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2 years ago

10

A physicist would not be consulted on the design for which of the following?

1 answer:

Leona [35]2 years ago

8 0

A physicist would not be consulted on the design for Curtains because there is no scientific laws are used in the making of Curtains.

<h3>What is physicist?</h3>

A physicist is a scientist who specializes in the field of physics. It studies the interactions of matter and energy in the physical universe.

So we can conclude that a physicist would not be consulted on the design for Curtains because there is no scientific laws are used in the making of Curtains.

Learn more about design here: brainly.com/question/2604531

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Pavlova-9 [17]

Answer:652.05 J

Explanation:

Given

Weight of lifter $W=345 N$

vertical distance move $h=1.89 m$

Work done in lifting the weight is equal change in Potential Energy of weight

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Compute the dot product of the vectors u and v, and find the angle between the vectors. Bold v equals 7 Bold i minus Bold j and

OLga [1]

Answer:

$\theta = 106.3 degree$

Explanation:

As we know that

$\vec w = -\hat i + 7\hat j$

$\vec v = 7\hat i - \hat j$

also we know that

$\vec v. \vec w = -14$

it is given as

$\vec v. \vec w = (-\hat i + 7\hat j).(7\hat i - \hat j)$

$\vec v. \vec w = - 7 - 7 = -14$

also we can find the magnitude of two vectors as

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now we know the formula of dot product as

$\vec v. \vec w = |v||w| cos\theta$

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$\theta = cos^{-1}(\frac{-14}{50})$

$\theta = 106.3 degree$

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tatyana61 [14]

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