For this we will use kinematic equations.
We need the time of flight to compute the range.
With the given information, the most useful formula is:
Δy=v0yt−g2t2
Because our equation is taking only vertical motion into account,
v0y=30sin(45)
Because we are looking for the range of the object,
Δy=0
This leaves us with only one unknown: t
0=30sin(45)t−g2t2
g2t2=30sin(45)t
g2t=30sin(45)
t=60gsin(45)
For horizontal distance, the formula we need is:
Δx=v0xt
Because we are taking into account the horizontal range,
v0x=30cos(45)
In substituting our derived values into the equation we can see that:
Δx=30cos(45)∗60gsin(45)
Range=30cos(45)∗60gsin(45)
The purpose of the question is to properly identify the tense of the verb being used. For this case, we use context clues to infer that the verb is being used in the present tense and will answer accordingly.
From the sentence given, we can use the word "está" as context to determine the tense of the verb. "Está" is used in the present tense. The other ways to use this word are:
- "Estuvo", signals a past tense of a verb will follow.
- "Estara", signals that a future tense of a verb will follow.
The fact that the previous word is being used in the present tense allows us to infer that the verb will be used in the present tense as well. Therefore, we choose the present tense of the verb "visitar" which corresponds to "visitando" and fill in the blank with this word.
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.2*360= 72. 72/36*100= 200. The answer is 200