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Ksenya-84 [330]
2 years ago
9

Kinematics of particles problems and solutions pdf

SAT
1 answer:
iragen [17]2 years ago
6 0

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

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<h3>What is a categorical data?</h3>

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In this context, we can infer and logically deduce that the variable which is categorical in nature is the color of the opposing team's jerseys.

Read more on categorical data here: brainly.com/question/20038845

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Complete Question:

Coach Silva likes statistics. In fact, after each game he examines many variables to prepare for his next opponent. Which one of the following variables is categorical?

the color of the opposing team's jerseys

the number of passing yards for the quarterback

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<h3>What are stage directions?</h3>
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The stage directions shown in the text above show how actors should move through stage directions. This is shown in detail and specifies that it can be missed if the scene is watched and not read.

More information on stage directions is at the link:

brainly.com/question/404162

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