A rocket is launched from the origin with an acceleration of 20.0 
at an angle of 30.0 degrees above the horizontal. The launch acceleration lasts for 2.00 seconds at which time the fuel is exhausted. The rocket then falls with an acceleration of 9.80 
downward. What is the maximum height?
A. 22.3 m
B. 27.5 m
C. 30.5 m
D. 36.7 m
E. 20.0 m
E. 20.0 m
Physics & Space Science
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Fill in the blank(s) with correct word
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Geologists have principally used which class of rocks to establish the relative time scale?
a. Igneous b. Foliated c. Metamorphic d. Sedimentary
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The paths of the planets in the sky are tilted with respect to the celestial equator by about
A. 23 degrees. B. 5 degrees. C. 90 degrees. D. 45 degrees.
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The number of reliably known digits in a number is called the number of estimated uncertainty
Indicate whether the statement is true or false
Physics & Space Science