A person is standing on the top of a building and yells down to a person on the ground that is at a 40-degree angle below. At what degree would the person on top of the building hear the echo?
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Answered by
1
Explanation:
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Answered by
2
Explanation:
State which of the following situations are possible and give
an example for each of these:
(a) an object with a constant acceleration but with zero velocity
(b) an object moving with an acceleration but with uniform
speed.
(c) an object moving in a certain direction with an
acceleration in the perpendicular direction.
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