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211: The mass, in kilograms, of an object whose weight on earth at sea level is 490 Newton’s is:
w) 50 kilograms
x) 100 kilograms
y) 225 kilograms
z) 1,100 kilograms
ANSWER: W -- 50 KILOGRAMS
212: When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's:
w) Momentum
x) Potential energy
y) Kinetic energy
z) Mass
ANSWER: W -- MOMENTUM
213: What is the only non-metal element that is a liquid at room temperature and one atmosphere?
w) Bromine
x) Argon
y) Silicon
z) Selenium
ANSWER: W -- BROMINE
214: Which of the following is NOT a noble gas?
w) Radon
x) Xenon (pron: zee-non)
y) Astatine (pron : as-tah-teen)
z) Krypton
ANSWER: Y -- ASTATINE
215: What is the SI unit of pressure?
w) Pascal
x) Torre
y) Dyne
z) Kelvin
ANSWER: W -- PASCAL
216: What is 20 degrees Celsius in degrees Kelvin?
w) 70 degrees
x) 293 degrees
y) 100 degrees
z) 212 degrees
ANSWER: X -- 293 DEGREES
217: What is the value given to standard pressure in Torres?
w) 540
x) 660
y) 760
z) 780
ANSWER: Y -- 760
218: Who invented the barometer?
w) Torricelli
x) Avogadro
y) Rutherford
z) Becquerel
ANSWER: W -- TORRICELLI
219: The random motion of particles suspended in a fluid is called:
w) Boson Condensation
x) Fermi Motion
y) Brownian Motion
z) Pauli Motion
ANSWER: Y -- BROWNIAN MOTION
220: The most efficient heat engine that can operate between two temperature reservoirs T1 and T2 is:
w) Jet engine
x) Internal combustion engine
y) Carnot engine (pron: car-no)
z) Steam engine
ANSWER: Y -- CARNOT ENGINE
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