Author Question: An ideal gas undergoes an adiabatic process while doing 25 J of work. What is the change in internal ... (Read 73 times)

washai · **on:** Jul 29, 2018

An ideal gas undergoes an adiabatic process while doing 25 J of work. What is the change in internal energy?

A)

zero
B)

50 J
C)

25 J
D)

-25 J
E)

none of the above

Question 2

A damped harmonic oscillator, with a damping force proportional to its speed, is oscillating with an amplitude of 0.500 cm at t = 0.

When t = 8.20 s, the amplitude has died down to 0.400 cm. At what value of t will the oscillations have an amplitude of 0.250 cm?
A)

18.5 s

B)

20.5 s

C)

16.5 s

D)

25.5 s

E)

5.13 s