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Ratling [72]
3 years ago
8

Identify the features that are unique to some sedimentary rocks.

Physics
1 answer:
mr Goodwill [35]3 years ago
3 0
(f). Characteristics<span> of </span>Sedimentary Rocks<span>. </span>Sedimentary rocks<span> can be categorized into three groups based on sediment type. Most </span>sedimentary rocks<span> are formed by the lithification of weathered </span>rock<span> debris that has been physically transported and deposited.</span>
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As an intern at an engineering firm, you are asked to measure the moment of inertia of a large wheel for rotation about an axis
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Hi there!

We can begin by finding the acceleration of the block.

Use the kinematic equation:

d = v_0t + \frac{1}{2}at^2

The block starts from rest, so:

d = \frac{1}{2}at^2\\\\12 = \frac{1}{2}a(4^2)\\\\\frac{24}{16} = a = 1.5 m/s^2

Now, we can do a summation of forces of the block using Newton's Second Law:

F = ma = m_bg - T

mb = mass of the block

T = tension of string

Solve for tension:

T = m_bg - ma = 8.2(9.8) - 8.2(1.5) = 68.06 N

Now, we can do a summation of torques for the wheel:

\Sigma \tau = rF\\\\\Sigma\tau = rT

Rewrite:

I\alpha = rT

We solved that the linear acceleration is 1.5 m/s², so we can solve for the angular acceleration using the following:

\alpha = a/r\\\\\alpha = 1.5/.42= 3.57 rad/sec^2

Now, plug in the values into the equation:

I(3.57) = (0.42)(68.06)\\\\I = (0.42)(68.06)/(3.57) = \boxed{8.00 kgm^2}

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