searching for some of these answers.

Slide 9: What is the Event Horizon of a black hole?  Include an image.

Slide 10: Calculate the event horizon radius for a black hole formed by smashing the planet earth to a black hole size:  1. Go here to find the mass of the earth in kg, copy it.  2. Then search for “black hole event horizon” in Alpha and put the mass of the earth in there to find the event horizon radius.

Slide 11: What is the equation for the Event Horizon of a Black Hole?  You should see it in the Alpha page above. Describe the variables in the equation.

Slide 12: Hawking radiation: What is it?  Include an image.

Slide 13: What is a wormhole? Include an image.

For fun, search for your name in Alpha and find the information for your name.

Save your Keynote or comic and put it in the Black Holes Here folder on the server.  You can replace the old one or leave both.