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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Indicate whether the statement is true or false
Which type of reaction is 2Cu(NO3)2? 2CuO + 4NO2 + O2?
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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 ______
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How might a coronal mass ejection affect Earth?
What will be an ideal response?