PHLB09H3 Lecture 4: Lecture 4 notes

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erinant175

3 Mar 2011

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Lecture 4: rights of the mother, a defence for abortion. Rights of the fetus and what they amount to and the mother"s rights. Duty versus decency: limits of rights of fetus. Cant make any exceptions for rape, threat to mothers life. rape- just because fetus is product of rape doesn"t mean the fetus" rights to life have diminished. Cant change someone"s rights just be they are a product of rape. If the fetus has rights to life, and if the fetus rights to life means you can"t kill the fetus, then the rights aren"t going to change just because the fets is a product of rape. threat to mothers life- fetus inadvertently threats mothers life, no the intention of the fetus to threaten mother"s life. You can"t make an exception in this case either (roman catholic view) Someone does pose a threat to your life but doesn"t justify killing the other.

Related Questions

Please please please help, I have a huge physicsproject duebut am a complete loss at what type of circuitsthese are

1) A circuit consists of three identical lightbulbsconnectedto a battery, but their wiring scheme is unknown. Whenbulb C isunscrewed, all the lights turn off. When bulb A isunscrewed, theother two stay on: bulb C becomes dimmer and bulb Bbecomesbrighter.

2) A circuit consists of three identical lightbulbsconnectedto a battery, but their wiring scheme is unknown. Whenbulb A isunscrewed, this causes bulb B to turn off but bulb C'sintensitydoes not change.

I understand the concept of complex circuits but cannotfirureout which bulbs are in series, parallel, and where they areplaced.Karma points will be awarded

1.As a rocket rises its acceleration increases. Why does thishappen? (assume that the acceleration due to gravity and airresistance are nearly constant during the ascent)

2. If the head of the hammer is loose, and you wish tighten it bybaging it against the top of a work benchm why si it bettwee tohold it with the handle down ( as indicated in the diagram to theright) than to hold with the head down?

3. If a four-engine jet accelerate down a runway at 2.0m/s^2 andone of its engines suddenly fails, how much acceleration will theramaining three produce? ( asuume that all four engines areidentical.)

4. If an elephant was chasing you, its enourmous mass would be mostthreatning, but if made a quick turn, its mass would be to youradvantage. Why?

5. Many automobile passengers waiting at traffic lights havesuffered nech injuries when their cars were struck from behind.Explain why this happens, how can head rests reduce the severity ofthis type of injury?

6. Some people used to think that a spaceship could not maneuverover it left the earths's atmosphere because it would have no airto push against, obiviously, this thinking must be wrong sincerocket engines have been used to steer vehicles through space sincethe late 1950s. how does a rocket engine manage to apply a force toa spaceship in the vacuum of outer space?

7. If a bicycle and a truck have a head-on collision, which vehicleexperiences the greater force? which undergoes the greateraccleration?

8.two closed containers look the same, but one is tightly packedwith lead and the other loosely packed with feathers. how could youdetermine which was which if you and the containers were weightlessin outer space?

9. Two teams are involved in a tug-of-war. why is it wrong to saythat the team that pulls the hardest wins? what force realllydetermines who wins?

10. The photo on the website shows a physics teacher sandwichebetween two bed of nails. A second physics teacher is pulverizing acement block on top of the upper bed with a sledgehammer. If thecement block were replaced with a smaller brick, would thedemonstration be more or less safe?

This geometry task may be helpful for devising amathematicalprocedure for the next lab.

A right triangle has legs ofknown lengths 2L and h. Find thelength of the line segment x whichis parallel to side h. Explainyour reasoning. Image in weblinkbelow:

http://paer.rutgers.edu/194/Downloads/194LAB07.pdfRY4bB71082bfFuqzISDrWGDOWfNgGl208qJNQTAhpzWjb_ahDlhGHPLz19S1Eq95&q=cache%3AnpyQu9LlzykJ%3Apaer.rutgers.edu%2F194%2FDownloads%2F194LAB07.pdf%20this%20geometry%20task%20may%20be%20helpful%20for%20devising%20a%20mathematical%20procedure%20for%20the%20next%20lab.%20A%20right%20triangle&docid=5c8a26db354186a31ce6383

POSTSCRIPT: EFFECTS OFASSUMPTIONS

The marbled murrelet is asmall bird that lives in the PacificNorthwest where old-growthforests are close to the sea. It nests inthe forests and feedsoffshore. It is now highly endangeredthroughout its range, whichextends from Northern California toAlaska.

These birds are extremelyvulnerable to loss of their habitat,because they nest exclusivelyin the same old-growth coniferoustrees that are prime targets forlogging. Considerable efforts havebeen made to protect the speciesby restricting timber operations inthe areas in which they areknown to nest. Scientists predicted thatthe population should growback. However until recently naturalistswere puzzledand

dismayed because thepopulation of marbled murrelets did notseem to be recovering oreven stabilizing.

A recent study suggests thereason why this testing experimentin conservation did not confirmthe prediction. The scientistsoverlooked an important assumption:murrelets can also be threatenedby man's activity at sea.Overfishing has severely reduced thepopulation of small,energy-rich fish that murrelets rely upon formost of theircalories.

Climate change of uncertainorigin may have also disrupted thefood chain, and El Nino currentsmay have changed the distributionof the phytoplankton that formsthe base of all marine life.

Further efforts to preservethe marbled murrelet must be basedon accurate assumptions aboutthe origin of their difficulties.

Could naturalists have betterconsidered their originalassumptions years ago? What would yousay?

PHLB09H3 Lecture 4: Lecture 4 notes

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