Final TESU physics 116; Questions and Answers 100% Correct
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Course
TESU
Institution
TESU
Final TESU physics 116; Questions and Answers
100% Correct
why cant we travel at 99.99% the speed of light Correct answer-not enough propulsive
energy and shielding against radiation.
hypothetical particles that could move both faster than light and backward in time are called
Correct answ...
Final TESU physics 116; Questions and Answers
100% Correct
why cant we travel at 99.99% the speed of light Correct answer-not enough propulsive
energy and shielding against radiation.
hypothetical particles that could move both faster than light and backward in time are called
Correct answer-tachyons
how may observers in universe see us from their point of view Correct answer-they see
us living in slow motion
what does the concept of time apply to Correct answer-events and entities within the
universe, not the universe as a whole
where does spacetime exist Correct answer-WITHIN the universe
as the speed of an object approaches the speed of light, its momentum? Correct answer-
approaches infinity
photons of light are Correct answer-massless
a piece of matter, even at rest and not interacting with anything else, has an "energy of being"
this is called Correct answer-rest energy
, Final TESU physics 116; Questions and Answers
100% Correct
E=mc^2 what does C^2 mean Correct answer-conversion factor between energy units
and mass units. it converts the measurement of mass to the measurement of equivalent energy
A change in energy of any object at rest is accompanied by a change in Correct answer-its
mass
The filament of a lightbulb energized with electricity has Correct answer-more mass than
when turned off.
E=MC^2 is the ratio of Correct answer-rest energy to mass
a speck of matter with a mass of only 1 mg has a rest energy of Correct answer-90 billion
J
Energy and mass are Correct answer-the same thing. if you want to know how much
energy is in a system measure its mass
The ratio v^2 / c^2 is very small and for everyday speeds may be taken Correct answer-to
zero
if the acceleration of the spaceship were equal to G the occupants could well be convinced that
the ship Correct answer-was not accelerating but was at rest on the surface of earth
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