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Andrews [41]
3 years ago
9

A printed circuit board (PCB) is supported by a chassis that is attached to a vibrating motor. The board is 1.6 mm thick, 200 mm

wide, 254 mm long, and has a mass of 0.6 kg. Neglect damping, model the board as a doubly clamped beam, determine its stiffness and natural frequency, and compute the displacement transmissibility if the chassis vibrates at 60 Hz due to motor unbalance. The board is made from e poxy fiberglass for which E = 1.38 x 10^10 N/m2
Physics
1 answer:
Vedmedyk [2.9K]3 years ago
5 0

jtejyrkekdkeludmydmumud

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8 0
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A girl picks up a bag of apples that are at rest on the floor. How dose the force the girl applies compare to the force of gravi
AysviL [449]

Answer:

When the bag of apples are on the floor, the force of gravity is equal to the force applied in the upward direction.

But when the girl picks up the bag of apples, she applies a force on the bag of apples in the upward direction greater than that of the gravitational force.

Explanation:

Gravitational force for an object is always constant at a specific point. When an object is in the state of rest, there is an equal force opposite to the direction of Gravitational Force.

Now, to lift an object upwards, an external force must be applied that is greater than the force of gravitation.

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Gravitational Force < Force applied by the girl to lift the bag.

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Which of the following waves travel at the greatest speed
NeTakaya
HEY mate here your answer

p waves travel at the greatest speed and these waves can travel at solid and liquid also. p waves means primary waves.
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How do mountain glaciers and continental glaciers differ in terms of dimensions, thickness and patterns of movement?
tester [92]
Question:
How do mountain glaciers and continental glaciers differ in terms of dimensions, thickness and patterns of movement?

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<span>
Continental glaciers are thicker, much more expansive sheets. Mountain glaciers flow downhill as a result of gravity acting on the mass of ice. Continental glaciers move in response to pressure from the weight of material in their thick midsections.
</span>

Hope this helped!

~Shane :}
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A single component that can’t be separated

brainliest please ;)

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