A person standing 102 meter from the foot of high building claps his hand and hears the echo 0.6 seconds later. what is the spee
1 answer:
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Answer: 3.125 ft
Explanation:
If this dish has the form of a concave upward parabola and its vertex is at the origin, its corresponding equation is:
Where:
is the radius, which can be found by dividing the diameter
by half. Hence
is the depth
is the vertex of the parabola, where its base is
Finding :
Finally:
This is where the the receiver should be placed
To solve this problem we will use the mathematical definition of the light years in metric terms, from there, through the kinematic equations of motion we will find the distance traveled as a function of the speed in proportion to the elapsed time. Therefore we have to
means Light Year
Then
If we have that
Where,
v = Velocity
x = Displacement
t = Time
We have that
= Speed of light
Therefore will take 14.399 years