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RSB [31]
3 years ago
7

HELPP PPLEASEEE!!!

Mathematics
2 answers:
olga2289 [7]3 years ago
5 0

Answer:

See below in bold.

Step-by-step explanation:

Ship's vector:

Horizontal component = 30 cos 30  = 25.98.

Vertical component = 30 sin(-30) = -15.

So it is <25.98, -15).

The current's vector:

Horizontal component =  5 sin 20 = 1.71.

Vertical component = 5 cos 20 = 4.7.

So it is <1.71, 4.7>.

astraxan [27]3 years ago
3 0

Answer:

Step-by-step explanation:

Resultant R of the two vectors is

R^2=a^2+b^2+2abcos\theta

R^2=30^2+5^2+2\left ( 30\right )\left ( 5\right )cos\theta

Where \thetais the angle between Two vectors which is 100^{\circ}[/tex]

R^2=900+25+2\times 30\times 5\times cos100

R^2=925-52.094

R=29.544 miles per hour

and it makes an angle \phiwith 30 miles/hr vector

tan\phi =\frac{5}{30}

\phi =tan^{-1}\frac{1}{6}

\phi =9.462^{\circ}

i.e.it makes an angle of 20.538 South of east with horizontal

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Driving 70 mph, it takes Alicia 2 hours to reach the airport to go on a vacation. It then takes her 2 hours to get to her destin
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