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sattari [20]
2 years ago
15

Please help me answer this

SAT
1 answer:
ElenaW [278]2 years ago
3 0

Answer:

um....What's the question?

Explanation:

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The farther a star is away from earth,the more it is ___
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the more it is red shifted

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What is the purpose of the database is​
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The major purpose of a database is to provide the information system (in its broadest sense) that utilizes it with the information the system needs according to its own requirements

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Dan bought x pounds of potatoes for $0. 85 per pound and y pounds of grapes for $1. 29 per pound. The total cost was less than $
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Sword is mightier than pen explain the message briefly brainly.
QveST [7]

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2 years ago
Kinematics of particles problems and solutions pdf
iragen [17]

The acceleration of the pendulum mass D is; r"_d =  [x''(t) + lθ'' cos θ - lθ'² sin θ]i - l[θ'' sin θ - θ'² cos θ]j

<h3>What is Kinematics of particles?</h3>

Kinematics is the study of the geometry of motion of particles, rigid bodies, etc., disregarding the forces associated with these motions. However, Kinematics of a particle is the motion of a point in space.

From the sample problem, we can solve it using the (x, y, z) coordinate system to get;

r_c = x(t) i

r_d = [x(t) + l sin θ]i + l cos θ j

Finding the first derivative of r_d gives velocity as;

r'_d =  [x'(t) + lθ' cos θ]i - lθ' sin θ j

Taking the second derivative of r_d gives the acceleration as;

r"_d =  [x''(t) + lθ'' cos θ - lθ'² sin θ]i - l[θ'' sin θ - θ'² cos θ]j

A sample problem of kinematics of particles is;

A block C slides along the horizontal rod, while a pendulum attached to the block can swing in the vertical plane. Find the acceleration of

the pendulum mass D.

Read more about Kinematics of Particles at; brainly.com/question/26269548

#SPJ1

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2 years ago
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