3 years ago

ᕼEᒪᒪO I'ᗰ ᗯᕼᗩT Iᔕ 67195 ᙭ 2851852

Mathematics

1 answer:

Tasya [4]3 years ago

6 0

Here you go you little troll 191630195140

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A man is standing at a radar base and observes an unidentified plane at an altitude 6000m flying towards the radar base at an an

liubo4ka [24]

Answer:

The speed in of the plane is 115.47 m/sec

Step-by-step explanation:

Given:

Height at which the plane is flying = 6000 m

Angle of elevation at the radar base = 30 Degrees

Angle of elevation at the radar base after one minute = 60 Degrees

To Find:

The Speed of the plane in meter per second = ?

Solution:

Let us use the tangent of the angle to find the distance (d) to a point directly below plane:

when the angle is 30 degrees

$tan(30) = \frac{6000}{d1}$

$d1 = \frac{6000}{tan(30)}$

$d1 = \frac{6000}{0.577}$

d1 = 10392.3 meters

when the angle is 60 degrees

$tan(60) = \frac{6000}{d2}$

$d2 = \frac{6000}{tan(60)}$

$d2 = \frac{6000}{1.732}\\$

d2 = 3464.1 meters

distance travelled by aircraft in 1 min is

=>d1 - d2

=>0392.3 - 3464.1

= 6928.2 m/min

Now converting to m/sec

=> $\frac{6928.2}{60}$

=>115.47 m/sec

4 0

3 years ago

every 3 days Seth goes to the grocery store his best friend Brain goes every five day on what day will they go will they both go

Alex777 [14]

I think you answer would be 12

8 0

3 years ago

I need to know the steps to simplify 15.7 + (-3.45)

faust18 [17]

U call it keep change change. keep 15.7. change it to subtract and change -3.45 to just 3.45 (positive not negative)

5 0

3 years ago

Read 2 more answers

Plot the image of point D under a dilation about point P with a scale factor of

Vikentia [17]

It’s at point d and point p

5 0

3 years ago

I need help with this.

r-ruslan [8.4K]

Answer:

DBE = 33

Step-by-step explanation:

add 23 + 27 = 50

subtract 50 from 83

equals 33

4 0

3 years ago