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Andrews [41]
1 year ago
14

is training for cross country in the fall she ran 5 miles east then she turned and ran 5 miles west. draw and label the vectors

that show each segment of her tripand the resulant dispacement vector. find her resulant displacement
Physics
1 answer:
inna [77]1 year ago
6 0

5j-5i is her resultant displacement.

velocity in east= 5i

velocity in west=5j

resultant magnitude=√5i+√5j

displacement =5j-5i

Displacement is the shortest distance, but distance is the length of everything covered. A vector quantity with a magnitude and a direction is displacement. The vector (or straight line) separation between an initial and final position is described by this term. Therefore, all that is needed to determine the resulting displacement is to know these two positions.

Calculate the inverse tangent of the ratio of the components of the displacement in the y- and x-directions to find the direction of the displacement vector.

To know more about  displacement   visit : brainly.com/question/11934397

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dusya [7]

Answer:

Explanation:

Given

diameter of spacecraft d=148\ m

radius r=74\ m

Force of gravity F_g=mg

where m =mass of object

g=acceleration due to  gravity on earth

Suppose v is the speed at which spacecraft is rotating so a net centripetal  acceleration is acting on spacecraft which is given by

F_c=\frac{mv^2}{r}

F_c=F_g

\frac{mv^2}{r}=mg

\frac{v^2}{r}=g

v=\sqrt{gr}

v=\sqrt{1450.4}

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When hoisting a personnel platform which of the following need not be engaged when they occupied platform is in a stationary pos
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The answer is <span>Guardrails and protective equipment.   </span><span>When hoisting a personnel platform, guardrails and protective equipment need not be engaged when they occupied platform is in a stationary position.  </span>
3 0
4 years ago
A fish cannot be killed by throwing an arrow into the water why?​
olga55 [171]

Answer:

a fish cannot be killed by throwing an arrow into the water because you have to throw the arrow at the fish not just in the water….

Explanation:

common sense TwT


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3 0
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The law of universal gravitation states that any two objects in the universe that have mass without exception is called what
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The displacement at any given time of an object is x = 6 sin 98t , where the symbols have their usual meanings. i). Proof that t
Fofino [41]

A simple harmonic motion is defined by the amplitude and angular frequency of the oscillation, which are represented in the given function as 6 units and 98 rad/s respectively.

<h3>General wave equation for simple harmonic motion</h3>

y = A sinωt

where;

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<h3>Amplitude of the oscillation</h3>

A = 6 units

<h3>Angular frequency of the wave</h3>

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A simple harmonic motion is defined by the amplitude and angular frequency of the oscillation. Thus, the wave is executing simple harmonic motion.

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