The vertical acceleration of a projectile
a. equals g pointing downwards.
b. equals g pointing upwards.
c. equals g pointing sometimes upwards and other times downwards.
d. is zero.
e. continuously increases.
a
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Monatomic, diatomic, and polyatomic ideal gases each undergo slow adiabatic expansions from the same initial volume and the same initial pressure to the same final volume. The magnitude of the work done by the environment on the gas:
A. is greatest for the polyatomic gas B. is greatest for the diatomic gas C. is greatest for the monatomic gas D. is the same only for the diatomic and polyatomic gases E. is the same for all three gases
Which of the following is listed in increasing conductivity?
A. doped semiconductors, pure semiconductors, conductors, insulators B. insulators, doped semiconductors, conductors, pure semiconductors C. insulators, pure semiconductors, doped semiconductors, conductors D. conductors, pure semiconductors, doped semiconductors, insulators
Graphical Addition: Vectors 
and 
obey the equation 
+ 
= 0. These vectors satisfy which one of the following statements?
A. Vectors 
and 
are at right angles to each other.
B. Vectors 
and 
point in the same direction.
C. Vectors 
and 
have the same magnitudes.
D. The magnitude of 
is the negative of the magnitude of 
.
Temperature Scales: What is absolute zero on the (a) Celsius scale and (b) on the Fahrenheit scale?
What will be an ideal response?