In a steam engine the pressure and volume of steam satisfy the equation 
, where k is a constant. (This is true for adiabatic expansion, that is, expansion in which there is no heat transfer between the cylinder and its surroundings.) Calculate the work done by the engine (in ft-lb) during a cycle when the steam starts at a pressure of 
and a volume of 
and expands to a volume of 
. Use the fact that the work done by the gas when the volume expands from
src="https://sciemce.com/media/4/37efc86cbced13u.png" class="w-image" /> to volume 
is 
What will be an ideal response?
Mathematics
src="https://sciemce.com/media/4/37efc86cbced13u.png" class="w-image" /> to volume is
What will be an ideal response?
Mathematics
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Write the number in decimal notation.Nine and two hundred fourteen ten-thousandths
A. 9.0214 B. 9.214 C. 9.00214 D. 0.90214
Mathematics
Simplify 
if 
.
?
A. 
B. 
C. x
D. 
E. 
Mathematics
Find the order of the matrix product AB and the product BA, whenever the products exist.A is 4 x 2, B is 2 x 4.
A. AB is 2 x 2, BA is 4 x 4. B. AB is 4 x 4, BA is nonexistent. C. AB is nonexistent, BA is 2 x 2. D. AB is 4 x 4, BA is 2 x 2.
Mathematics
Use a table to find the indicated limit.
(x2 + 8x - 2)
A. -18 B. 0 C. does not exist D. 18
Mathematics