Spring Semester Jeopardy

download report

Transcript Spring Semester Jeopardy

Semester Review
Energy
Waves/
Momentum
Electrostatics
A/Q/N
Famous
Dead Guys
$100
$100
$100
$100
$100
$200
$200
$200
$200
$200
$300
$300
$300
$300
$300
$400
$400
$400
$400
$400
$500
$500
$500
$500
$500
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
Back to
Jeopardy
Energy
On a trampoline where does a person have their
Greatest Potential Energy
Answer
At the top of their flight
Back to
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
Back to
Jeopardy
Energy
A 0.500 kg softball is traveling at 40 m/s.
How much Kinetic Energy does the softball have?
Answer
400 J
Back to
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
Back to
Jeopardy
Waves
A 2.5 x 10^9 Hz microwave has a
wavelength of what?
Answer
0.12 m
Back to
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°
Back to
Jeopardy
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
Back to
Jeopardy
Momentum
If two objects collide, what happens to the
momentum
Answer
Conserved
For every action there is an equal but opposite
reaction
Back to
Jeopardy
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
Back to
Jeopardy
Electric
The formula for
Coulomb’s Law is. . .
Answer
2
Felectric=(kq1q2)/d
Back to
Jeopardy
Electric
In a series circuit this
Is equal throughout
Answer
current
Back to
Jeopardy
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
Back to
Jeopardy
Electrostatics
Draw the Electric Field lines of a positive
charge and a negative charge
+
Answer
Back to
Jeopardy
Electric
If you have a current of 5 amps across a
25 ohm resistor, what is the total voltage?
Answer
125 V
Back to
Jeopardy
A/Q/N
What did Rutherfords model involve
Answer
Alpha particles
and gold foil
Back to
Jeopardy
A/Q/N
Light acts as both a wave and a particle is
the
Answer
Dual
Nature
of Light
Back to
Jeopardy
A/Q/N
Light bouncing on metal reflects
Electrons is
Answer
Photoelectric
effect
Back to
Jeopardy
A/Q/N
Young’s Double Split
Experiment relies on
Answer
Interference of Light
Back to
Jeopardy
A/Q/N
What cannot penetrate
through the skin
Answer
Alpha Particles
Back to
Jeopardy
Famous Dead Guys
Supported idea of 2 types of
charges.
Invented the Lightning Rod
Answer
Ben Franklin
Back to
Jeopardy
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
Back to
Jeopardy
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
Back to
Jeopardy
Famous Dead Guys
Measured the speed of
8
light, 3.00 x 10 m/s
Answer
Albert
Michelson
Back to
Jeopardy
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
Back to
Jeopardy