A tornado ______________ is issued when a tornado has been sighted or indicated on radar
a. warning
b. notice
c. advisory
d. ticket
a
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When the Moon is totally eclipsed, the Moon is illuminated by some sunlight reflected by Earth's atmosphere
a. True b. False Indicate whether the statement is true or false
A 1.10 kg hollow steel ball is submerged in water. It weighs in water 8.75 N. The volume of the cavity inside the ball is (density of steel is
A. 0.000168
B. 0.000276
C. 0.000305
D. 0.000567
E. 0.000667
The vertical displacement y(x,t) of a horizontal string aligned along the x-axis is given by the equation y(x,t) = (6.00 mm) cos[(3.25 m-1)x - (7.22 s-1)t]. What are the (a) speed and (b) amplitude of this wave?
What will be an ideal response?
Which of the speeds v listed below is the lowest speed where the probability of a gas molecule having that speed is negligible compared to that for v = vp (“negligible” meaning less than 1/100 of its value at v = vp ).
A. v ? 0.2 vp B. v = 2 vp C. v = 3 vp D. v = 5 vp