The kilogram is currently defined as
A) the mass of a platinum-iridium cylinder kept in Sévres, France.
B) the weight of a platinum-iridium cylinder as measured on the Earth's moon.
C) the mass of 5.9786332 × 1026 protons.
D) the mass of one liter of pure water, free of air, at standard temperature and pressure.
E) the mass of a cube of pure water, free of air, 10 cm on each side, at standard temperature and pressure.
A
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Exhibit 4-2
Newton approximated motion in a circle as a series of linear motions, as in the polygon below.
Assume that the particle moves at constant speed vA from A to B, and at constant speed vB from B to C.
Use this exhibit to answer the following question(s).
Refer to Exhibit 4-2. The direction of the acceleration,
, at point B, is shown by the arrow ina.
Physics & Space Science
The unit of resistance is called a(n)
a. volt. b. ampere. c. coulomb. d. ohm. e. watt.
The cantaloupe-like terrain of Triton is tectonic in origin, much like the grooved terrain of Ganymede and Enceladus
Indicate whether the statement is true or false
Lightning between a cloud and the surrounding air is called ______________
Fill in the blank(s) with correct word