The standard unit of mass in the mks system is the
a. meter
b. kilogram
c. pound
d. second
e. gram
b
You might also like to view...
Suppose it is January and the Sun remains above your horizon all day long. Where must you be located?
A) somewhere between the Antarctic Circle and the South Pole B) at the South Pole C) somewhere between the Arctic Circle and the North Pole D) at the North Pole
Suppose you find a rock that contains 10 micrograms of radioactive potassium-40, which has a half-life of 1.25 billion years. By measuring the amount of its decay product (argon-40) present in the rock, you conclude that there must have been 80 micrograms of potassium-40 when the rock solidified. How old is the rock?
A) 3.75 billion years B) 1.25 billion years C) 2.5 billion years D) 5.0 billion years
A car heading north suddenly collides at an intersection with a truck of the same mass heading east. If they lock together and travel at at 15° north of east just after the collision, how fast was the car initially traveling?
A) 14 m/s B) 7 m/s C) 28 m/s D) 11 m/s
If we compress 4.5 billion years into a calendar year, humans make their mark on the calendar
A) the very last minute of New Years Eve. B) on December 25th. C) at 12:00 pm, December 30th. D) at 11:50 pm, December 31st.