Answer: 93ft
Explanation: Martha's eyesight make an angle with the fence, this is solved as a triangle problem.
We first convert all the dimensions to inches using the fact that 12 inches make 1 ft.
To solve for the angle
Tan § = 18/48 = 0.375
§ = tan^-1 of 0.375 = 20.55°
This same angle elevates to the edge of the building
Tan 20.55 = 399/x
x = 399/tan 20.55
x = 1040 inches
Height of building = x + height of fence
Height of building = 1040 + 78 = 1118 inches
Converting back to ft it becomes
1118/12 = 93 ft 2 inches
Approximately 93ft
The distance travelled by the object in the time interval of 3 second is 44.15m
The airresistance would try to decrease the acceleration and thus would decrease the distance the ibject has fallen in 3 seconds.
Explanation:
The object is falling vertically down. Hence the acceleration would be replaced by the acceleration due to gravity "g".
We know that distance "s"= ut +1/2*g*t²
where u- initial velocity of the object
g- acceleration due to gravity= 9.81m/s²
t- time period
Since the object is falling from initial rest position hence u=0
thus the equation reduces to 1/2gt²
S=1/2*(9.81)(3)²
Thus the distance =44.145 m(approximately 44.15 m)
If a small amount of air resistance is present in between it would obstruct the falling of the object. hence, in turn, would oppose "g".
This opposition to "g" would decrease the acceleration and thus body would travel less distance in the same time frame i.e. 3 sec
Say the initial point is (0,0)
The final point is
x = 200 + 135*cos(30) = 200 + 135*sqrt(3)/2 = 316.91 ft
y = 135*sin(30) = 135/2 = 67.5 ft
Resultant vector = (316.91, 67.5) - (0,0) = 316.91, 67.5) ft
Answer:
Explanation:
It is pertinent to note that modifier 26 is appropriate when the physician supervised or interprets a diagnostic test, even if he or she did not perform the test personally. Also do not append modifier 26 if there is a code to describe only the professional/physician component of a given service (examples are 93010 Electrocardiogram, routine ECG with at least 12 leads, interpretation and report only).
Answer:
Cycles per second is dependent on the construction of the alternator and the 120 volts is dependent upon the current and resistance in the circuit according to the ohms law.
Explanation:
We are given with AC of 120 volts, 20 amperes and 60 hertz frequency.
<u>According to the Ohm's law, we find its resistance:</u>
So, this 6 ohm resistance controls the current controls the magnitude of the AC current, while the frequency of the current remains constant and depends upon the construction and rotational speed of the armature of the alternator producing the current.
Here the value of frequency is the number of times the current changes its direction or the polarity in one second.