A person tries to heat up her bath water by adding 5.0 L of water at 80°C to 60 L of water at 30°C. What is the final temperature of the water?
A)
34°C
B)
36°C
C)
38°C
D)
40°C
E)
65°C
A
You might also like to view...
A high-diver of mass 70.0 kg jumps off a board 10.0 m above the water. If, two seconds after entering the water, his downward motion is stopped, what average upward force did the water exert on him?
Sunspots are dark because
a. regions of the photosphere are obscured by material in the chromosphere. b. shock waves move through the photosphere. c. the Sun rotates differentially. d. they are cooler regions than the photosphere. e. they radiate their energy into space faster than the rest of the photosphere.
Is the acceleration due to gravity always pointing vertically downward even for an object whose velocity is vertically upward? Explain your answer
Water flowing in a pipe is similar to electric current flowing in a circuit. Which concept in the water flow system is analogous to the charge in an electric circuit?
a) Pump
b) water
c) valve
d) pressure
