Neglecting the effect of air friction, at what angle should a cannon be raised to achieve the greatest RANGE (horizontal distance)?
What will be an ideal response?
45.°
Physics & Space Science
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State the relationship between the frequency and the period of a wave
Physics & Space Science
The radius of a super-Earth generally falls in the range:
A) above 5 Earth radii.
B) between 2 and 5 Earth radii.
C) between 1.25 and 2 Earth radii.
D) between 0.75 and 1.25 Earth radii.
E) below 0.75 Earth radii.
Physics & Space Science
All of the farthest detectable galaxies are _______________ galaxies
Fill in the blank(s) with correct word
Physics & Space Science
What field of science are the experiments on the two Mars Rovers Sojourner, Spirit, Opportunity and Curiosity most closely related to?
A) physics B) biology C) geology D) astronomy
Physics & Space Science