A bob attached to a string of length 2 m, is displaced by an angle of 8º and then released from rest. The maximum angular acceleration, O"max, is: (Take g = 10
m/s2)
0.56 rad/s2
0.25 rad/s2
0.7 rad/s2
0.8 rad/s2
0.42 rad/s2

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

If you put a helium-filled balloon in the refrigerator, what will happen?