3 years ago

How far is the UFO from KA-12?

1 answer:

6 0

The distance of UFO from KA-1212 is 1229.7 km

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zubka84 [21]

Parameterize the line segments (call them $C_1$ and $C_2$ , respectively, by

$\vec r_1(t)=(1-t)(0,0)+t(4,1)=(4t,t)$

$\vec r_2(t)=(1-t)(4,1)+t(5,0)=(4+t,1-t)$

both with $0\le t\le1$ . Then

$\displaystyle\int_C(x+4y)\,\mathrm dx+x^2\,\mathrm dy$

$=\displaystyle\int_0^1\bigg((4t+4t)(4)+(4t)^2(1)\bigg)\,\mathrm dt+\int_0^1\bigg((4+t+4(1-t))(1)+(4+t)^2(-1)\bigg)\,\mathrm dt$

$=\displaystyle\int_0^115t^2+21t-8\,\mathrm dt=\boxed{\frac{15}2}$

6 0

3 years ago

Art [367]

Answer: q=26

Step-by-step explanation:

3 0

2 years ago

Romashka [77]

Answer:

5 hours

Step-by-step explanation:

6 0

3 years ago

MrMuchimi

Answer:

323.75 km

Step-by-step explanation:

185/100 = 1.85 km per nm

1.85 * 175 = 323.75 km

3 0

3 years ago

PSYCHO15rus [73]

Answer:

$9\frac{2}{25}$

Step-by-step explanation:

5 0

2 years ago