Verified Chapters 1 - 12, Complete Newest Version
Three of the fundamental physical quantities in physics are? - ANSWER:distance,
time, and mass
When the period of a pendulum is less than 1 second, the frequency is always
greater than 1 hertz. - ANSWER:True
How many grams is one kilogram? - ANSWER:1,000
What is true for objects moving with constant speed? - ANSWER:the instantaneous
speed and average speed are always equal
What is the highest speed that can be observed in nature? - ANSWER:the speed of
light
A physical quantity that has a direction associated with it is called what? -
ANSWER:vector
As a car is traveling down a road, it is possible for its speed to be changing while its
velocity is constant - ANSWER:False
What statement is false concerning "when two velocities are added, the resultant
velocity - ANSWER:Cannot have zero magnitude
When an objects velocity is changing, we say that the object is -
ANSWER:accelerating
a free falling body experiences - ANSWER:constant acceleration
the acceleration of a slow-moving object can be greater than the acceleration of a
fast-moving object. - ANSWER:True
when something moves in a circle with constant speed, - ANSWER:its acceleration is
perpendicular to its velocity
what is different about the graph of distance versus time for a fast-moving object
compared to that of a slow-moving object? - ANSWER:larger slope
a rock dropped from the top of a tall building travels the same distance during each
1-second interval that it falls - ANSWER:false