PHYS 250 Final Exam 2025 COMPLETE EXAM
QUESTIONS AND VERIFIED ANSWERS
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Consider two children They both have the same angular speed.
sitting on a merry-go-
round, with one closer to
the outer edge and one
closer to the center.
Which child has a greater
angular speed?
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, 6/9/25, 1:03 PM PHYS 250 Final Exam 2025 COMPLETE EXAM QUESTIONS AND VERIFIED ANSWERS |RECENTLY TESTING REAL EXAM QU…
Consider two equal 2MR^2
masses M attached to the
ends of massless rods, of
length R, as shown in the
figure. Treat the two
masses as point masses,
each located at a distance
R from the point where
the rods touch.
What is the moment of
inertia of this system,
about an axis
perpendicular to the page
and passing through the
point where the rods
touch?
Consider the three objects The aluminum
shown in water. The wood
floats while the aluminum
and the steel sink. The
wooden and aluminum
blocks are the same size.
The aluminum and steel
blocks have equal mass
and the density of steel is
greater than the density of
aluminum.
Which object has the
greatest buoyancy force
on it?
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