Final Physics
Other
A piece of gold with a mass of 5.50 kg and density of 19300 kg/m3 is suspended from a string and then totally immersed in a beaker of water. Using density of water is 1000 kg/m3
a) Determine the volume of the piece of gold.
b) Determine buoyant force on the gold when it is submersed.
A) b. 572 K
B) d. 977 K
C) a. 627 K
D) c. 2590 K
A) b. 1075 J/(kg ∙ °C)
B) a. 1250 J/(kg ∙ °C)
C) c. 1500 J/(kg ∙ °C)
D) d. 3400 J/(kg ∙ °C)
A gas is taken through the cycle illustrated here. During one cycle, how much work is done by an engine operating on this cycle?
A) 3PV
B) 2PV
C) PV
D) 4PV
3?
A) a. 2300 kg/m
3
B) d. 1600 kg/m
3
C) c. 1200 kg/m
3
D) b. 4500 kg/m
3
A) a. 25 °C
B) d. 12 °C
C) b. 34 °C
D) c. 56 °C
A) 36 rad/s
2
B) 18 rad/s
2
C) 16 rad/s
2
D) 24 rad/s
2
