PHSC 1000 Final Exam Study ZT
A 10 kg brick and a 1 kg book are dropped in a vacuum. The acceleration of the 10 kg brick
is
a.5 times as much as for the 1 kg book
b.10 times as much as for the 1 kg book
c.The same as that of the 1 kg book
d.Zero - correct answer-c.The same as that of the 1 kg book
A baseball and a golf ball have the same momentum. Which has the greater kinetic energy?
a.The golf ball
b.The baseball ball
c.Both have the same kinetic energy.
d.They have no kinetic energy - correct answer-a.The golf ball
A bird can sit harmlessly on an uninsulated high-voltage wire because
a.Current is inside, not outside, the wire
b.The wire is insulated
c.There is no potential difference across the birds feet
d.There is no net charge on a current-carrying wire - correct answer-c.There is no potential
difference across the birds feet
A bundle of light is called a(n) _______.
a.proton
b.neutron
c.photon
d.electron - correct answer-c.photon
A certain isotope has a half-life of one day. This means the amount of that isotope remaining
at the end of two days will be
a.zero.
b.one eighth.
c.one quarter.
d.half. - correct answer-c.one quarter.
A composite volcano is formed by
a.the accumulation of ash, cinders, and rock debris.
b.a mixture of rock and lava.
c.successive flows of fluid basaltic lava.
d.alternating layers of lava, ash, and mud flow debris. - correct answer-d.alternating layers of
lava, ash, and mud flow debris.
A device that transforms electrical energy into mechanical energy is a
a.Motor
b.Magnet
c.Generator
,d.Transformer - correct answer-a.Motor
A device that transforms mechanical energy into electrical energy is a
a.Motor
b.Magnet
c.Generator
d.Transformer - correct answer-c.Generator
A Doppler effect occurs when a source of sound moves
a.Toward you
b.Away from you
c.Either of these - correct answer-c.Either of these
A Mack truck and a mini cooper traveling at the same speed collide head on. The collision
force is greatest on the
a.Mack truck
b.Mini cooper
c.Same on both - correct answer-c.Same on both
A metamorphic rock is made by
a.Rocks transformed by heat and/or pressure without melting
b.Rocks transformed by heat and/or pressure with melting
c.Rocks made entirely of mineral crystals - correct answer-a.Rocks transformed by heat
and/or pressure without melting
A mirage is the result of atmospheric
a.Reflection
b.Scattering
c.Aberrations
d.Refraction - correct answer-d.Refraction
A nucleus with an atomic number of 37 and a mass number of 97 must have
a.37 neutrons.
b.60 neutrons.
c.134 neutrons. - correct answer-b.60 neutrons.
A positive charge and a negative charge near each other are released. They will move
a.Towards each other
b.Away from each other
c.They won't actually move at all - correct answer-a.Towards each other
A rocket ship is flying through space away from any gravitational influences. It runs out of
fuel at a speed of 30,000 km/h. It will
a.Speed up
b.Slow down
c.Continue going 30,000 km/h
d.Stop moving - correct answer-c.Continue going 30,000 km/h
, A sedimentary rock is formed by
a.rock formed from sediments glued together or from evaporites
b.rock formed from sediments glued together - correct answer-a.rock formed from sediments
glued together or from evaporites
A shock wave is produced when the speed of an object
a.Goes faster than the speed of sound in air
b.Greatly increases in amplitude
c.Matches the speed of sound in air - correct answer-a.Goes faster than the speed of sound
in air
A soil with rounded particles of similar size will have a higher porosity than a soil with
rounded particles of various sizes, because
a.it will have a higher permeability.
b.water flows more easily through rounded particles. c.smaller sediment grains will fill the
open pore spaces between larger grains.
d.poorly sorted sediment will have more open pore spaces. - correct answer-c.smaller
sediment grains will fill the open pore spaces between larger grains.
A sound wave is a
a.Transverse wave
b.Longitudinal wave
c.Standing wave
d.Shock wave - correct answer-b.Longitudinal wave
A space probe in remote outer space continues moving
a.Even though no force acts on it
b.Because some kind of force acts on it
c.In a curved path
d.Due to gravity - correct answer-a.Even though no force acts on it
A transformer actually transforms
a.Motors into generators
b.Energy from one value of voltage to a different value of voltage
c.Magnetic and electric field lines
d.Generators into motors - correct answer-b.Energy from one value of voltage to a different
value of voltage
Acceleration is proportional to
a. net force
b.A constant velocity
c.A change in speed or direction
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ACTUALSTUDY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
