Determine the minimum area of a flat ice floe 1.0 meter thick if it is to support a 2 000-kg car above seawater. (?ice = 920 kg/m3, ?sea = 1 020 kg/m3.)
a. 20 m2
b. 40 m2
c. 60 m2
d. 80 m2
e. 100 m2
a
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A total solar eclipse occurred in Wolf Point, Montana, on Feb. 26, 1979 . When was (will) an eclipse like this eclipse next (be) visible again in Montana? Hint: A Saros is 18 years and 11 1/3 days. Twice a Saros is 36 years 22 2/3 days. Three times a Saros is 56 years 34 days. So the best choice answer of these listed will be late ______
a. August of 1979 b. March of 2033 c. March of 1997 d. March of 1979 e. January of 2000
The Great Dark Spot on Neptune is probably as stable as Jupiter's famed Great Red Spot
Indicate whether the statement is true or false
How might a coronal mass ejection affect Earth?
What will be an ideal response?
Which type of reaction is 2Cu(NO3)2? 2CuO + 4NO2 + O2?
a. Single-replacement b. Double-replacement c. Combination d. Decomposition