How bright a star appears from Earth is the star's apparent magnitude.
1 Joule IS 1 newton-meter.
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Answer:
Resultant vector is the sum of two or more vectors
Answer:
0.016 s
Explanation:
Initial velocity, u = 0
use the third equation of motion to find the acceleration of the rock.

Net displacement in the vertical direction would be zero. y = 0
Use second equation:

Thus, the rock will return to its initial release point in 0.016 s.