semester review. energywaves/momentumelectrostaticsa/q/n famous dead guys $100 $200 $300 $400 $500

Semester ReviewSemester Review

EnergyEnergyWaves/Waves/

MomentumMomentumElectrostatiElectrostati

cscs A/Q/NA/Q/N Famous Famous Dead GuysDead Guys

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$200 $200 $200 $200 $200

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Answer

EnergyEnergy

On a trampoline where does a person have the greatest Kinetic Energy

After they go up in the air on their After they go up in the air on their way down right before they hit againway down right before they hit again

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EnergyEnergy

Answer

On a trampoline where does a person have theirGreatest Potential Energy

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At the top of their flight

Answer

EnergyEnergy

A 500 kg car moving at 5 m/s runs into a concrete wall. It takes 1.0 second for the truck toCompletely stop. What is the magnitude of forceExerted on the truck during the collision?

2500 N2500 N

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Answer

EnergyEnergy

A 0.500 kg softball is traveling at 40 m/s.How much Kinetic Energy does the softball have?

400 J400 J

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Answer

A person is hanging from a A person is hanging from a bungee chord off a bridge. Name bungee chord off a bridge. Name the two types of potential energythe two types of potential energy

EnergyEnergy

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Elastic Elastic PotentialPotential

Gravitational Gravitational PotentialPotential

WavesWaves

Answer

A 2.5 x 10^9 Hz microwave has a A 2.5 x 10^9 Hz microwave has a wavelength of what?wavelength of what?

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0.12 m0.12 m

Answer

WavesWavesIf a light ray strikes a mirror at a 45° If a light ray strikes a mirror at a 45°

angle with the normal, what angle will angle with the normal, what angle will it reflect at with the normal? What is it reflect at with the normal? What is

the total angle formed?the total angle formed?

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Reflects at Reflects at 45°45°

Total Angle Total Angle 90°90°

Answer

MomentumMomentum

If an object A is at rest and is struck by If an object A is at rest and is struck by object B and a perfectly elastic collision object B and a perfectly elastic collision occurs, what is the speed of Object B occurs, what is the speed of Object B

after the collisionafter the collision

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0 m/s it will stay at rest0 m/s it will stay at rest

Answer

MomentumMomentumIf two objects collide, what happens to If two objects collide, what happens to

the the

momentummomentum

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ConservedConserved

For every action there is an equal but opposite For every action there is an equal but opposite reactionreaction

Answer

WavesWavesIf a siren is traveling away from you, If a siren is traveling away from you,

What do you hearWhat do you hear

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The noise will reduce below the The noise will reduce below the normal pitch because of the normal pitch because of the

Doppler effectDoppler effect

Answer

ElectricElectric

The formula for The formula for Coulomb’s Law is. . .Coulomb’s Law is. . .

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FFelectricelectric=(kq=(kq11qq22)/d)/d22

Answer

ElectricElectric

In a series circuit this In a series circuit this

Is equal throughoutIs equal throughout

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currentcurrent

AnswerAnswer

ElectrostaticsElectrostaticsThe electron and proton of a The electron and proton of a

hydrogen atom are separated, on hydrogen atom are separated, on average, by a distance of about 5.3 x average, by a distance of about 5.3 x 1010-11-11m. Find the magnitudes of the m. Find the magnitudes of the

electric force.electric force.

Proton charge 1.60 x 10Proton charge 1.60 x 10-19-19CC

Electron charge -1.60 x 10Electron charge -1.60 x 10-19-19CC

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FFelectricelectric = 8.2 x 10 = 8.2 x 10-8-8NN

AnswerAnswer

ElectrostaticsElectrostaticsDraw the Electric Field lines of a Draw the Electric Field lines of a

positive charge and a negative chargepositive charge and a negative charge

+ -+ -

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AnswerAnswer

ElectricElectricIf you have a current of 5 amps across If you have a current of 5 amps across

a a

25 ohm resistor, what is the total 25 ohm resistor, what is the total voltage?voltage?

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125 V125 V

AnswerAnswer

What did Rutherfords model involveWhat did Rutherfords model involve

A/Q/NA/Q/N

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Alpha Alpha particles and particles and

gold foilgold foil

AnswerAnswer

Light acts as both a wave and a Light acts as both a wave and a particle is the particle is the

A/Q/NA/Q/N

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Dual Dual Nature Nature

of of LightLight

AnswerAnswer

A/Q/NA/Q/N

Light bouncing on metal reflectsLight bouncing on metal reflects

Electrons isElectrons is

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PhotoelectriPhotoelectric effectc effect

AnsweAnswerr

A/Q/NA/Q/N

Young’s Double SplitYoung’s Double Split

Experiment relies onExperiment relies on

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Interference of LightInterference of Light

AnswerAnswer

What cannot penetrate What cannot penetrate through the skinthrough the skin

A/Q/NA/Q/N

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Alpha ParticlesAlpha Particles

AnswerAnswer

Supported idea of 2 types of Supported idea of 2 types of charges.charges.

Invented the Lightning RodInvented the Lightning Rod

Famous Dead GuysFamous Dead Guys

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Ben Ben FranklinFranklin

AnswerAnswer

Famous Dead GuysFamous Dead Guys

His oil drop experiment proved 1.60 x His oil drop experiment proved 1.60 x 1010-19-19 C the charge of the electron. He C the charge of the electron. He applied Coulomb’s Law to measure the applied Coulomb’s Law to measure the

chargecharge

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Robert MillikanRobert Millikan

AnswerAnswer

Famous Dead GuysFamous Dead GuysPerformed the Gold Foil experiment Performed the Gold Foil experiment

which established the planetary model which established the planetary model of an atom that has electrons orbiting of an atom that has electrons orbiting

around a heavy, positively charged around a heavy, positively charged nucleus, which disproved the “plum nucleus, which disproved the “plum pudding” model. He utilized alpha pudding” model. He utilized alpha

particles and gold foil.particles and gold foil.

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Ernest Ernest RutherforRutherfor

dd

AnswerAnswer

Famous Dead GuysFamous Dead Guys

Measured the speed Measured the speed of light, 3.00 x 10of light, 3.00 x 1088

m/sm/s

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Albert Albert MichelsonMichelson

AnswerAnswer

Famous Dead GuysFamous Dead GuysFormulated the law of magnetic Formulated the law of magnetic

induction quantitatively.induction quantitatively.

Developed the theory of induction.Developed the theory of induction.

Induced electric currents are explained Induced electric currents are explained with his laws.with his laws.

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Michael Michael FaradayFaraday