Can someone me with these 4 math pronlems, i can't figure them out! , , , me!

1. The direction of the vector relative to the positive x-axis satisfies

2. A vector with magnitude and direction has component form

We have , but "angle of 60 degrees with the negative x-axis" is a bit ambiguous. I would take it to mean "60 degrees counterclockwise relative to the negative x-axis", so that the direction is . Then

But this doesn't match any of the options, so more likely it means the angle is 60 degrees clockwise relative to the negative x-axis, in which case and we'd get

3. Same as question 2, but now we're using notation. The vector has magnitude and its direction is . So the vector is

4. The velocity of the plane relative to the air, is 175 mph at 40 degrees above the positive x-axis. The velocity of the air relative to the ground, , is 35 mph at 60 degrees above the positive x-axis. We want to know the velocity of the plane relative to the ground, .

We use the relationship

Translating the known vectors into component form, we have

This vector has magnitude and direction

(or 43 degrees NE)

the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation:

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

happy to

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