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3 years ago

13

Christopher has designed a fluid power system that repeatedly gets clogs. Which of the following objects should he choose to add

to his fluid power system to prevent these clogs in the future?
filter

pipe

valve

piston

1 answer:

MA_775_DIABLO [31]3 years ago

3 0

Answer:

Valve

Explanation:

Its right

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An automobile has a mass of 1200 kg. What is its kinetic energy, in ki, relative to the road when traveling at a velocity of 50

netineya [11]

Answer:

a)Ek=115759.26J

b)23.15kW

Explanation:

kinetic energy(Ek) is understood as that energy that has a body with mass when it travels with a certain speed, it is calculated by the following equation

$Ek=0.5mv^{2}$

for the first part

m=1200Kg

V=50km/h=13.89m/s

solving for Ek

$Ek=0.5(1200)(13.89)^2$

Ek=115759.26J

For the second part of the problem we calculate the kinetic energy, using the same formula, then in order to find the energy change we find the difference between the two, finally divide over time (15s) to find the power.

m=1200kg

V=100km/h=27.78m/s

$Ek=0.5(1200)(27.78)^2=462963J\\$

taking into account all of the above the following equation is inferred

ΔE= $\frac{Ek2-EK1}{T}=\frac{462963-115759.26}{15} =23146.916W=23.15kW$

3 0

3 years ago

Roman55 [17]

Answer:

D

Explanation:

6 0

3 years ago

Read 2 more answers

Which of the following statements about pitot-static systems is FALSE? a). A pitot probe measures the Total Pressure of the free

Pavlova-9 [17]

Answer:

C

Explanation:

Pitot tube:

Pitot tube is a device which is used to measure the velocity of flow by measuring pressure difference between the points.

As we know that stagnation pressure is the summation of dynamic and static pressure.

Stagnation pressure = Static pressure + Dynamic pressure

So

Dynamic pressure = Stagnation pressure - Static pressure

We know that dynamic pressure

$P_{dynamic}=\dfrac{\rho V^2}{2}$

On the other hand Pitot tube measure the dynamic pressure.

So option C is correct.

5 0

3 years ago

The equilibrium fraction of lattice sites that are vacant in silver (Ag) at 700°C is 2 × 10-6. Calculate the number of vacancies

True [87]

Answer:

$1.16*10^{23} vacancies/m^3$

Explanation:

Data given

temperature =700c

Density=10.35g/cm^3

but

$\frac{N_v}{N}=2*10^{-6}\\N_v=2*10^{-6}N\\$

Nv is the number of vacant site and N is the number of lattice site.

Since the number of lattice site can also b computed as

$N=\frac{p_{Ag} * N_A}{A_{AG}} \\N=\frac{6.022*10^{23} * 10.35*10^6g/m}{107.87g/mol} \\N=5.78*10^{28}atom/m^3$

if we substitute the value of the number of lattice into the first equation, we arrive at

$N_v=2*10^{-6} *5.78*10^28\\N_v=1.16*10^{23} vacancies/m^3$

4 0

4 years ago

luda_lava [24]

Answer:

u will need good car parts and a very well made engine

Explanation:

u need a good engine because if u only work on the outer layer of the car the inner parts will be slow and old and the car will have problems

5 0

3 years ago