When comparing geologic time to a calendar year, the time of the dinosaurs is in the
A) middle of October.
B) first half of December.
C) second half of December.
D) first half of February.
Answer: C
You might also like to view...
The cosmic microwave background radiation was emitted during a time when ____ was the important process in the Universe
a. recombination b. ionization c. fusion d. antiproton production e. positron production
An 8.0-kg object moving 4.0 m/s in the positive x direction has a one-dimensional collision with a 2.0-kg object moving 3.0 m/s in the opposite direction. The final velocity of the 8.0-kg object is 2.0 m/s in the positive x direction. What is the total kinetic energy of the two-mass system after the collision?
A. 32 J B. 52 J C. 41 J D. 25 J E. 29 J
A series circuit contains a 12-V battery, a 4.0-W resistor, and a 12-mH inductor. If the switch to the battery is closed at t = 0, find the time required for the current in the circuit to reach 63% of its final value
a. 1.5 ms c. 4.0 ms b. 3.0 ms d. 5.0 ms
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