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3 years ago

Which of the following statements is TRUE in regards to Signal #2?

Physics

1 answer:

Marina CMI [18]3 years ago

7 0

Answer:

2) Signal #2 is a digital signal that transmits signals in segments/intervals.

Explanation:

Signals are form of information propagating from the source to a display unit for appropriate interpretation. It can be either in a digital or analogue form.

A digital signal is a definite signal which is discrete in time and amplitude. It is mostly in the form of codes obtained from set of values. Graphically it transmits in the form of 1 and 0, showing a point of maximum amplitude (1) and minimum amplitude (0).

Analog signal is continuous signal describing the variation of two variables with respect to time.

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How do u find net force?

Damm [24]

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3 years ago

A 2.3 kg , 20-cm-diameter turntable rotates at 110 rpm on frictionless bearings. Two 460 g blocks fall from above, hit the turnt

boyakko [2]

Answer:

The correct solution is "64 RPM".

Explanation:

The given values are:

Mass,

M = 2.3 kg

Diameter,

D = 20 cm

i.e.,

= 0.2 m

Rotates at,

N = 110 rpm

Mass of block,

m = 460 g

i.e.,

= 0.46 kg

According to angular momentum's conservation,

⇒ $I_1\omega_1=I_2\omega_2$

then,

⇒ $I_1=\frac{1}{2}MR_2$

On substituting the values, we get

⇒ $=\frac{1}{2}\times 2.3\times (0.1)^2$

⇒ $=\frac{1}{2}\times 0.023$

⇒ $=0.0115 \ kg \ m^2$

Now,

⇒ $I_2=I_1+2mR^2$

$=0.0115+2\times 0.46\times (0.1)^2$

$=0.0115+0.0092$

$=0.02 \ kg \ m^2$

then,

⇒ $0.0115\times 110=0.02\omega_2$

⇒ $1.265=0.02\omega_2$

⇒ $\omega_2=\frac{1.265}{0.02}$

⇒ $=63.25 \ or \ 64 \ RPM$

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3 years ago

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Answer:

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Explanation:

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ira [324]

Answer: dum dum

Explanat

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3 years ago