L 2.3.4 Quiz: Machines and Efficiency Question 2 of 10
2 Points
What is the mechanical advantage of the wheel and axle shown below?
1.1 cm
45 cm
O A. 35.5
OB. 40.9
C. 21.2
D. 43.9
SUBMIT

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

What is the temperature in degrees celsius of a substance with a tempature of 49k

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?