A lunar eclipse can only occur during the full phase
a. True
b. False
Indicate whether the statement is true or false
True
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Two life preservers have identical volumes, one filled with Styrofoam and the other filled with sand. When both are fully submerged, the buoyant force is greater on the one filled with
A) Styrofoam. B) sand. C) same on each if volumes remain the same.
An 8.4-kg mass is placed at (3.0, 4.0) m. Where can a 4.2-kg mass be placed so that the moment of inertia about the z axis is zero?
a. (?3.0, ?4.0) m b. (?6.0, ?8.0) m c. (?1.5, ?2.0) m d. (1.5, 2.0) m e. There is no position giving this result.
A high f-number:
a. allows using a slower shutter speed. b. causes more spherical aberration. c. allows a larger depth of focus. d. is not related to any of the above options.
Specific heat capacity of ice = 2,000 J/kg-°C latent heat of fusion of water = 334,000 J/kg specific heat capacity of water = 4,000 J/kg-°C A 1 kg block of ice is removed from a freezer where its temperature was –10°C. The amount of heat absorbed by the ice as it warms to 0°C is __________
Fill in the blank(s) with correct word