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Ethics Study Guide
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, False T/F: All measurements can be done with 100% accuracy.
Percent Difference When comparing two values obtained experimentally, you should use ___________
Percent Error When comparing an experimental value to a known (theoretical) value, you should
use ___________
Base Quantity A measurable quantity is known as a ____________
Derived Quantity A quantity that has to be calculated is known as ____________
The lower bound of the volume When finding the upper bound of the density, you put what number in the
denominator?
False T/F: When finding the lower bound of the volume, you just subtract the accuracy of
the instrument from the total volume.
C When applying the equations of kinematics for an object moving in one dimension,
which of the following statements must be true?
A: The velocity of the object must always be in the same direction as its
acceleration
B: The position of the object must increase with time
C: The acceleration of the object must remain constant
D: The velocity of the object must remain constant
v = 0, a = 9.8 m/s^2 down A ball is thrown straight up. What are the velocity and acceleration of the ball at the
highest point in its path?
The ball reaches its highest point when its velocity is zero;
the acceleration of gravity is never zero (it is always 9.8
m/s^2 downward)
False T/F: When finding the magnitude of the sum of two vectors, you can directly add the
magnitudes of the two vectors.
Scalar A quantity that has only a magnitude with proper units is called a _________
Vector A quantity that has both a magnitude with proper units as well as a directions is
called a __________