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Semester Review
Energy
Waves/
Momentum
Electrostatics
A/Q/N
Famous
Dead Guys
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Energy
On a trampoline where does a person have the
greatest Kinetic Energy
Answer
After they go up in the air on their way
down right before they hit again
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Energy
On a trampoline where does a person have their
Greatest Potential Energy
Answer
At the top of their flight
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Jeopardy
Energy
A 500 kg car moving at 5 m/s runs into a
concrete wall. It takes 1.0 second for the truck to
Completely stop. What is the magnitude of force
Exerted on the truck during the collision?
Answer
2500 N
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Jeopardy
Energy
A 0.500 kg softball is traveling at 40 m/s.
How much Kinetic Energy does the softball have?
Answer
400 J
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Jeopardy
Energy
A person is hanging from a bungee
chord off a bridge. Name the two
types of potential energy
Answer
Elastic Potential
Gravitational
Potential
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Jeopardy
Waves
A 2.5 x 10^9 Hz microwave has a
wavelength of what?
Answer
0.12 m
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Jeopardy
Waves
If a light ray strikes a mirror at a 45° angle
with the normal, what angle will it reflect at
with the normal? What is the total angle
formed?
Answer
Reflects at 45°
Total Angle 90°
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Momentum
If an object A is at rest and is struck by
object B and a perfectly elastic collision
occurs, what is the speed of Object B after
the collision
Answer
0 m/s it will stay at rest
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Momentum
If two objects collide, what happens to the
momentum
Answer
Conserved
For every action there is an equal but opposite
reaction
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Waves
If a siren is traveling away from you,
What do you hear
Answer
The noise will reduce below the
normal pitch because of the Doppler
effect
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Electric
The formula for
Coulomb’s Law is. . .
Answer
2
Felectric=(kq1q2)/d
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Electric
In a series circuit this
Is equal throughout
Answer
current
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Electrostatics
The electron and proton of a hydrogen
atom are separated, on average, by a
distance of about 5.3 x 10-11m. Find the
magnitudes of the electric force.
Proton charge 1.60 x 10-19C
Electron charge -1.60 x 10-19C
Answer
Felectric = 8.2 x
-8
10 N
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Jeopardy
Electrostatics
Draw the Electric Field lines of a positive
charge and a negative charge
+
Answer
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Jeopardy
Electric
If you have a current of 5 amps across a
25 ohm resistor, what is the total voltage?
Answer
125 V
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Jeopardy
A/Q/N
What did Rutherfords model involve
Answer
Alpha particles
and gold foil
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Jeopardy
A/Q/N
Light acts as both a wave and a particle is
the
Answer
Dual
Nature
of Light
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Jeopardy
A/Q/N
Light bouncing on metal reflects
Electrons is
Answer
Photoelectric
effect
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Jeopardy
A/Q/N
Young’s Double Split
Experiment relies on
Answer
Interference of Light
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Jeopardy
A/Q/N
What cannot penetrate
through the skin
Answer
Alpha Particles
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Jeopardy
Famous Dead Guys
Supported idea of 2 types of
charges.
Invented the Lightning Rod
Answer
Ben Franklin
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Famous Dead Guys
His oil drop experiment proved 1.60 x 10-19 C
the charge of the electron. He applied
Coulomb’s Law to measure the charge
Answer
Robert Millikan
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Famous Dead Guys
Performed the Gold Foil experiment which
established the planetary model of an atom
that has electrons orbiting around a heavy,
positively charged nucleus, which disproved
the “plum pudding” model. He utilized alpha
particles and gold foil.
Answer
Ernest
Rutherford
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Jeopardy
Famous Dead Guys
Measured the speed of
8
light, 3.00 x 10 m/s
Answer
Albert
Michelson
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Famous Dead Guys
Formulated the law of magnetic induction
quantitatively.
Developed the theory of induction.
Induced electric currents are explained with
his laws.
Answer
Michael
Faraday
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