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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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The free fall motion shown in the<br>image must be​
tatiyna

Answer:

Kinetic Energy?

Explanation:

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A ball on the end of a string is whirled around in a horizontal circle of radius 0.300 m. The plane of the circle is 1.00 m abov
Mamont248 [21]

Answer:

radial acceleration is 41.8 m / s²

Explanation:

The acceleration for circular motion is

     a = v² / r

They also give us the X and Y position where the body falls when the rope breaks, let's write the projectile launch equations

     x = vox t

     y = v₀ₓ t - ½ g t2

Since the circle is horizontally the v₀ₓ is zero (v₀ₓ = 0)

     x = v₀ₓ t

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Let's replace and calculate the initial velocity on the X axis

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This is the horizontal velocity, but since it circle is in  horizontal position it is also the velocity of the body at the point of rupture.

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5 0
3 years ago
Topics related to physics​
Bezzdna [24]

Answer:

There are many topics related to physics such as :

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Dynamics

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7 0
2 years ago
The tendency of an object to resist any change in its motion is known as?
kvv77 [185]
It's inertia. A rule that you see every day, for example a brick will stay in the same spot unless a force acts on it.
7 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!!
musickatia [10]

Answer:

22.2 W

Explanation:

First of all, we calculate the work done by moving the wagon, using the formula:

W=Fdcos \theta

where

F = 20 N is the magnitude of the force

d = 1000 m is the displacement of the wagon

\theta=0^{\circ} is the angle between the direction of the force and of the displacement (assuming the force is applied in the direction of motion)

Substituting, we find

W=(20)(1000)=20,000 J

Now we can find the power generated, which is equal to the ratio between the work done and the time taken:

P=\frac{W}{t}

where

W = 20,000 J

t = 15 min = 900 s

Substituting,

P=\frac{20000}{900}=22.2 W

And the same value in Joules/second (remember that 1 Watt = 1 Joule/second)

5 0
3 years ago
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