Latest Update 2025
can an object have varying speed if its velocity is constant? yes or
no and give a good example. -
correct answer ✅no because constant velocity is very specific. it
means both the speed (magnitude) and direction must remain the
same for a given amount of time.
can an object have a varying velocity if its speed is constant? yes or
no and give a good example. -
correct answer ✅yes, you could be traveling at a constant rate but
change direction. if you change direction then the velocity changes.
for example, a merry-go-round or a car changing lanes on the
highway
if one object has a greater speed than a 2nd object, does the 1st
necessarily have a greater acceleration? explain and give an
example. -
correct answer ✅no, the first object may be traveling at a constant
velocity while a second object is either increasing or decreasing its
velocity. the second object would have an acceleration rate while
the first would not.
explain in detail the difference between distance and displacement
and how these terms are related to speed and velocity. -
, Physics Final Exam Questions And Answers
Latest Update 2025
correct answer ✅distance is a scalar, it has no direction. it is all of
the miles, kilometers, or meters traveled in a given situation. it is
related to speed since speed is distance divided by time with no
regard to direction.
velocity is a vector since direction is important. it is related to
displacement divided by time in a given direction.
as a freely falling object speeds up (falling down), what is
happening to its acceleration due to gravity—does it increase,
decrease or stay the same? -
correct answer ✅the acceleration remains constant (9.8 m/s^2)
how could you mathematically estimate the maximum height you
could throw a ball vertically upward? how would you estimate the
maximum speed you could give it? -
correct answer ✅you would use the kinematic equation y=Vot +
1/2(g)(t)^2 using the time in one direction.
can an object have zero velocity and nonzero acceleration at the
same time? -
correct answer ✅yes, when an object reaches max height the
velocity is zero only when the velocity is vertical