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horrorfan [7]
3 years ago
6

What is the output of a system having the transfer function G = 2/[(s + 3) x(s + 4)] and subject to a unit impulse?

Engineering
1 answer:
lisov135 [29]3 years ago
8 0

Answer:

output=\frac{2}{(s+3)(s+4)}

Explanation:

output =transfer function ×input

here transfer function G=\frac{2}{(S+3)(S+4)} {}

input = unit impulse

in S domain unit impulse =1

so output =\frac{2}{(S+3)(S+4)} {}

=\frac{2}{(s+3)(s+4)}

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In crash tests, a shock absorber is used to slow the test car. The shock absorber consists of a piston with small holes that mov
Lesechka [4]

Answer:

The heat transferred to water equals 1600 kJ

Explanation:

By the conservation of energy we have

All the kinetic energy of the moving vehicle is converted into thermal energy

We know that kinetic energy of a object of mass 'm' moving with a speed of 'v' is given by

K.E=\frac{1}{2}mv^{2}

Thus

K.E_{car}=\frac{1}{2}\times 2000\times 40^{2}=1600\times 10^{3}Joules

Thus the heat transferred to water equals 1600kJ

3 0
3 years ago
A fair die is thrown, What is the probability gained if you are told that 4 will
Semmy [17]

Answer:

1/6

Explanation:

A dice has 6 sides, the probability of 4 appearing is 1/6.

7 0
3 years ago
In a balanced Y-Y three-phase circuit 120 10 Van    V rms. The load impedance per phase is 20 15 ZZ j L Y    . Determine
ANEK [815]

Given Information:

Balanced Y-Y three phase circuit

Phase Voltage = Van = 120 < 10° V

Load Impedance = Zy = 20 +j15 Ω = 25 < 36.86° Ω

Required Information:

Load Voltages = Vab, Vbc, Vca = ?

Line currents = Ia, Ib, Ic = ?

Answer:

Vab = 208 < 40°

Vbc = 208 < -80°

Vca = 208 < 160°

Ia = 4.8 < -26.86°

Ib = 4.8 < -146.86°

Ic = 4.8 < 93.14°

Explanation:

Since it is balanced 3 phase system, all phases have equal magnitude and 120° phase shift

Van = 120 < 10° V

Vbn = 120 < -110° V

Vcn = 120 < 130° V

In a Y connected system, the phase voltage and line voltage are related as

Vab = \sqrt{3}(Van) <+30°

Vab = \sqrt{3}*120<10°+30°

Vab = 208 < 40°

Vbc = 208 < -80°

Vca = 208 < 160°

In a Y connected circuit, Iphase = Iline

Ia = Van/Zy

Ia = 120 < 10°/25 < 36.86°

Ia = 4.8 < -26.86°

Ib = 4.8 < -146.86°

Ic = 4.8 < 93.14°

7 0
4 years ago
After a new
dybincka [34]
I think it is B or C
7 0
3 years ago
Two advantages of deforming steel at room temperature rather than at elevated temperatures are: (select 2 answers from the optio
Aleks [24]

Answer:

A AND C

Explanation:

Two advantages of deforming steel at room temperature rather than at elevated temperatures are: (select 2 answers from the options below)

A. better dimensional accuracy to allow form complex parts with complex geometries.

C. a smoother surface finish to allow elimination of finish machining and grinding operations.

7 0
3 years ago
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