The idea that the speed of light is absolute is supported by experimental evidence
Indicate whether the statement is true or false
TRUE
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If a ceramic has strong chemical bonding, the ceramic has a(n) ______________melting temperature.
Fill in the blank(s) with the appropriate word(s).
Pressure is measured in a 1.1 cm radius water hose at a height of 1.5 m above the floor of a house and compared to that in a hose connected to the first (of radius 2.2 cm). If the pressure in the larger radius hose is the same as that in the smaller radius hose, how far above the floor is the location for this pressure measurement?
A. 0.23 N B. 8.1 N C. 0.81 N D. 2.3 N
When is a rock considered an ore?
-when it occurs in sufficient amounts to be used to build roads and buildings -only when it contains lead -when it contains at least one metallic mineral in sufficient amounts to be extracted profitably -only when it contains iron -when it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably
A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails of magnitude 6 000 N directed toward the northwest (45° N of W). What is the magnitude and direction of the resultant acceleration?