Physics SLO Review Question Preview (ID: 42643)


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What does a prism use to split light
a) refraction
b) reflection
c) absorbtion
d) transmittion

Which of the following is an example of a digital signal?
a) An MP3 player
b) Your voice
c) A text message
d) Both an MP3 player and a text message

Which signals tansmits information
a) only an analog signal
b) only a digital signal
c) Both a digital and analog signal
d)

While trapped in a cave you start yelling for help and hear an echo. Which of the following models represents why you are hearing an echo?
a) Transmission
b) Reflection
c) Refraction
d) Absorption

Select the best argument and evidence to explain the phenomenon of the bottom of your shoe sole melting when you press on a metal scooter brake.
a) The hot tire melted your shoe because gravitational potential energy changed to elastic potential energy.
b) The brake got hot and melted your shoe because heat energy changed into kinetic energy through friction.
c) The hot brake melted your shoe because potential energy changed to kinetic energy
d) The brake got hot and melted your shoe because kinetic energy changed into heat energy through friction.

How does the distance in the system affect the amount of energy given to the rock in the sling shot?
a) Pulled back more → more potential energy in slingshot → more kinetic energy for the rock.
b) Pulled back more → more potential energy in the slingshot → less kinetic energy for the rock.
c) Pulled back less → more potential energy in the slingshot → more kinetic energy for the rock
d) Pulled back less → more potential energy in the slingshot → less kinetic energy for the rock.

Where on a roller coaster has the most gravitational potential energy?
a) At the top of the largest hill
b) At to bottom of the largest hill
c) Half way down the largest hill
d) At the top of a loop

What is the relationship between the amount of mass and the amount of kinetic energy of an object moving at a constant speed.
a) More mass has more kinetic energy
b) The amount of mass does not change the amount of kinetic energy
c) More mass has less kinetic energy
d)

Two trucks coast down a hill toward a brick wall. One is empty and one is full of stone. Which would you expect to cause the most damage to the brick wall and why?
a) The empty truck because it is moving faster.
b) Both trucks will cause the same damage because they are the same size.
c) The full truck because it has less kinetic energy.
d) The full truck because it has more kinetic energy.

What is amplitude?
a) The Length of a wave
b) The Length of the top of a wave
c) measure of a wave from the still position to the height of the crest
d) A substance waves travel through

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