You are in distant space, where there is no gravity. You hold two blocks of metal. They look and feel identical when touched, but you been informed that one is made of lightweight aluminum and the other of lead
Can you determine which one is lead without doing any kind of chemical analysis?
A) You can determine this by dropping them; the lead ball will fall fastest.
B) You can determine this by dropping them; the aluminum ball will fall fastest.
C) You can determine this, by tapping each block with your finger; the one that accelerates the most is aluminum.
D) You can determine this by giving each block a tap with your finger; the one that accelerates the most is the lead.
E) The above methods will not work.
C
You might also like to view...
What is an asterism?
a. A legend or folklore association to a grouping of stars b. Less formally defined group of stars outside the official 88 constellations c. The council of astronomers who defined the 88 constellations d. The northern pivot point of the celestial sphere e. Constellations close enough to a celestial pole that they do not appear to rise from the east and set in the west
At what point is the Moon farthest away from Earth?
a. apogee
b. perigee
c. umbra
d. penumbra
e. prominence
The average power dissipated in an RLC circuit is I2rms R where R is the Reactance
Indicate whether the statement is true or false
A champion athlete can produce one horsepower (746 W) for a short period of time. If a 70-kg athlete were to bicycle to the summit of a 500-m high mountain while expending power at this rate, she would reach the summit in ____ seconds
a. 1 b. 460 c. 500 d. 1 000 e. 35 000