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Whitepunk [10]
3 years ago
7

Vector v1 is 6.6 units long and points along the negative x axis. vector v2 is 8.5 units long and points at + 55° to the positiv

e x axis. (a) what are the x and y components of each vector? (b) determine the sum v v 1 2
Mathematics
1 answer:
natita [175]3 years ago
6 0
(a) what are the x and y components of each vector?
 For vector v1:
 
v1 = 6.6 (cos (180) i + sine (180) j)
 v1 = 6.6 (-1i + 0j)
 v1 = -6.6i
 
For vector v2:
 
v2 = 8.5 (cos (55) i + sine (55) j)
 v2 = 8.5 ((0.573576436) i + (0.819152044) j)
 v2 = 4.88 i + 6.96 j
 (b) determine the sum v v 1 2

 The sum of both vectors is given by:
 v1 + v2 = (-6.6i) + (4.88 i + 6.96 j)
 Adding component to component:
 v1 + v2 = (-6.6 + 4.88) i + (6.96) j
 v1 + v2 = (-1.72) i + (6.96) j
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Everett is rolling a block with the numbers 1, 2, 3, 4, 5, and 6 on it. Finley is drawing one disk from a basket of three disks:
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Option A:

The probability that Everett and Finley end up with an even number and a blue disk is \frac{1}{6}.

Solution:

Given data:

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$P\text{(Even number and Blue disk)} =\frac{3}{6}\times\frac{1}{3}$

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Divide numerator and denominator by the common factor 3.

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Option A is the correct answer.

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